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Chapter 2

1. What is the purpose of the TCP/IP Network Access layer?
- path determination and packet switching
- data representation, encoding and control
- reliability, flow control, and error detection
- detailing the components that make up the physical link and how to access it
- the division of segments into packets

2. Which characteristic correctly refers to end devices in a network?
- manage data flows
- originate data flow
- retime and retransmit data signals
- determine pathways for data

3. Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two)
- Network
- Transport
- Physical
- Data Link
- Session

4. What are the key functions of encapsulation? (Choose three)
- allows modification of the original data before transmission
- identifies pieces of data as part of the same communalization
- enables consistent network paths for communication
- ensures that data pieces can be directed to the correct receiving end device
- enables the reassembly of complete messages
- tracks delay between end devices

5. What is a PDU?
- corruption of a frame during transmission
- data reassembled at the destination
- retransmitted packets due to lost communication
- a layer specific encapsulation

6. What device is considered an intermediary device?
- file server
- IP phone
- laptop
- printer
- switch

7. What is a primary function of the trailer information added by the data link layer encapsulation?
- support error detection
- ensures ordered arrival of data
- provides delivery to correct destination
- identifies the devices on the local network
- assists intermediary devices with processing and path selection

8. Which three statements best describe a Local Area Network (LAN)? (Choose three)
- A LAN is usually in a single geographical area
- The network is administered by a single organisation
- The connection between segments in the LAN is usually throught a leased connection
- The security and access control of the network are controlled by a service provider
- A LAN provides network services and access to applications for users within a common organtisation
- Each and of the network is generally connected to a Telecommunation Service Provider (TSP)

9. What is the proper order of the layers of the OSI model from the highest layer to the lowest layer?
- physical, network, application, data link, presentation, session, transport
- application, physical, session, transport, network, data link, presentation
- application, presentation, physical, session, data link, transport, network
- application, presentation, session, transport, network, data link, physical
- presentation, data link, session, transport, network, physical, application

10. Select the statements that are correct concerning network protocols. (Choose three)
- define the structure of layer specific PDU's
- dictate how to accomplish layer functions
- outline the functions necessary for communications between layers
- limit hardware compatibility
- require later dependent encapsulations
- eliminate standardization among vedors

11. What can be identified by examining the network layer header?
- the destination device on the local media
- the path to use to reach the destination host
- the bits that will be transferred over the media
- the source application or process creating the data

12. Which layer encapsulates the segment into packets?
- physical
- data link
- network
- transport

13. Which statement correctly identify the role of intermediary devices in the network? (Choose three)
- determine pathways for data
- initiate data communications
- retime and retransmit data signals
- originate the flow of data
- manage data flows
- final termination point data flow

14. During the encapsulation process, what occurs at the data link layer?
- No address is added
- The logical address is added
- The physical address is added
- The process port number is added

15. What is the primary purpose of Layer 4 port assignment?
- to identify devices on the local media
- to identify the hops between source and destination
- to identify to the intermediary devices the best path through the network
- to identify the source and destination end devices that are communicating
- to identify the processes or services that are communicating within the end devices

16. What is the purpose of the TCP/IP Network Access Layer?

  1. Path determination and packet switching
  2. Data representation, encoding and control
  3. Reliability, flow control, and error detection
  4. Detaining the components that make up the physical link and how to access it
  5. The division of segments into packets

17.What is the proper order of the layers of the OSI model from the highest layer to the lowest layer?

  1. Physical, network, application, data link, presentation, session, transport
  2. Application, physical, session, transport, network, data link, presentation
  3. Application, presentation, physical, session, data link, transport, network
  4. Application, presentation, session, transport, network, data link, physical
  5. Presentation, data link, session, transport, network, physical, application

Chapter 3

  1. What application layer protocol is commonly used to support for file transfers between a client and a server?
    1. HTML
    2. HTTP
    3. FTP
    4. Telnet
  2. What are the two forms of application layer software? Choose 2
    1. Applications
    2. Dialogs
    3. Requests
    4. Services
    5. Syntax
  1. A network administrator is designing a network for a new branch office of twenty-five users.  What are the advantages of using client-server model? (choose 2)xz
    1. Centralized administration
    2. Does not require specialized software
    3. Security is easier to enforce
    4. Lower cost implementation
    5. Provides a single point of failure
  1. What is the purpose of resource records in DNS?
    1. Temporarily holds resolved entries
    2. Used by the server to resolve names
    3. Sent by the client to during a query
    4. Passes authentication information between the server and the client
  1. What is the automated service that matches resource names with the required IP address?
    1. HTTP
    2. SSH
    3. FQDN
    4. DNS
    5. Telnet
    6. SMTP
  1. What three protocols operate at the Application layer of the OSI model? (Choose three)
    1. ARP
    2. DNS
    3. PPP
    4. SMTP
    5. POP
    6. ICMP
  1. What are the three properties of peer-to peer applications? (Choose 3)
    1. Acts a s both a client and server within the same communication
    2. Requires centalized account administration
    3. Hybrid mode includes a centralized directory of files
    4. Can be used in client-server networks
    5. Requires a direct physical connection between devices
    6. Centralized authentication is required
  1. Which application layer protocols correctly match a corresponding function? (Choose 2)
    1. DNS dynamically allocates IP addresses to hosts
    2. HTTP transfers data from a web server to a client
    3. POP delivers email from the client to the server email server
    4. SMTP supports file sharing
    5. Telnet provides a virtual connection for remote access
  1. Which email components are used to forward mail between servers? (Choose two)
    1. MDA
    2. IMAP
    3. MTA
    4. POP
    5. SMTP
    6. MUA
  1. As compared to SSH, what is the primary disadvantage of Telnet?
    1. Not widely available
    2. Does not support encryption
    3. Consumes more network bandwidth
    4. Does not support authentication
  1. Which statements are correct concerning the role of the MTA in handling email? (Choose three)
    1. Routes email to the MDA on other servers
    2. Receives email from the cleint’s MUA
    3. Receives email via the POP3 protocol
    4. Passes email to the MDA for final delivery
    5. Uses SMTP to route email between servers
    6. Delivers email to clients via the POP3 protocol
  1. Which two protocols are used to control the transfer of web resources from a web server to a client browser? Choose 2
    1. ASP
    2. FTP
    3. HTML
    4. HTTP
    5. HTTPS
    6. IP
  1. A small home network has been installed to interconnect three computers together for gaming and file sharing.  What two properties represent this network type? (Choose 2)
    1. User accounts are centralized
    2. Security is difficult to enforce
    3. Specialized operating system software is required
    4. File permissions are controlled by a single computer
    5. A computer that responds to a file sharing requests is functioning as a server
  1. Which layer of the OSI MODEL supplies services that allow user to interface with the network?
    1. Physical
    2. Session
    3. Network
    4. Presentation
    5. Application
    6. Transport
  1. What is the destination port used by HTTP?
    1. 23
    2. 25
    3. 80
    4. 110
    5. 21
  1. What are the 2 characteristics of peer to peer network? Choose 2
    1. Scalable
    2. One way data flow
    3. Decentralized resources
    4. Centralized user accounts
    5. Resource sharing without a dedicated server

