642-661 Questions And Answers

QUESTION 1
What is the range of values from which an ISP can assign a private AS number?
A. 32768 to 65535
B. 64512 to 65535
C. 65101 to 65535
D. 65001 to 65535
Answer: B
QUESTION 2
Network topology exhibit
What can prevent the corresponding BGP session from being successfully established?
A. Certkiller 2 and Certkiller 5 cannot establish the IBGP session because Certkiller 2 and Certkiller 5 are not directly connected.
B. Certkiller 1 and Certkiller 2 establish the EBGP session if the BGP holddown timers between the two EBGP neighbors are different.
C. Certkiller 2 and Certkiller 5 cannot establish the IBGP session using the loopback0 interface if the EBGP-multihop value is set to the default value.
D. Certkiller 1 and Certkiller 2 cannot establish the EBGP session using the loopback0 interface if the EBGP-multihop value is set to the default value.
Answer: D
QUESTION 3
Exhibit:
How should the EBGP session between R1 and R2 be established to enable load balancing? (Choose three)
A. Use the maximum-paths 2 option.
B. Use the ebgp-multihop 2 option.
C. Use static routes on R1 and R2 to reach the other router's loopback.
D. Establish a single EBGP session using the loopback0 interface IP address on R1 and R2.
E. Establish twp EBGP sessions using both the S0 and S1 interface IP address on R1 and R2.
Answer: BCD