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QUESTION NO:7

Which three conditions can cause excessive unicast flooding? (Choose three.)

A. Asymmetric routing

B. Repeated TCNs

C. The use of HSRP

D. Frames sent to FFFF.FFFF.FFFF

E. MAC forwarding table overflow

F. The use of Unicast Reverse Path Forwarding

Answer: A,B,E

QUESTION NO:41

Refer to the exhibit.

What is a reason for the RIB-failure?

A. CEF is not enabled on this router.

B. The route 10.100.1.1/32 is in the routing table, but not as a BGP route.

C. The routing table has yet to be updated with the BGP route.

D. The BGP route is filtered inbound and hence is not installed in the routing table.

Answer: B

QUESTION NO:18

Refer to the exhibit.

Which technology does the use of bi-directional BPDUs on all ports in the topology support?

A. RSTP

B. MST

C. Bridge Assurance

D. Loop Guard

E. Root Guard

F. UDLD

Answer: C

QUESTION NO:21

Which two statements describe characteristics of HDLC on Cisco routers? (Choose two.)

A. It supports multiple Layer 3 protocols.

B. It supports multiplexing.

C. It supports only synchronous interfaces.

D. It supports authentication.

Answer: A,C

QUESTION NO:27

Refer to the exhibit.

Routers R1, R2, and R3 are configured as shown, and traffic from R2 fails to reach

172.29.168.3.

Which action can you take to correct the problem?

A. Correct the static route on R1.

B. Correct the default route on R2.

C. Edit the EIGRP configuration of R3 to enable auto-summary.

D. Correct the network statement for 172.29.168.3 on R3.

Answer: A

QUESTION NO:13

Refer to the exhibit.

While troubleshooting high CPU utilization of a Cisco Catalyst 4500 Series Switch, you notice the error message that is shown in the exhibit in the log file.

What can be the cause of this issue, and how can it be prevented?

A. The hardware routing table is full. Redistribute from BGP into IGP.

B. The software routing table is full. Redistribute from BGP into IGP.

C. The hardware routing table is full. Reduce the number of routes in the routing table.

D. The software routing table is full. Reduce the number of routes in the routing table.

Answer: C

QUESTION NO:31

Which two statements about the function of the stub feature in EIGRP are true? (Choose two.)

A. It stops the stub router from sending queries to peers.

B. It stops the hub router from sending queries to the stub router.

C. It stops the stub router from propagating dynamically learned EIGRP prefixes to the hub routers.

D. It stops the hub router from propagating dynamically learned EIGRP prefixes to the stub routers.

Answer: B,C

QUESTION NO:37

Refer to the exhibit.

AS #1 and AS #2 have multiple EBGP connections with each other. AS #1 wants all return traffic that is destined to the prefix 10.10.10.1/32 to enter through the router R1 from AS #2. In order to achieve this routing policy, the AS 1 advertises a lower MED from R1, compared to a higher MED from R3, to their respective BGP neighbor for the prefix 10.10.10.0/24. Will this measure guarantee that the routing policy is always in effect?

A. Yes, because MED plays a deterministic role in return traffic engineering in BGP.

B. Yes, because a lower MED forces BGP best-path route selection in AS #2 to choose R1 as the best path for 10.10.10.0/24.

C. Yes, because a lower MED in AS #2 is the highest BGP attribute in BGP best-path route selection.

D. No, AS #2 can choose to alter the weight attribute in R2 for BGP neighbor R1, and this weight value is cascaded across AS #2 for BGP best-path route selection.

E. No, AS #2 can choose to alter the local preference attribute to overwrite the best-path route selection over the lower MED advertisement from AS #1. This local preference attribute is cascaded across AS #2 for the BGP best-path route selection.

Answer: E

QUESTION NO:29

Refer to the exhibit.

For which reason could a BGP-speaking device in autonomous system 65534 be prevented from installing the given route in its BGP table?

A. The AS number of the BGP is specified in the given AS_PATH.

B. The origin of the given route is unknown.

C. BGP is designed only for publicly routed addresses.

D. The AS_PATH for the specified prefix exceeds the maximum number of ASs allowed.

E. BGP does not allow the AS number 65535.

Answer: A

QUESTION NO:25

Refer to the exhibit.

You have configured two routing protocols across this point-to-point link. How many BFD sessions will be established across this link?

A. three per interface

B. one per multicast address

C. one per routing protocol

D. one per interface

Answer: D

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