 

  1. What application layer protocol describes the services that are used for file sharing in Microsoft networks?
    1. DHCP
    2. DNS
    3. SMB
    4. SMTP
    5. Telnet
  1. What are the two characteristics of clients in data networks? Choose 2
    1. Use daemon
    2. Initiate data exchanges
    3. Are repositories of data
    4. May upload data to servers
    5. Listen for requests from servers
  1. What is the role of the OSI application layer?
    1. Provides segmentation of data
    2. Provides encryption and conversion of data
    3. Provides the interface between the applications on either end of the network
    4. Provides control of all the data flowing between the source and destination devices
  1. How does application layer on a server usually process multiple client request for services?
    1. Ceases all connections to the service
    2. Denies multiple connections to a single daemon
    3. Suspends the current connection to allow the new connection
    4. Uses support from lower layer functions to distinguish between connections to the service

Chapter 4

1. In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?
* destination network address
source network address
source MAC address
well known port destination address

2. What information is added during encapsulation at OSI Layer 3?
source and destination MAC
source and destination application protocol
source and destination port number
*source and destination IP address

3. In a connectionless system, which of the following is correct?
The destination is contacted before a packet is sent.
* The destination is not contacted before a packet is sent.
The destination sends an acknowledgement to the source that indicates the packet was received.
The destination sends an acknowledgement to the source that requests the next packet to be sent.

4. Which IP packet field will prevent endless loops?
type-of-service
identification
flags
* time-to-live
header checksum

5. Which portion of the network layer address does a router use to forward packets?
host portion
broadcast address
* network portion
gateway address


6. Refer to the exhibit. Using the network in the exhibit, what would be the default gateway address for host A in the 192.133.219.0 network?
192.135.250.1
192.31.7.1
192.133.219.0
* 192.133.219.1

7. If the default gateway is configured incorrectly on the host, what is the impact on communications?
The host is unable to communicate on the local network.
* The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
The host can communicate with other hosts on remote networks, but is unable to communicate with hosts on the local network.
There is no impact on communications.

8. What is the purpose of a default gateway?
physically connects a computer to a network
provides a permanent address to a computer
identifies the network to which a computer is connected
identifies the logical address of a networked computer and uniquely identifies it to the rest of the network
* identifies the device that allows local network computers to communicate with devices on other networks

9. What type of routing uses information that is manually entered into the routing table?
dynamic
interior
* static
standard

10. When the destination network is not listed in the routing table of a Cisco router, what are two possible actions that the router might take? (Choose two.)
* The router sends an ARP request to determine the required next hop address.
The router discards the packet.
The router forwards the packet toward the next hop indicated in the ARP table.
*The router forwards the packet to the interface indicated by the source address.
The router forwards the packet out the interface indicated by the default route entry.

11. What are the key factors to consider when grouping hosts into a common network? (Choose three.)
* gateways
purpose
physical addressing
software version
* geographic location
* ownership

12. What is a component of a routing table entry?
the MAC address of the interface of the router
the destination Layer 4 port number
the destination host address
*the next-hop address

13. Which intermediary devices could be used to implement security between networks? (Choose two.)
* router
hub
switch
* firewall
access point
bridge

14. What are three common problems with a large network? (Choose three.)
too few broadcasts
*performance degradation
* security issues
* limited management responsibility

host identification
protocol compatibilit

15. Refer to the exhibit. All devices shown in the exhibit have factory default settings. How many broadcast domains are represented in the topology that is shown?
3
* 4
5
7
8
11

 

16. Which three statements are true about routes and their use? (Choose three.)
If no route to the destination network is found, the packet is returned to the previous router.
If the destination network is directly connected, the router forwards the packet to the destination host.
* If multiple network entries exist for the destination network, the most general route is used to forward the packet.
* If no route exists for the destination network and a default route is present, the packet is forwarded to the next-hop router.
* If the originating host has a default gateway configured, the packet for a remote network can be forwarded using that route.

If a host does not have a route manually configured for the destination network, the host will drop the packet.

17. Refer to the exhibit. A network administrator is troubleshooting a connectivity problem and needs to determine the address that is used to forward network packets out the network. Using the netstat -r command, the administrator would identify which address as the address to which all hosts send packets that are destined for an outside network?
10.10.10.26
127.0.0.1
* 10.10.10.6
10.10.10.1
224.0.0.0

18. Refer to the exhibit. A network administrator notices that there are too many broadcasts on the network. What two steps can the network administrator take to resolve this problem? (Choose two.)
* Replace S2 with a router.
Place all servers on S1.
Disable TCP/IP broadcasts.
* Subnet the 192.168.0.0 /24 network.
Disable all unused interfaces on the switches.

19. Refer to the exhibit. The network in the exhibit is fully operational. What two statements correctly describe the routing for the topology that is shown? (Choose two.)
* 192.168.0.2 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 network to the 172.16.0.0 network.
10.0.0.1 is the next-hop address that is used by R1 to route a packet from the 192.168.12.0 network to the 10.0.0.0 network.
192.168.0.1 is the next-hop address that is used by R1 to route a packet from the 192.168.12.0 network to the 172.16.0.0 network.
172.16.0.1 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 to the 172.16.0.0 network.
* 192.168.0.1 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 network to the 192.168.12.0 network.
192.168.0.2 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 network to the 192.168.12.0 network.

20. What two characteristics are commonly associated with dynamic routing protocols? (Choose two.)
require no device configuration
* provide routers with up-to-date routing tables
require less processing power than static routes require
consume bandwidth to exchange route information
* prevent manual configuration and maintenance of the routing table

21. What statement describes the purpose of a default route?
A host uses a default route to transfer data to another host on the same network segment.
A host uses a default route to forward data to the local switch as the next hop to all destinations.
A host uses a default route to identify the Layer 2 address of an end device on the local network.
* A host uses a default route to transfer data to a host outside the local network when no other route to the destination exists.

