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QUESTION NO:9

Which is the most effective technique to contain EIGRP queries?

A. route summarization

B. configuring route filters

C. using a hierarchical addressing scheme

D. establishing separate autonomous systems

Correct Answer: A Explanation

Explanation/Reference:

After you determine the minimum routing requirements, you can make EIGRP more scalable. Two of the best options are the following:

1.Configure route summarization using the ip summary-address eigrp command on the outbound interface of the appropriate routers.

2. Configure the remote routers as stub EIGRP routers. Summarizing routes limits the queries scope by limiting a routers knowledge of networks subnets. If a subnet goes down, queries go only as far as the routers that have knowledge of that subnet.

QUESTION NO:19

Refer to the exhibit. EIGRP is enabled on all routers on the network. What additional configuration is required for the routers connected over the Frame Relay multipoint interfaces to compensate for a low-speed NBMA connection?

A. Configure the EIGRP hello interval on all Frame Relay interfaces to 5 seconds.

B. Configure the EIGRP hello interval on all Frame Relay interfaces to 60 seconds.

C. Configure the EIGRP hold time on all Frame Relay interfaces to 15 seconds.

D. Configure the EIGRP hold time on all Frame Relay interfaces to 180 seconds.

E. Configure the bandwidth on all EIGRP Frame Relay interfaces to the committed information rate (CIR).

F. Configure the bandwidth on all EIGRP Frame Relay interfaces to the lowest CIR multiplied by the number of PVCs for the multipoint connection.

Correct Answer: F Explanation

Explanation/Reference:

QUESTION NO:20

A network administrator would like to configure an EIGRP router as a stub router that advertises directly connected and summary routes only. What command must the administrator issue to accomplish this?

A. eigrp stub

B. eigrp stub connected

C. eigrp stub summary

D. eigrp stub connected static

E. eigrp stub receive-only

Correct Answer: A Explanation

Explanation/Reference:

QUESTION NO:6

A network administrator is troubleshooting a redistribution of RIP routes into OSPF. Given the exhibited commands, which statement is true?

router rip

network 10.0.0.0

!

router ospf 5

network 172.10.0.0 0.0.255.255 area 0

redistribute rip

A. Redistributed routes will have an external type of 1 and a metric of 1.

B. Redistributed routes will have an external type of 2 and a metric of 20.

C. Redistributed routes will maintain their original OSPF routing metric.

D. Redistributed routes will have a default metric of 0 and will be treated as reachable and advertised.

E. Redistributed routes will have a default metric of 0 but will be treated as unreachable and not advertised.

Correct Answer: B Explanation

Explanation/Reference:

By default, all routes redistributed into OSPF will be tagged as external type 2 (E2) with a metric of 20, except for BGP routes (with a metric of 1).

Note: The cost of a type 2 route is always the external cost, irrespective of the interior cost to reach that route. A type 1 cost is the addition of the external cost and the internal cost used to reach that route.

QUESTION NO:5

Refer to the exhibit. EIGRP is configured on all routers in the network. On the basis of the output provided, which statement is true?

A. Because the key chain names do not match, router R1 will not be able to ping routers R2 and R3 .

B. Because the key strings do not match, router R1 will not be able to ping routers R2 and R3.

C. Because authentication is misconfigured on interfaces Gi0/0 and Gi0/1 on router R2, router R1 will not be able to ping routers R2 and R3.

D. Because autosummarization needs to be turned on for EIGRP on all routers, router R1 will not be able to ping routers R2 and R3.

E. Router R1 will be able to ping routers R2 and R3.

Correct Answer: E Explanation

Explanation/Reference:

QUESTION NO:11

Identify three characteristics of EIGRP feasible successors? (Choose three.)

A. A feasible successor is selected by comparing the advertised distance of a non-successor route to the feasible distance of the best route.

B. If the advertised distance of the non-successor route is less than the feasible distance of best route, then that route is identified as a feasible successor.

C. If the successor becomes unavailable, then the feasible successor can be used immediately without recalculating for a lost route.

D. The feasible successor can be found in the routing table.

E. Traffic will be load balanced between feasible successors with the same advertised distance.

Correct Answer: ABC Explanation

Explanation/Reference:

QUESTION NO:16

Based on the information in the exhibit, which statement is true?

A. RTC will be able to access the 10.0.0.0 network.

B. RTC will not have the 10.0.0.0 network in its routing table.

C. RTC will not have the 192.168.10.0 network in its routing table.

D. RTB will not have the 10.0.0.0 network in its routing table.

E. RTB and RTC will not have the 10.0.0.0 network in their routing tables.

Correct Answer: B Explanation

Explanation/Reference:

QUESTION NO:15

What is the purpose of the eigrp stub configuration command?

A. to increase scalability by limiting the EIGRP query range

B. to reduce the size of the routing table by blocking the D EX (External EIGRP) routes into the EIGRP stub router

C. to reduce the convergence time by enabling the EIGRP stub router to propagate the EIGRP queries from the EIGRP hub router

D. to reduce the convergence time by enabling the EIGRP stub router to also perform query requests to the EIGRP hub router

Correct Answer: A Explanation

Explanation/Reference:

The EIGRP Stub Routing feature improves network stability, reduce resources utilization, and simplifies stub router configuration. Stub routing is commonly used in a hub and spoke network topology. You need to configure the distribution (hub) and remote (spoke) routers to use EIGRP, and only the remote router as a stub. Only specified routes are propagated from the stub router. The router responds to queries for summaries, connected routes, redistributed static routes, external routes, and internal routes with the message “inaccessible”. A stub router will send a special peer information packet to all neighboring routers to report its status as a stub router. Any neighbor that receives a packet informing it of the stub status will not query the stub router for any routes, and a router that has a stub peer will not query that peer. The stub router will depend on the distribution router to send the proper updates to all peers.

QUESTION NO:12

What are three kinds of OSPF areas? (Choose three.)

A. stub

B. active

C. remote

D. backbone

E. ordinary or standard

Correct Answer: ADE Explanation

Explanation/Reference:

QUESTION NO:14

A network administrator is troubleshooting an EIGRP configuration across a discontiguous network. What must the administrator do to ensure the routers have the correct routing information?

A. Nothing, EIGRP supports discontiguous networks by default.

B. The administrator must disable automatic summarization with the command no auto-summary.

C. The administrator must enable manual summarization with the command ip summary-address.

D. The administrator must enable classless routing with the command ip classless.

E. The administrator must specify a default network with the command ip default-network.

Correct Answer: B Explanation Explanation/Reference:

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