Data Communications and Networking 2

 Data Communications and  Networking 2
(MidQuiz-1,Quiz-2&Midterm Exam)



Question 1

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"Router On Stick" is a method used for communicating inter-vlan using a router.
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Question 2

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Which three elements must be used when you configure a router interface for VLAN trunking?
1. one physical interface for each subinterface
2. one IP network or subnetwork for each subinterface
3. a management domain for each subinterface
4. subinterface encapsulation identifiers that match VLAN tags
5. one subinterface per VLAN
6. subinterface numbering that matches VLAN tags
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Question 3

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Refer to the exhibit. Which statement are true about interVLAN routing in the topology that is shown in the exhibit?

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Question 4

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A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?
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Question 5

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Which are the 2 trunking protocols?
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Question 6

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Which two link protocols are used to carry multiple VLANs over a single link?
1. VTP
2. 802.1q
3. IGP
4. ISL
5. 802.3u
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Question 7

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Which two link protocols are used to carry multiple VLANs over a single link?
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Question 8

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Refer to the exhibit below. Which two statements about the configuration of the switch interface are correct?

 

SwitchA(config)#interface fa0/0

SwitchA(config-if)#switchport access vlan 2

 

  1. The switchport belongs only to VLAN 2.
  2. By default, all switch ports are members of VLAN 1005.
  3. Interface fa0/0 will be in both VLAN 1 (by default) and VLAN 2.
  4. The exhibit shows interface fa0/0 to be dynamically mapped to VLAN 2.
  5. A network host can be connected to this interface.
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Question 9

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Which protocolis used to configure trunking on a switch?
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Question 10

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Refer to the exhibit. The user at Workstation B reports that Server A cannot be reached. What is preventing Workstation B from reaching Server A?

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Question 1

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Which are the 2 trunking protocols?
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Question 2

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Which is the VLAN not tagged by 802.1q?
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Question 3

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VLAN is a switching technology that reduces the size of a broadcast domain.
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Question 4

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"Router On Stick" is a method used for communicating inter-vlan using a router.
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Question 5

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VLANis a switching technology that reduces the size of a broadcast domain.
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Question 6

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A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?
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Question 7

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Refer to the exhibit. A router-on-a-stick configuration was implemented for VLANs 15, 30, and 45, according to the show running-config command output. PCs on VLAN 45 that are using the 172.16.45.0 /24 network are having trouble connecting to PCs on VLAN 30 in the 172.16.30.0 /24 network. Which error is most likely causing this problem?


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Question 8

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Which three elements must be used when you configure a router interface for VLAN trunking?
1. one physical interface for each subinterface
2. one IP network or subnetwork for each subinterface
3. a management domain for each subinterface
4. subinterface encapsulation identifiers that match VLAN tags
5. one subinterface per VLAN
6. subinterface numbering that matches VLAN tags
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Question 9

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Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem?


A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.

B. Ensure that cables A and B are straight-through cables.

C. Ensure cable A is plugged into a trunk port.

D. Ensure the switch has power.

E. Reboot all of the devices.

F. Reseat all cables.

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Question 10

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Which two link protocols are used to carry multiple VLANs over a single link?
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Question 1

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Refer to the exhibit. The network engineer in RMSIndustries that is shown wants to use the primary ISP connection for all external connectivity. The backup ISP connection is used only if the primary ISP connection fails. Which set of commands would accomplish this goal.



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Question 2

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The network administrator of ABC Supermarket configures the router with the "ip route 172.16.1.0 255.255.255.0 172.16.2.2" command. How will this route appear in the routing table?
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Question 3

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What does administrative distance refer to?
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Question 4

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What are two advantages of static routing over dynamic routing?
1. Static routing is more secure because it does not advertise over the network.
2. Static routing scales well with expanding networks.
3. Static routing requires very little knowledge of the network for correct implementation.
4. Static routing uses fewer router resources than dynamic routing
5. Static routing is relatively easy to configure for large networks.
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Question 5

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What is the correct syntax of a floating static route?
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Question 6

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Refer to the exhibit below. What routing solution will allow both PC A and PC B to access the Internet with the minimum amount of router CPU and network bandwidth utilization?



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Question 7

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Why would a floating static route be configured with an administrative distance that is higher than the administrative distance of a dynamic routing protocol that is running on the same router?
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Question 8

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Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?
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Question 9

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Why would a floating static route be configured with an administrative distance that is highier than the administrative distance of a dynamic routing protocol that is running on the same router?
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Question 10

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What is the default administrative distance of the OSPF routing protocol?
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What type of route allows a router to forward packets even though its routing table contains no specific route to the destination network?
  • dynamic route
  • default route
  • destination route
  • generic route

Question 1

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Refer to the exhibit. Which two statements about the configuration of the switch interface are correct?