Chapter 5

1. In an environment, what information is used by the router to forward data packets from one interface of a router to another?

a. Destination network address

b. source network address

c. source MAC address

d. well known port destination address

2. What information is added during encapsulation at OSI layer 3?

a. source and destination MAC

b. source and destination application protocol

c. source and destination port number

d. source and destination IP address

3. In a connectionless system, which of the following is correct?

a. The destination is contacted before a packet is sent.

b. The destination is not contacted before a packet is sent.

c. The destination sends an acknowledgement to the source that indicates the packet was received.

d. The destination sends an acknowledgment to the source that requests the next packet to be sent.

4. Which IP packet field will prevent loops?

a. type- of- service

b. identification

c. flags

d. time –to-live

e. header checksum

5. Which portion of the network layer address does a router use to forward packets?

a. host portion

b. broadcast address

c. network portion

d. gateway address

6. Refer to the exhibit. Using the network in the exhibit, what would be the default gateway address for Host A in the 192.133.219.0 network?

a.192.135.250.1

b. 192.31.7.1

c. 192.133.219.0

d. 192.133.219.1

7. If the default gateway is configured incorrectly on the host, what is the impact on communication?

a. The host is unable to communicate on the local network.

b. The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.

c. The host can communicate with other hosts on remote networks, but is unable to communicate with hosts on the local network.

d. There is no impact on communication.

8. What is the purpose of a default gateway?

a. physically connects a computer to a network

b. provides a permanent address to a computer

c. identifies the network to which a computer is connected

d. identifies the logical address of a networked computer and uniquely identifies it to the rest of the network.

e. identifies the device that allows local network computers to communicate with devices on other networks

9. What type of routing uses information that is manually entered into the routing table?

a. dynamic

b. interior

c. static

d. standard

10. When the destination network is not listed in the routing table of a Cisco router, what are the two possible actions that the router might take?

a. The router sends an ARP request to determine the required next hop address.

b. The router discards the packet.

c. The router forwards the packet toward the next hop in the ARP table.

d. The router forwards the packet to the interface by the source address.

e. The router forwards the packet out the interface indicated by the default route entry.

11. What are the key factors to consider when grouping hosts into a common network? (Choose three)

a. gateways

b. purpose

c. physical addressing

d. software version

e. geographic location

f. ownership

12. What is a component of a routing table entry?

a. the MAC address of the interface of the router

b. the destination Layer 4 port number

c. the destination host address

d. the next-hop address

13. Which intermediary devices could be used to implement security between networks? (Choose two)

a. router

b. hub

c. switch

d. firewall

e. access point

f. bridge

14. What are three common problems with a large network? (Choose three)

a. too few broadcasts

b. performance degradation

c. security issues

d. limited management responsibility

e. host identification

f. protocol compatibility

15. Refer to the exhibit. All devices shown in the exhibit have factory default settings. How many broadcast domains are represented in the topology that is shown?

a. 3

b. 4

c. 5

d. 7

e. 8

f. 11

16. Which three statements are true about routes and their use? (Choose three)

a. If no route to the destination network is found, the packet is returned to the previous router.

b. If the destination network is directly connected, the router forwards the packet to the destination host.

c. If multiple network entries exist for the destination network, the most general route is used to forward the packet.

d. If no route exists fro the destination network and a default route is present, the packet is forwarded to the next-hop router.

e. If the originating host has a default gateway configured, the packet for a remote network can be forwarded using that route.

f. If a host does not have a route manually configured for the destination network, the host will drop the packet.

17. Refer to the exhibit. A network administrator is troubleshooting a connectivity problem and needs to determine the address that is used to forward network. Using the netstat –r command, the administrator would identify which address as the address to which all hosts send packets that are destined for an outside network?

a. 10.10.10.26

b. 127.0.0.1

c. 10.10.10.6

d. 10.10.10.1

e. 224.0.0.0

18. Refer to the exhibit. A network administrator notices that there are too many broadcasts on the network. What two steps can the network administrator take to resolve this problem? (Choose two.)

a. Replace S2 with a router

b. Place all servers on S1.

c. Disable TCP/IP broadcasts.

d. Subnet the 192.168.0.0/24 network.

f. Disable all unused interfaces on the switches.

19. Refer to the exhibit. The network in the exhibit is fully operational. What two statements correctly describe the routing for the topology that is shown? (Choose two.)

a. 192.168.0.2 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 from network to the 172.16.0.0 network.

b. 10.0.0.1 is the next-hop address that is used by R1 to route a packet from the 192.168.12.0 from network to the 10.0.0.0 network.

c. 192.168.0.1 is the next-hop address that is used by R1 to route a packet from the 192.168.12.0 from network to the 172.16.0.0 network.

d. 172.16.0.1 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 from network to the 172.16.0.0 network.

e. 192.168.0.1 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 from network to the 192.168.12.0 network.

f. . 192.168.0.2 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 from network to the 192.168.12.0 network.

20. What two characteristics are commonly associated with dynamic routing protocols? (Choose two.)

a. require no device configuration

b. provide routers with up-to-date routing tables.

c. require less processing power than static require

d. consume bandwidth to exchange route information

f. prevent manual configuration and maintenance of the routing table.

21. What statement describes the purpose of a default route?

a. A host uses a default route to transfer data to another host on the same network segment.

b. A host uses a default route forward data to the local switch as the next hop to all destinations.

c. A host uses a default route to identify the layer 2 address of an end device on the local network.

d. A host uses a default route to transfer data to a host outside the local network when no other route to the destination exists.

 

Chapter 6

**1. Refer to the exhibit. Which network prefix will work with the IP addressing scheme shown in the graphic.
a. /24
b. /16
c. /20
d. /27
e. /25
f. /28
 
2. Which IPv4 subnetted addresses represent valid host addresses? (Choose three.)
a. 172.16.4.127 /26
b. 172.16.4.155 /26
c. 172.16.4.193 /26
d. 172.16.4.95 /27
e. 172.16.4.159 /27
f. 172.16.4.207 /27

3. Which statements are true regarding IP addressing? (Choose two.)
 
4. Which process do routers use to determine the subnet network address based upon a given IP address and subnet mask?
a. Binary adding
b. Hexadecimal anding
c. Binary division
d. Binary multiplication
e. Binary ANDing
 
**5. Refer to the exhibit. Host A is connected to the LAN, but it cannot get access to any resource on the Internet. The configuration of the host is shown in the exhibit. What could be the cause of the problem.
a. The host subnet mask is incorrect.
b. The default gateway is a network.
c. The default gateway is a network address.
d. The default gateway is a broadcast address.
e. The default gateway is on a different subnet from the host.
 
