CCNA Exam 642-055 – Advanced Routing and Switching for Field Engineers

CCNA Exam 642-055
Title: Advanced Routing and Switching for Field Engineers
Ver: 02.13.07

Example Question out of 78 Questions:

QUESTION 21:
Which three of these items are found within the router advertisement message of IPv6 stateless autoconfiguration? (Choose three.)
A. flags indicating the kind of autoconfiguration that can be done by hosts
B. default router information
C. /64 prefix that can be used on the link and the lifetime of the prefix
D. IPv6 DHCP server address information
E. IPv6 DNS server address information

Answer: A,B,C

QUESTION 22:
What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?
A. Route reflectors are not passing updates properly.
B. BGP synchronization has been enabled.
C. The next-hop address is unreachable.
D. No loopback interface has been configured on a router.

Answer: B

QUESTION 23:
Which two statements are correct in verifying SPFv3 IPv6 routing configurations?
(Choose two.)
A. OSPFv3 is enabled per-link, not per-network.
B. When configuring a broadcast interface, OSPFv3 requires a list of OSPFv3 neighbors to be manually configured.
C. OSPFv3 requires router to be running CEF.
D. OSPFv3 router ID is now 128 bits instead of 32 bits.
E. OSPFv3 area ID and link-state ID are now 128 bits instead of 32 bits.

Answer: A,C

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