2013 Latest 642-902 Pass4sure Free Tests 21-30

Ensurepass

 

QUESTION 21

Refer to the exhibit.

The Route.com company is running EIGRP between all the routers. Currently, if one of the LAN links (LAN1 or LAN2) at the headquarters flaps (goes up and down), the HQ-RTR1 and HQ-RTR2 routers will experience high CPU usage and have a long EIGRP convergence time. As the new network administrator, you are asked to investigate this situation and determine if there is a quick way to resolve this issue. Which is the most important thing that you can quickly verify first to resolve this issue?

 

A.       Verify that the bandwidth setting on all WAN links is correct.

B.       Verify that the HQ-RTR1 and HQ-RTR2 routers are configured to send only a default route to all the spoke routers.

C.       Verify that the HQ-RTR1 and HQ-RTR2 routers are configured for EIGRP Nonstop Forwarding.

D.      Verify that all the spoke routers are configured for auto summarization.

E.       Verify that all the spoke routers are configured as EIGRP stub.

 

Answer: E

 

 

QUESTION 22

Refer to the exhibit.

When you examine the routing tables of R1 and R4, you are not able to see the R1 Ethernet subnet on the R4 routing table. You are also not able to see the R4 Ethernet subnet on the R1 routing table. Which two configuration changes should be made to resolve this issue? Select the routers where the configuration change will be required, and select the required EIGRP configuration command(s). (Choose two.)

 

A.       R1 and R4

B.       R2 and R3

C.       ip summary-address eigrp 1 10.1.1.0 255.255.255.0 and ip summary-address eigrp 1 10.2.2.0 255.255.255.0

D.      variance 2

E.       eigrp stub connected

F.        no auto-summary

 

Answer: BF

 

 

QUESTION 23

Refer to the exhibit.

The actual speed of the serial links between R2 and R3 are 256 kb/s and 512 kb/s. When configuring EIGRP on routers R2 and R3, the network administrator configured the bandwidth of both serial interfaces to 512 kb/s. What will be the effect?

 

A.       EIGRP will over utilize the 512 kb/s link.

B.       The interface “delay” value used in the EIGRP metric calculation will be inaccurate on the 256 kb/s serial interface.

C.       The amount of bandwidth used for EIGRP routing protocol traffic on the 256 kb/s link can become excessive.

D.      EIGRP can load balance between the two serial links only if the variance is set to 2 or higher.

E.       Unequal cost load balancing will be disabled.

 

Answer: C

 

 

QUESTION 24

Refer to the exhibit.

ROUTE.com has just implemented this EIGRP network. A network administrator came to you for advice while trying to implement load balancing across part of their EIGRP network. If the variance value is configured as 2 on all routers and all other metric and K values are configured to their default values, traffic from the Internet to the data center will be load balanced across how many paths?

 

A.       1

B.       2

C.       3

D.      4

E.       5

 

Answer: C

QUESTION 25

Refer to the exhibit.

 

A Boston company bought the assets of a New York company and is trying to route traffic between the two data networks using EIGRP. The show command output shows that traffic will not flow between the networks. As a network consultant, you were asked to modify the configuration and certify the interoperability of the two networks. For traffic to flow from subnet 172.16.8.0/24 to the 172.16.16.0/24 subnet. Which configuration change do you recommend?

 

A.       Turn off autosummarization on routers N1 and B1.

B.       Add IP summary addresses to the Internet-pointing interfaces of routers N1 and B1.

C.       Turn off auto summarization on routers N2 and B2.

D.      Add wildcard masks to the network commands on routers N2 and B2.

 

Answer: A

 

 

QUESTION 26

Refer to the exhibit.

A Boston company bought the assets of a New York company and is trying to route traffic between the two data networks using EIGRP over EoMPLS. As a network consultant, you were asked to verify the interoperability of the two networks. From the show ip route command output, what can you tell the customer about the traffic flow between the subnet in New York (172.16.8.0/24) and the subnets in Boston (172.16.16.0/24 and 10.10.16.0/24)?

 

A.       Traffic is flowing between the 172.16.8.0 subnet and subnets 172.16.16.0 and 10.10.16.0 and no configuration changes are needed.

B.       Auto-summary must be disabled on N1 and B1 before traffic can flow between the 172.16.8.0 subnet and subnets 172.16.16.0 and 10.10.16.0.

C.       Traffic will flow between the 172.16.8.0 subnet and 172.16.16.0 without any further configuration changes. However, auto-summary must be disabled on N1 and B1 before traffic can flow between the 172.16.8.0 subnet and the 10.10.16.0 subnet.

D.       Auto-summary must be disabled on N1 and B1 before traffic can flow between the 172.16.8.0 subnet and the 172.16.16.0 subnet. However, traffic will flow between the 172.16.8.0 subnet and 10.10.16.0 without any further configuration changes.

 

Answer: B

 

 

 

QUESTION 27

Which condition must be satisfied before an EIGRP neighbor can be considered a feasible successor?

 

A.       The neighbor’s advertised distance must be less than or equal to the feasible distance of the current successor.

B.       The neighbor’s advertised distance must be less than the feasible distance of the current successor.

C.       The neighbor’s advertised distance must be greater than the feasible distance of the current successor.

D.       The neighbor’s advertised distance must be equal to the feasible distance of the current successor.

E.        The neighbor’s advertised distance must be greater than or equal to the feasible distance of the current successor.

 

Answer: B

 

 

QUESTION 28

Which statement about a non-zero value for the load metric (k2) for EIGRP is true?

 

A.       A change in the load on an interface will cause EIGRP to recalculate the routing metrics and send a corresponding update out to each of its neighbors.

B.       EIGRP calculates interface load as a 5-minute exponentially weighted average that is updated every 5 minutes.

C.       EIGRP considers the load of an interface only when sending an update for some other reason.

D.       A change in the load on an interface will cause EIGRP to recalculate and update the administrative distance for all routes learned on that interface.

 

Answer: C

 

 

QUESTION 29

Your network consists of a large hub-and-spoke Frame Relay network with a CIR of 56 kb/s for each spoke. Which statement about the selection of a dynamic protocol is true?

 

A.       EIGRP would be appropriate if LMI type ANSI is NOT used.

B.       EIGRP would be appropriate, because the Frame Relay spokes could be segmented into their own areas.

C.       EIGRP would be appropriate, because by default, queries are not propagated across the slow speed Frame Relay links.

D.      EIGRP would be appropriate, because you can manage how much bandwidth is consumed over the Frame Relay interface.

Answer: D

 

 

QUESTION 30

Refer to the exhibit.

Why are the EIGRP neighbors for this router not learning the routes redistributed from OSPF?

 

A.       Redistribution must be enabled mutually (in both directions) to work correctly.

B.       Auto-summary causes the OSPF routes redistributed into EIGRP to be summarized; thus the OSPF network 116.16.34 is summarized to 116.34.0.0, which is already covered by the EIGRP protocol.

C.       Default metrics are not configured under EIGRP.

D.      Both routing protocols must have unique autonomous system numbers for redistribution to function correctly.

 

Answer: C

 

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