SwitchA(config)#interface fa0/0

SwitchA(config-if)#switchport access vlan 2

  1. The switchport belongs only to VLAN 2.
  2. By default, all switch ports are members of VLAN 1005.
  3. Interface fa0/0 will be in both VLAN 1 (by default) and VLAN 2.
  4. The exhibit shows interface fa0/0 to be dynamically mapped to VLAN 2.
  5. A network host can be connected to this interface.
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Question 2

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What is an advantage of OSPF compared to RIP?
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Question 3

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A network administrator in XYZ Telecom is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?

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Question 4

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Which two parameters are used by EIGRP as metrics to select the best path to reach a network?

  1. hop count
  2. bandwidth
  3. jitter
  4. resiliency
  5. delay
  6. confidentiality
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Question 5

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Refer to the exhibit. R1 receives a packet destined for the IP address 192.168.2.10. Out which interface will R1 forward the packet?



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Question 6

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Why would a floating static route be configured with an administrative distance that is highierthan the administrative distance of a dynamic routing protocol that is running on the same router?
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Question 7

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Which are the 2 trunking protocols?
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Question 8

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Refer to the exhibit. The network engineer in RMSIndustries that is shown wants to use the primary ISP connection for all external connectivity. The backup ISP connection is used only if the primary ISP connection fails. Which set of commands would accomplish this goal.


Select one:

Question 9

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Which two statements are true for OSPF Hello packets?
1. They are used to negotiate correct parameters among neighboring interfaces.
2. They are used to maintain neighbor relationships.
3. They are used to determine the complete network topology.
4. They are used for dynamic neighbor discovery.
5. They are used to flood link-state information to all neighbors.
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Question 10

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Which are the 2 trunking protocols?
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Question 11

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"Router On Stick" is a method used for communicating inter-vlan using a router.
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Question 12

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Refer to the exhibit. Which two statements are true about interVLAN routing in the topology that is shown in the exhibit?

  1. Host E and host F use the same IP gateway address. 
  2. Router1 and Switch2 should be connected via a crossover cable. 
  3. Router1 will not play a role in communications between host A and host D. 
  4. The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces. 
  5. Router1 needs more LAN interfaces to accommodate the VLANs that are shown in the exhibit. 
  6. The FastEthernet 0/0 interface on Router1 and the FastEthernet 0/1 interface on Switch2 trunk ports must be configured using the same encapsulation type.

1.       Host E and host F use the same IP gateway address.

2.       Router1 and Switch2 should be connected via a crossover cable.

3.       Router1 will not play a role in communications between host A and host D.

4.       The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces.

5.       Router1 needs more LAN interfaces to accommodate the VLANs that are shown in the exhibit.

6.       The FastEthernet 0/0 interface on Router1 and the FastEthernet 0/1 interface on Switch2 trunk ports must be configured using the same encapsulation type.

 

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Question 13

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Refer to the exhibit. All hosts and router interfaces are configured correctly. Pings to the server from both H1 and H2 and pings between H1 and H2 are not successful. What is causing this problem?

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Question 14

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Refer to the exhibit. The network engineer for the company that is shown wants to use the primary ISP connection for all external connectivity. The backup ISP connection is used only if the primary ISP connection fails. Which set of commands would accomplish this goal.


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Question 15

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VLAN is a switching technology that reduces the size of a broadcast domain.
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Question 16

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Which parameter can be tuned to affect the selection of a static route as a backup when a dynamic protocol is also being used?
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Question 17

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Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?
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Question 18

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What does administrative distance refer to?
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Question 19

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Refer to the exhibit. Which statement are true about interVLAN routing in the topology that is shown in the exhibit?


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Question 20

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Which two statements describe a routed switch port on a multilayer switch?

1. Layer 2 switching and Layer 3 routing are mutually supported.
2. The port is not associated with any VLAN.
3. The routed switch port supports VLAN subinterfaces.
4. The routed switch port is used when a switch has only one port per VLAN or subnet.
5. The routed switch port ensures that STP remains in the forwarding state.

