QUESTION NO: 11
Examine the topology and the configuration output. If the show ip bgp summary command was issued from R1, how many prefixes would it have in the State/PfxRcd field?
A. 1
B. 0
C. 3
D. 2
Answer: B
QUESTION NO: 12
Refer to the exhibit. Which two of these statements are correct? (Choose two.)
A. Router C cannot aggregate the 160.0.0.0/8 prefix if it does not have a more specific prefix in its BGP table.
B. Router C will only aggregate the 160.0.0.0/8 prefix for any updates it is sending to AS 200.
C. Router C will advertise the 160.0.0.0/8 prefix and all of the more specific prefixes.
D. Router C will aggregate the address and advertise only the summary address to its neighbors.
E. To aggregate the 160.0.0.0/8 prefix, router C must originate that prefix from within AS 300.
Answer: A,C
QUESTION NO: 13
Which four attributes are used by BGP to detect routing loops? (Choose four.)
A. Originator ID
B. Community ID
C. AS-Path
D. Cluster ID
E. Cluster List
Answer: A,C,D,E
QUESTION NO: 14
As the penalty for a flapping route decreases and falls below a certain limit, the route is nsuppressed. What is the name of that limit?
A. half-life limit
B. suppress limit
C. max-suppress-time limit
D. reuse limit
Answer: D
QUESTION NO: 15
Within a transit AS, which routes should the IGP carry if the edge routers are using next-hop-self?
A. The core subnets and loopback within the transit AS.
B. The external subnets used in the EBGP sessions with the neighboring ASs.
C. The external subnets used in the EBGP sessions with the neighboring ASs and the core subnets and loopbacks within the transit AS.
D. The external routes to remote ASs.
Answer: A