6.  What subnet mask would a network administrator assign to a network address of 172.30.1.0 if it were possible to have up to 254 hosts?
a.   255.255.0.0
b.   255.255.255.0
c.   255.255.254.0
d.  255.255.248.0
 
7. Which three IP addresses are private? (Choose three.)
a. 172.168.33.1
b. 10.35.66.70
c. 192.168.99.5
d. 172.18.88.90
e. 192.33.55.89
f. 172.35.16.5
 
8. Given the IP address and subnet mask of 172.16.134.64.255.255.255.224, which of the following would describe this address?
a. This is a useable host address.
b. This is a broadcast address.
c. This is a network address.
d. This is not a valid address.
 
9. A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong?
a. 172.16.0.0
b. 172.16.192.0
c. 172.16.192.128
d. 172.16.192.160
e. 172.16.192.168
f. 172.16.192.176
 
**10. Refer to the exhibit. The network administrator has assigned the internetwork . of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 mask. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the workgroup server’s properties to allow connectivity to the network. 
a. IP address: 192.168.10.38 subnet mask: 255.255.255.240 default gateway:192.168.10.39
b. IP address:  192.168.10.38 subnet mask: 255.255.255.240 default gateway:192.168.10.33
c. IP address: 192.168.10.38 subnet  mask 255.255.255.248 default gateway:192.168.10.33
d. IP address: 192.168.10.39 subnet mask: 255.255.255.248 default gateway: 192.168.10.31
e. IP address: 192.168.10.254 subnet mask:255.255.255.0 default gateway: 192.168.10.0
 
11. Which of the following network devices are recommended to be assigned static IP addresses? (Choose two.)
a. LAN workstations
b. Servers
c. Network printers
d. Routers
e. Remote workstations
f. Laptops 
 
12. Which of the following are features of IPv6? (Choose three.)
a. Larger address space
b. Faster routing protocols
c. Data types and classes of service
d. Authentication and encryption
e. Improved host naming conventions
f. Same addressing scheme as IPv4
 
13. What is the primary reason for development of IPv6?
a. Security
b. Header format simplification
c. Expanded addressing capabilities
d. Addressing simplification
 
14. What two things will happen if a router receives an ICMP packet which has a TTL value of 1 and the destination host is several hops away? (Choose two.)
a. The router will discard
b. The router will decrement the TTL value and forward the packet to the next router on the path to the destination host.
c. The router will send a time exceeded message to the source host.
d. The router will increment the TTL value and forward the packet to the next router on the path to the destination host.
e. The router will send an ICMP Redirect Message to the source host.
 
**15. Refer to the exhibit. Why would the response shown be displayed after issuing the command ping 127.0.0.1 on a PC?
a. The IP settings are not properly configured on the host.
b. Internet Protocol is not properly installed on the host.
c. There is a problem at the physical or data link layer.
d. The default gateway device is not operating.
e. A router on the path to the destination host has gone down.
 
16. How many bits make up an IPv4 address?
a. 128
b. 64
c. 48
d. 32
 
**17. Refer to the exhibit. A network administrator discovers that host A is having trouble with Internet connectivity, but the server farm has full connectivity. In addition, host A has full connectivity to the server farm. What is a possible cause of this problem?
a. The router has an incorrect gateway
b. Host A has an overlapping network address.
c. Host A has an overlapping network address.
d. Host A has an incorrect default gateway configured.
e. Host A has an incorrect subnet mask.
f. NAT is required for the host A network.
 
18. What three facts are true about the network portion of an IPv4 address? (Choose three.)
a. Identifies an individual device
b. Is identical for all hosts in a broadcasts domain
c. Is altered as packet is forwarded
d. Varies in length
e. Is used to forward packets
f. Uses flat addressing
 
19. What is a group of hosts called that have identical bit patterns in the high order bits of their addresses?
a. An internet
b. A network
c. An octet
d. A radix
  20. What is the network address of the host 172.25.67.99 /23 in binary?
a. 10101100.00011001.01000011.00000000
b. 10101100.00011001.01000011.11111111
c. 10101100.00011001.01000010.00000000
d. 10101100.00011001.01000010.01100011
e. 10101100.00010001.01000011.01100010
f. 10101100.00011001.00000000.00000000
  **21. Refer to the exhibit. A network administrator has to develop an IP addressing scheme that uses the 192.168.1.0 /24 address apace. The network that contains the serial link has already been addressed out of a separate range. Each network will be allocated the same number of host addresses. Which network mask will be appropriate to address the remaining networks. 
a. 255.255.255.248
b. 255.255.255.224
c. 255.255.255.192
d. 255.255.255.240
e. 255.255.255.128
f. 255.255.255.252