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Question 21

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The network administrator of ABC Supermarket configures the router with the "ip route 172.16.1.0 255.255.255.0 172.16.2.2" command. How will this route appear in the routing table?
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Queston 22

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There are two advantages of static routing over dynamic routing among these choices. What are these?
1. Static routing is more secure because it does not advertise over the network.
2. Static routing scales well with expanding networks.
3. Static routing requires very little knowledge of the network for correct implementation.
4. Static routing uses fewer router resources than dynamic routing
5. Static routing is relatively easy to configure for large networks.
Select one:

Question 23

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What type of route allows a router to forward packets even though its routing table contains no specific route to the destination network?
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Question 24

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Refer to the sample configuration below. Which (config-router) command will allow the network represented on the interface to be advertised by RIP?

router rip
version 2
no auto summary
!
interface ethernet0
ip address 10.12.6.1 255.255.0.0

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Question 25

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A network engineer for a semiconductor company wants to use the primary ISP connection for all external connectivity. Refer at the diagram below. The backup ISP connection is used only if the primary ISP connection fails. Which set of commands would accomplish this goal?


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Question 26

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What does administrative distance refer to?
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Question 27

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Refer to the exhibit below. The network engineer for the company that is shown wants to use the primary ISP connection for all external connectivity. The backup ISP connection is used only if the primary ISP connection fails. Which set of commands would accomplish this goal?


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Question 28

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Refering to the network diagram above of RMS University. All hosts and router interfaces are configured correctly. Pings to the server from both H1 and H2 and pings between H1 and H2 are not successful. What is causing this problem?

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Question 29

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Which three elements must be used when you configure a router interface for VLAN trunking?

  1. one physical interface for each subinterface
  2. one IP network or subnetwork for each subinterface
  3. a management domain for each subinterface
  4. subinterface encapsulation identifiers that match VLAN tags
  5. one subinterface per VLAN
  6. subinterface numbering that matches VLAN tags
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Question 30

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Which is the VLAN not tagged by 802.1q?
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Question 31

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Which classless routing protocol supports VLSM and CIDR, supports manual route summarization, and uses the multicast address 224.0.0.9?
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Question 32

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What is the default administrative distance of the OSPF routing protocol?
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Question 33

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A network administrator has examined the routing table of a router and noted that the entry for the destination network 172.16.4.0/24 begins with the letter D. What does this letter signify?
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Question 34

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What is the correct syntax of a floating static route?
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Question 35

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A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?
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Question 36

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What happens to a static route entry in a routing table when the outgoing interface associated with that route goes into a down state?
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Question 37

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Why would a floating static route be configured with an administrative distance that is highierthan the administrative distance of a dynamic routing protocol that is running on the same router?
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Question 38

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Refer to the exhibit. The user at Workstation B reports that Server A cannot be reached. What is preventing Workstation B from reaching Server A?


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Question 39

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Which two statements are true for OSPF Hello packets?
1. They are used to negotiate correct parameters among neighboring interfaces.
2. They are used to maintain neighbor relationships.
3. They are used to determine the complete network topology.
4. They are used for dynamic neighbor discovery.
5. They are used to flood link-state information to all neighbors.
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Question 40

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Which command can you use to manually assign a static IPV6 address to a router interface?
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Question 41

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"Router On Stick" is a method used for communicating inter-vlan using a router.
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Question 42

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What is the correct syntax of a floating static route?
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Question 43

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Which parameter can be tuned to affect the selection of a static route as a backup when a dynamic protocol is also being used?
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Question 44

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"Router On Stick" is a method used for communicating inter-vlan using a router.
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Question 45

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What does administrative distance refer to?
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Question 46

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R1 is configured with the default configuration of OSPF. From the following list of IP addresses configured on R1, which address will the OSPF process select as the router ID?

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Question 47

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Which two link protocols are used to carry multiple VLANs over a single link?
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Question 48

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Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?
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Question 49

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Which 3 series of commands will configure router R1 for LAN-to-LAN communication with router R2? The enterprise network address is 192.1.1.0/24 and the routing protocol in use is RIP.

1.
R1 (config)# interface ethernet 0
R1 (config-if)# ip address 192.1.1.129 255.255.255.192
R1 (config-if)# no shutdown

2.
R1 (config)# interface ethernet 0
R1(config-if)#ip address 192.1.1.97 255.255.255.192
R1 (config-if)# no shutdown

3.
R1 (config)# interface serial 0
R1 (config-if)# ip address 192.1.1.4 255.255.255.252
R1 (config-if)# clock rate 56000

4.
R1 (config)# interface serial 0
R1(config-if)#ip address 192.1.1.6 255.255.255.252
R1 (config-it)# no shutdown

5.
R1 (config)# router rip
R1 (config-router)# network 192.1.1.4
R1 (config-router)# network 192.1.1.128

6.
R1 (config)# router rip
R1 (config-router)# version 2
R1 (config-router)# network 192.1.1.0

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Question 50

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Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem?



 






A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.

B. Ensure that cables A and B are straight-through cables.

C. Ensure cable A is plugged into a trunk port.

D. Ensure the switch has power.

E. Reboot all of the devices.

F. Reseat all cables.

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