QUESTION NO: 76
Which of these situations best describe when to use the AS number translation feature?
A. All multihomed customers are using public AS numbers.
B. All single-homed customers are using private AS numbers.
C. All multihomed customers are assigned different AS numbers from different ISPs.
D. All single-homed customers are using public AS numbers.
Answer: C
QUESTION NO: 77
What state will a BGP session move to immediately after the router sends a BGP Open message to its neighbor?
A. OpenConfirm
B. OpenSent
C. active
D. idle
E. established
Answer: B
QUESTION NO: 78
Refer to the configuration shown. What could cause the BGP prefixes from the 10.1.1.1 BGP peer to be absent from the routing table?
A. BGP synchronization
B. intraconfederation EBGP configurations error
C. autosummarization
D. ebgp-multihop issue
E. EBGP configurations error
Answer: A
QUESTION NO: 79
Which two of these statements regarding BGP and admin distances are correct? (Choose two.)
A. External BGP routes have a default admin distance of 5.
B. External BGP routes have a default admin distance of 20.
C. BGP admin distance does not influence the path selection algorithm, but does influence if BGP-learned routes are placed in the IP routing table.
D. Internal BGP routes have a default admin distance of 5.
E. BGP admin distances do not matter, since all BGP routes are automatically installed in the IP routing table.
F. Internal BGP routes have a default admin distance of 20.
Answer: B,C
QUESTION NO: 80
Which two BGP prefix-update optimization strategies can be used to minimize the impact of BGP routing policy changes? (Choose two)
A. route flap dampening
B. soft reconfiguration
C. BGP scanner
D. Route refesh
Answer: B,D