Chapter 7

  1. Which 3 factors should be considered when implementing a layer 2 protocol in a network? Choose 3
  1. the layer 3 protocol selected
  2. the geographic scope of the network
  3. the PDU defined by the transport layer
  4. the physical layer implementation
  5. the number of hosts to be interconnected
  1. assuming that the network in the exhibit is converged meaning the routing tables and ARP tables are complete, which MAC address will host A place in the destination address field of Ethernet frames destined for www.server?
  1. 00-1c-41-ab-c0-00
  2. 00.0c.85.cf.65.c0
  3. 00-0c-85-cf-65-c1
  4. 00-12-3f-32-05-af
  1. Which options are properties of contention based media access for a shared media? Choose 3
  1. non deterministic
  2. less overhead
  3. one station transmit at a time
  4. collisions exist
  5. devices must wait their turn
  6. devices must wait their turn
  1. What is true concerning physical and logical topologies?
  1. the logical topology is always the same as physical topology
  2. physical topologies are concerned with how a network transfers frames
  3. Physical signal paths are defined by data link layer protocols.
  4. Logical topologies consist of virtual connections between nodes
  1. What determines the method of media access control? Choose 2
  1. network layer addressing
  2. media sharing
  3. application processes
  4. logical topology
  5. intermediary device functions
  1. What is true regarding media access control? Choose 3
  1. Ethernet utilizes CSMA/CD
  2. Defined as placement of data frames on the media
  3. Contention-based access is also known as deterministic
  4. 802.11 utilizes CSMA/CD
  5. Data link layer protocols define the rules for access to different media
  6. Controlled access contains data collisions.
  1. Which statements describe the logical token-passing topology? Choose 2
  1. network usage is on a first come, first serve basis
  2. computers are allowed to transmit data only when they possess a token
  3. Data from a host is received by all other hosts.
  4. Electronic tokens are passed sequentially to each other.
  5. Token passing networks have problems with high collision rates.
  1. A network administrator has been asked to provide a graphic representation of exactly where the company network wiring and equipment are located in the building. What is this type of drawing?
  1. logical topology
  2. physical topology
  3. cable path
  4. wiring grid
  5. access topology
  1. What is the purpose of the preamble in a Ethernet frame?
  1. is used a pad for data
  2. identifies the source address
  3. identifies the destination address
  4. marks the end of timing information
  5. is used for timing synchronization with alternating patterns of ones and zeros
  1. What statements are true regarding addresses found at each layer of the OSI model? Choose 2
  1. layer 2 may identify devices by a physical address burned into the network card
  2. layer 2 identifies the applications that are communicating
  3. layer 3 represents a hierarchal addressing scheme
  4. layer 4 directs communication to the proper destination network
  5. layer 4 addresses are used by intermediary devices to forward data
  1. Which statement describes the media access control methods that are used by the networks in the exhibit?
  1. all 3 networks use CSMA/CA
  2. none of the networks require media access control
  3. network 1 uses CSMA/CD and network 3 uses CSMA/CA
  4. network 1 uses CSMA/CD and network 2 uses CSMA/CA
  5. network 2 uses CSMA/CD and network 3 uses CSMA/CA
  1. Refer to the exhibit. How many unique CRC calculations will take place as traffic routes from the PC to the laptop?
  1. 1
  1. 2
  2. 4
  3. 8
  1. A frame is being sent from the PC to the laptop. Which source MAC and IP add be included in the frame as it leaves router B? choose 2
  1. source MAC-PC
  2. source MAC-S010 on Router A
  3. source MAC –Fa01 on router B
  4. source IP-PC
  5. source IP s010 on route A
  6. source IP – Fa01 of router B
  1. Which sub layer of the data link layer prepares a signal to be transmitted at the physical layer?
  1. LLC
  2. MAC
  3. HDLC
  4. NIC
  1. What two facts are true when a device is moved from one network or subnet to another? Choose 2
  1. the layer 2 address must be reassigned
  2. the default gateway address should not be changed
  3. the device will still operate at the same layer 2 address
  4. applications and services will need additional port #s assigned
  5. the layer 3 address must be reassigned to allow communications to the new network
  1. What is the function of the data link layer?
  1. provides the formatting of data
  2. provides end to end delivery of data between hosts
  3. provides delivery of data between two applications
  4. provides for the exchange data over a common local media
  1. What is a characteristic of a logical point to point topology?
  1. the nodes are physical connected
  2. the physical arrangement of the nodes is restricted
  3. the media access control can be very simple
  4. the data link layer protocol used over the link require a large frame header
  1. What is a primary purpose of encapsulating packets into frames?
  1. provides routes across the internet work
  2. format data for presentation to the user
  3. facilitate the entry and exit of data on media
  4. identify the services to which transported data is associated
  1. What is the primary purpose of the trailer in a data link layer frame?
  1. define the logical topology
  1. provide media access control
  2. support frame error detection
  3. carry routing information for the frame
  1. What are the 3 characteristics of valid Ethernet layer 2 addresses? Choose 3
  1. they are 48 binary bits in length
  2. they are considered physical addresses
  3. they are generally represented in hexadecimal format
  4. they consist of four eight-bit octets of binary numbers
  5. they are used to determine the data path through the network
  6. They must be changed when an Ethernet device is added or moved with in the network.

 

Chapter 8

1. Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below.

      a. 85

      b. 90

      c. BA

      d. A1

      e. B3

      f. 1C

2. Which of the following describe interframe spacing? Choose 2

      a. the minimum interval, measured in bit-times, that any station must wait before sending another frame

      b. the maximum interval, measured in bit-times, that any station must wait before sending another frame

      c. the 96-bit payload padding inserted into a frame to achieve a legal frame size

      d. the 96-bit frame padding transmitted between frames to achieve proper synchronization

      e. the time allowed for slow stations to process a frame and prepare for the next frame

      f. the maximum interval within which a station must send another frame to avoid being considered unreachable

3. When a collision occurs in a network using CSMA/CD, hose do hosts with data to transmit respond after the backoff period expired.

      a. the hosts return to a listen-before transmit mode.

      b. the hosts creating the collision have priority to send data.

      c. the hosts creating the collision retransmit the last 16 frames

      d. The hosts extend their delay period to allow for rapid transmission

4. After an Ethernet collision, when the backoff algorithm is invoked which device has priority to transmit data

      a. the device involved in the collision with the lowest MAC address

      b. the device involved in the collision with the lowest IP address

      c. any device in the collision domain whose backoff timer expires first.

      d. those that began transmitting at the same time

5. Which of the following is a drawback of the CSMA/CD access method?

      a. Collisions can decrease network performance

      b. It is more complex that non-deterministic protocols

      c. Deterministic media access protocols slow network performance.

      d. CSMA/CD LAN technologies are only available at slower speeds that other LAN technologies

6. Refer to the exhibit. The switch and workstation are administratively configured for full-duplex operation. Which statement reflects the operation of this link?

      a. No collisions will occur on this link

      b. Only one of the devices can transmit at a time

      c. The switch will have priority for transmitting data.

      d. The devices will default back to half-duplex if excessive collisions occur.

7. Why do hosts on an Ethernet segment that experience a collision uses a random delay before attempting to transmit a frame?

      a. A random delay is used to ensure a collision-free link

      b. A random delay value for each device is assigned by the manufacturer

      c. A standard delay value could not be agreed upon among networking device vendors

      d. A random delay helps prevent the stations from experiencing another collision during the transmission

8. In the graphic, Host A has reached 50% completion in sending a 1KB Ethernet frame to Host D when Host B wishes to send own frame to Host C. What must Host B do?

      a. Host B can transmit immediately since it is connected on its own cable segment

      b. Host B must wait to receive a CSMA transmission from the hub, to signal its turn

      c. Host B must send a request signal to Host A by transmitting an interframe gap.

      d. Host B must wait until it is certain that Host A has completed sending its frame.

