QUESTION NO: 81
A customer multihomed to two ISPs is assigned a different AS number from each ISP. In this
case, which BGP configuration option can the customer use to resolve this issue?
A. set as-path prepend {as-number…}
B. neighbor {ip-address} filter-list {as-path acl number} in
C. neighbor {ip-address} filter-list {as-path acl number} out
D. neighbor {ip-address} local-as {private-as}
Answer: D
QUESTION NO: 82
Based on the show route-map test output shown in the exhibit, which matching routes will be set to a weight of 150?
A. Routes that match the prefix-list named test AND match the as-path filter 1 AND 2 AND match the community-list 1 AND 2
B. Routes that match the prefix-list named test OR match the as-path filter 1 OR 2 OR match the community-list 1 OR 2
C. Routes that match the prefix-list named test OR match the as-path filter 1 AND 2 OR match the community-list 1 AND 2
D. Routes that match the prefix-list named test AND also match either the as-path filter 1 OR 2 AND also match either the community-list 1 OR 2
Answer: D
QUESTION NO: 83
Which three of these statements describe a transit AS? (Choose three.)
A. It uses recursive routing lookup when forwarding packets toward external destinations.
B. Core IGP can be scaled using route reflectors.
C. It uses IGP routing information to reach the BGP next-hop.
D. Core IGP stability can be improved using BGP route dampening.
E. BGP split horizon and synchronization are disabled.
F. All core routers run IBGP and IGP.
Answer: A,C,F
QUESTION NO: 84
R2 is configured to prepend AS number 65102 in updates to R3. Which statement is true?
A. The AS-Path length via AS 65102 will decrease to influence the return traffic path selected by the remote ASs.
B. The AS-Path prepend configuration command using the remote AS number (65102) will be rejected by IOS at R2.
C. The BGP updates from R2 to R3 will be rejected by R3 due to loop prevention.
D. The AS-Path length via AS 65102 will increase to influence the return traffic path selected by the remote ASs.
E. The EBGP session between R2 and R3 will be dropped due to an AS-Path prepend configuration error.
Answer: C
QUESTION NO: 85
Which BGP path attribute is used to inform the BGP peer that the routing information that was presented in the original routing updates may have been lost when the updates were summarized?
A. AGGREGATOR
B. AS_PATH
C. ATOMIC_AGGREGATE
D. CLUSTER_LIST
Answer: C
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