9. Ethernet operates at which layers of the OSI model? Choose 2

      a. Network Layer

      b. Transport Layer

      c. Physical Layer

      d. Application Layer

      e. Session Layer

      f. Data-link layer

10. What does the IEEE 802.2 standard represent in Ethernet technologies?

      a. MAC sublayer

      b. Physical layer

      c. Logical Link Control sublayer

      d. Network layer

11. Which statements correctly describe MAC addresses? Choose 3

      a. dynamically assigned

      b. copied RAM during system startup

      c. layer 3 address

      d. contains a 3 byte OUI

      e. 6 bytes long

      f. 32 bits long

12. Refer to the exhibit. Host A is attempting to contact Server B. Which statements correctly describe the addressing host generates in the process? Choose 2

      a. A packet with the destination IP of Router B

      b. A frame with the destination MAC address of Switch A

      c. A packet with the destination IP of Router A

      d. A frame with the destination MAC address of Router A

      e. A packet with the destination of IP of Server B

      f. A frame with the destination MAC address of Server B

13. Host A has an UP address of 172.16.255.93 and a mask of 255.255.248.0. Host A needs to communicate with a new host 172.16.231.78. Host A performs ANDing operation on the destination address. What two things will occur? Choose 2

      a. Host A will change the destination IP to the IP of the nearest router and forward the packets

      b. Host A will broadcast an ARP request for the MAC of its default gateway

      c. A result of 172.16.225.0 will be obtained.

      d. Host A will broadcast an ARP request for the MAC of the destination host.

      e. A result of 172.16.224.0 will be obtained.

      f. A result of 172.16.225.255 will be obtained

14. Which two features make switches preferable to hubs in Ethernet-based networks? Choose 2

      a. reduction in cross-talk

      b. minimizing of collisions

      c. support of UTP cabling

      d. division into broadcast domains

      e. increase in the throughput of communications

15. Ethernet operates at which layer of the TCP/IP network model?

      a. application

      b. physical

      c. transport

      d. internet

      e. data link

      f. network access

16. What are three functions of the upper data link sub layer in the OSI model? Choose 3

      a. recognizes streams of bits

      b. identifies the network layer protocol

      c. makes the connection with the upper layers

      d. identifies the source and destination applications

      e. insulates network layer protocols from changes in physical equipment

      f. determines the source of a transmission when multiple devices are transmitting

17. What three primary functions does data link layer encapsulation provide? Choose 3

      a. addressing

      b. error detection

      c. frame delimiting

      d. port identification

      e. path determination

      f. IP addressing resolution

18. What are the two most commonly used media types in Ethernet networks today? Choose 2

      a. coaxial thicknet

      b. copper UTP

      c. coaxial thinnet

      d. optical fiber

      e. shielded twisted pair

19. Refer to the exhibit. Which option correctly matches the frame field type with the contents that frame field includes?

      a. header field – preamble and stop frame

      b. data field – network layer packet

      c. data field – physical addressing

      d. trailer field – FCS and SoF

20. What is the primary purpose of ARP?

      a. translate URL’s to IP addresses

      b. resolve IPV4 addresses to MAC addresses

      c. provide dynamic IP configuration to network devices

      d. convert internal private addresses to external public addresses.

Chapter 9

1. In the graphic, Host A has reached 50% completion in sending a 1 KB Ethernet frame to Host D when Host B wishes to transmit its own frame to Host C. What must Host B do?

  1. Host B can transmit immediately since it is connected on its own cable segment.
  2. Host B must wait to receive a CSMA transmission from the hub, to signal its turn.
  3. Host B must send a request signal to Host A by transmitting an interframe gap.
  4. **Host B must wait until it is certain that Host A has completed sending its frame.

 

2 Ethernet operates at which layers of the OSI model? (Choose two.)

  1. Network layer
  2. Transport layer
  3. **Physical layer
  4. Application layer
  5. Session layer
  6. **Data-link layer

 

3 Which of the following describe interframe spacing? (Choose two.)

  1. **the minimum interval, measured in bit-times, that any station must wait before sending another frame
  2. the maximum interval, measured in bit-times, that any station must wait before sending another frame
  3. the 96-bit payload padding inserted into a frame to achieve a legal frame size
  4. the 96-bit frame padding transmitted between frames to achieve proper synchronization
  5. **the time allowed for slow stations to process a frame and prepare for the next frame
  6. the maximum interval within which a station must send another frame to avoid being considered unreachable

 

4 What three primary functions does data link layer encapsulation provide? (Choose three.)

  1. **addressing
  2. **error detection
  3. **frame delimiting
  4. port identification
  5. path determination
  6. IP address resolution

 

 

5 When a collision occurs in a network using CSMA/CD, how do hosts with data to transmit respond after the backoff period has expired?

  1. **The hosts return to a listen-before-transmit mode. <---
  2. The hosts creating the collision have priority to send data.
  3. The hosts creating the collision retransmit the last 16 frames.
  4. The hosts extend their delay period to allow for rapid transmission.

 

 

6 What are three functions of the upper data link sublayer in the OSI model? (Choose three.)

  1. recognizes streams of bits
  2. **identifies the network layer protocol
  3. **makes the connection with the upper layers
  4. identifies the source and destination applications
  5. **insulates network layer protocols from changes in physical equipment
  6. determines the source of a transmission when multiple devices are transmitting

 

 

7 What does the IEEE 802.2 standard represent in Ethernet technologies?

  1. MAC sublayer
  2. Physical layer
  3. **Logical Link Control sublayer
  4. Network layer

 

 

8 Why do hosts on an Ethernet segment that experience a collision use a random delay before attempting to transmit a frame?

  1. A random delay is used to ensure a collision-free link.
  2. A random delay value for each device is assigned by the manufacturer.
  3. A standard delay value could not be agreed upon among networking device vendors.
  4. **A random delay helps prevent the stations from experiencing another collision during the transmission.

 

9. Refer to the exhibit. Which option correctly matches the frame field type with the contents that frame field includes?

  1. **header field - preamble and stop frame
  2. data field - network layer packet
  3. data field - physical addressing
  4. trailer field - FCS and SoF

 

 

10 Host A has an IP address of 172.16.225.93 and a mask of 255.255.248.0. Host A needs to communicate with a new host whose IP is 172.16.231.78. Host A performs the ANDing operation on the destination address. What two things will occur? (Choose two.)

  1. Host A will change the destination IP to the IP of the nearest router and forward the packet.
  2. Host A will broadcast an ARP request for the MAC of its default gateway.
  3. A result of 172.16.225.0 will be obtained.
  4. **Host A will broadcast an ARP request for the MAC of the destination host.
  5. A result of 172.16.224.0 will be obtained.
  6. **A result of 172.16.225.255 will be obtained.

 

11 Which of the following is a drawback of the CSMA/CD access method?

  1. **Collisions can decrease network performance.
  2. It is more complex than non-deterministic protocols.
  3. Deterministic media access protocols slow network performance.
  4. CSMA/CD LAN technologies are only available at slower speeds than other LAN technologies.

 

12 Ethernet operates at which layer of the TCP/IP network model?

  1. application
  2. physical
  3. transport
  4. internet
  5. data link
  6. **network access

 

13 What is the primary purpose of ARP?

  1. translate URLs to IP addresses
  2. **resolve IPv4 addresses to MAC addresses
  3. provide dynamic IP configuration to network devices
  4. convert internal private addresses to external public addresses

 

 

14. Refer to the exhibit. The switch and workstation are administratively configured for full-duplex operation. Which statement accurately reflects the operation of this link?

  1. **No collisions will occur on this link.
  2. Only one of the devices can transmit at a time.
  3. The switch will have priority for transmitting data.
  4. The devices will default back to half duplex if excessive collisions occur.

 

15. Refer to the exhibit. Host_A is attempting to contact Server_B. Which statements correctly describe the addressing Host_A will generate in the process? (Choose two.)

  1. A packet with the destination IP of Router_B.
  2. A frame with the destination MAC address of Switch_A.
  3. A packet with the destination IP of Router_A.
  4. **A frame with the destination MAC address of Router_A.
  5. **A packet with the destination IP of Server_B.
  6. A frame with the destination MAC address of Server_B.

 

16 Which statements correctly describe MAC addresses? (Choose three.)

  1. dynamically assigned
  2. **copied into RAM during system startup
  3. layer 3 address
  4. **contains a 3 byte OUI
  5. **6 bytes long
  6. 32 bits long

 

17 Which two features make switches preferable to hubs in Ethernet-based networks? (Choose two.)

  1. reduction in cross-talk
  2. **minimizing of collisions
  3. support for UTP cabling
  4. **division into broadcast domains
  5. increase in the throughput of communications

 

18 What are the two most commonly used media types in Ethernet networks today? (Choose two.)

  1. **coaxial thicknet
  2. copper UTP
  3. coaxial thinnet
  4. optical fiber
  5. **shielded twisted pair

 

19 Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below.

  1. 85
  2. 90
  3. **BA
  4. A1
  5. B3
  6. 1C

 

20 After an Ethernet collision, when the backoff algorithm is invoked, which device has priority to transmit data?

  1. the device involved in the collision with the lowest MAC address
  2. the device involved in the collision with the lowest IP address
  3. **any device in the collision domain whose backoff timer expires first
  4. those that began transmitting at the same time

 

Chapter 10

1. Refer to the exhibit. A student working in the lab selects a cable that is wired as shown. Which connection types can successfully be made with this cable? (Choose two.)

  1. Connecting a PC to a router’s console port
  2. Connecting two routers together via their fast Ethernet ports
  3. Connecting two switches together at Gigabits speeds
  4. Connecting two devices with the same interface type at Fast Ethernet speeds

 

2. Which option identifies the primary interface which would be used for initial configuration of a Cisco router?

  1. AUX interface
  2. Ethernet interface
  3. Serial interface
  4. Console interface

 

3. What makes fiber preferable to copper cabling for interconnecting buildings? (Choose three.)

  1. Greater distances per cable run
  2. Lower installation cost
  3. Limited susceptibility to EMI/RFI
  4. Durable connections
  5. Greater bandwidth potential
  6. Easily terminated

 

4. A network administrator is required to use media in the network that can run up to 100 meters in cable length without using repeaters. The chosen media must be inexpensive and easily installed. The installation will be in a pre-existing building with limited cabling space. Which type of media would meet these requirements?

  1. STP
  2. UTP
  3. Coaxial
  4. Single-mode fiber
  5. Multimode fiber

 

5. What does the term “attenuation” mean in data communication?

  1. Loss of signal strength as distance increases
  2. Time for a signal to reach its destination
  3. Leakage of signals from one cable pair to another
  4. Strengthening of a signal by a networking device

 

6. How many host addresses may be assigned on each subnetwork when using the 13.68.0.0 network address with a subnet mask of 255.255.248.0?

  1. 30
  2. 256
  3. 2046
  4. 2048
  5. 4094
  6. 4096

 

7. Which subnet mask would be assigned to the network address of 192.168.32.0 to provide 254 useable host addresses per subnetwork?

  1. 255.255.2.0
  2. 255.255.255.0
  3. 255.255.254.0
  4. 255.255.248.0

 

8. A company is planning to subnet its network for a maximum of 27 hosts. Which subnet mask would provide the needed hosts and leave the fewest unused addresses in each subnet?

  1. 255.255.255.0
  2. 255.255.255.192
  3. 255.255.255.224
  4. 255.255.255.240
  5. 255.255.255.248

 

9. What type of network cable is used between a terminal and a console port?

  1. Cross-over
  2. Straight-through
  3. Rollover
  4. Patch cable

 

10. Which device is used to create or divide broadcast domains?

  1. Hubs
  2. Switch
  3. Bridge
  4. Router
  5. Repeater

 

11. Refer to the exhibit. What destination IP address will PC1 place in the header for a packet destined for PC2?

  1. 192.168.1.1
  2. 192.168.2.1
  3. 192.168.2.2
  4. 192.168.3.1
  5. 192.168.3.54

 

  1. Refer to the exhibit. Based on the IP configuration shown, what would be the result of Host A and Host B attempting to communicate outside the network segment?
  2.  
  1. Both host A and B would be successful
  2. Host  A would be successful,  host B would fail
  3. Host B would be successful, host A would fail
  4. Both Host A and B would fail

 

13. Which tree types of connectors are commonly associated with Cisco’s V.35 serial cables? (Choose three.)

  1. RJ 11
  2. DB 60
  3. Winchester 15 pin
  4. DB 9
  5. Smart serial
  6. RJ 45

 

14. Refer to the exhibit. How many subnets are required to support the network that is shown?

  1. 2
  2. 3
  3. 4
  4. 5

 

15. What are three common methods for setting a UTP Ethernet port to MDI or MDIX operation? (Choose three.)

  1. Direct configuration of the device
  2. Cable color code association
  3. Cable selection and configuration
  4. Use of cable testers to determine pinouts
  5. The enabling of the mechanism to electrically swap the transmit and receive pairs
  6. The automatic detection and negotiating of MDI/MDIX operation of the port

 

16. Refer to the exhibit. A student is setting up a home network primarily used for extensive file transfers, streaming video, and gaming. Which network device is best suited to these types of activities in the topology shown?

  1. Wireless access point
  2. Router
  3. Hub
  4. Switch

 

17. Which three statements are true about the role of routers in the network? (Choose three.)

  1. They propagate broadcasts.
  2. They enlarge collision domains.
  3. They segment broadcasts domains.
  4. They interconnected different network technologies.
  5. Each router interface requires a separate network or subnet.
  6. They maintain a common frame format between LAN and WAN interfaces.

 

18. Refer to the exhibit. A network administrator has decided to use packet capture software to evaluate all traffic from the student subnet on the way to the Internet. To ensure that all packets are captured, what network device should be used to connect the monitoring station to the network between R1 and R2?

  1. Router
  2. Hub
  3. Switch
  4. Wireless access point

 

19. Refer to the exhibit. Assume that all devices are using default settings. How many subnets are required to address the topology that is shown?

  1. 1
  2. 3
  3. 4
  4. 5
  5. 7

 

20. Refer to the exhibit. Which three statements are true about the exhibited topology? (Choose three.)

  1. Hosts B and C are in the same subnet.
  2. Five broadcast domains are present.
  3. Host B is using a crossover cable to connect to the other router.
  4. Four broadcast domains are present.
  5. Five networks are shown.
  6. Host B is using a rollover cable to connect to the router.

 

21. To establish a console connection from a computer to a Cisco router, which cable wiring option would be used?

  1. Crossover cable
  2. Straight through cable
  3. Rollover cable
  4. V.35 cable

 

22. Refer to the exhibit. Which three statements identify the type of cabling that would be used in the segments that are shown? (Choose three.)

  1. Segment 1 uses backbone cabling.
  2. Segment 1 uses a patch cable.
  3. Segment 3 uses  patch cabling
  4. Segment 3 uses horizontal cabling.
  5. Segment 4 uses vertical cabling.

 

23. Refer to the exhibit. A network technician has been allocated the 192.168.1.0/24 private IP address range for use in the network that shown in the exhibit. Which subnet mask would be used to meet the host requirements for segment A of this internetwork?

  1. 255.255.255.128
  2. 255.255.255.192
  3. 255.255.255.224
  4. 255.255.255.240
  5. 255.255.255.248

 

Chapter 11

CHAPTER 11

1. Immediately after a router completes its boot sequence, the network administrator wants to check the routers configuration. From privileged EXEC mode, which of the following commands can the administrator use for this purpose? (Choose two.)

2. Users in the network are experiencing slow response time when doing file transfers to a remote server. What command could be issued to determine if the router has experienced any input or output errors?

3. Refer to the exhibit. A technician applies the configuration in the exhibit to a clean router. To verify the configuration, the technician issues from the show running config command in the CLI session with the router. What lines should the technician expect to see in the router output from the show running config command?

      Line console 0
      Password ccna

      Enable password class
      Line console 0
      Password ccna

      Enable password class
      Line console 0
      Password ccna

      Enable password 7 14141E0A1F17
      Line console 0
      Password 7 020507550A

      Enable password 7 14141E0A1F17
      Line console 0
      Password 7 020507550A

4.  Refer to the exhibit. A network administrator on HostA has problems accessing the FTP server. Layer three connectivity testing was successful from HostA to the S1 interface of RouterB. Which set of commands will allow the network administrator to telnet to RouterB and run the debug commands?

      RouterB(config)# line vty 0 4
      Routerb(config-if)# login

      RouterB(config)# line vty 0 2
      RouterB(config-vty)# password cisco
      RouterB(config-vty)# login

      RouterB(config)# line vty 0
      RouterB(config-line)# password cisco
      RouterB(config-line)# login

      RouterB(config)# line aux 0
      RouterB(config-line)# password cisco
      RouterB(config-line)# login

      RouterB(config)# line aux 0
     RouterB(config-vty)# password cisco
     RouterB(config-vty)# login

 

5. The connection between routers B and C has been successfully tested. However, after rebooting router C, the administrator noticed the response time between networks 10.10.3.0 and 10.10.4.0 is slower. Ping between the two routers is successful. A trace route indicates three hops from router B to router C. What else can be done to troubleshoot the problem?

  1. Ping router B S0/1 connection from router C.
  2. Trace the connection between router B to router C S0/1.
  3. Issue a show ip route command in router B to verify routing is enabled.
  4. Issue a show ip interface brief command on router C.

 

6. What command is used to change the default router name to Fontana?

  1. Router# name Fontana
  2. Router# hostname Fontana
  3. Router(config)# name Fontana
  4. Router(config)# hostname Fontana

 

 

7. The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site? (Choose three.)

 

8. Refer to the exhibit. The output is shown for the show ip route command executed on Router A. What does the IP address 192.168.2.2 represent?

9. Refer to the exhibit. What additional command is required to allow remote access to this switch?

10. In a Cisco device, where id the IOS file stored prior to system startup?

11. When network services fail, which port is most often used to access a router for management purposes?

12. A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a router to manage it. Which access method should be chosen?

13. In a Cisco router, when do changes made to the running-configuration take effect?

14.Refer to the exhibit. Which names correctly identify the CLI mode represented by the prompt for Switch-East4#/ (Choose two.)

15. Which three terms correctly define the forms of help available within the Cisco IOS? (Choose three.)

16. Which combination of keys would be used at the CLI prompt to interrupt a ping or traceroute process?

17. Refer to the exhibit. What command will place the router into the correct mode to configure an appropriate interface to connect to a LAN?

19. Refer to the exhibit. A student is responsible for the IP addressing, configuration and connectivity testing of the network shown in the graphic. A ping host B to host C results in a destination unreachable but a ping from host B to host A was successful. What two reasons could account for this failure based on the graphic and partial router output for the Dallas router? (Choose two.)