Alcatel-Lucent 4A0-108 問題集

質問 1：
What multicast component has no function at all in a PIM SSM network?
A. The RP
B. The PIM routing protocol
C. IGMP Querier
D. IGMP snooping
E. SSM translation on access multicast router
正解：A

質問 2：
Which of the following statements about MLD protocol is true?
A. MLDv3 is similar to IGMPv3 which can include/exclude the source ip address for specific groups
B. All MLD messages are sent with interface global IPv6 address
C. MLD messages are a subset of ICMPv6 messages
D. By default, MLD messages hop limit is set to 255
正解：C

質問 3：
Which MAC address will the IPv4 multicast address 239.231.42.11 be translated to?
A. 01-00-5e-67-2a-0b
B. 00-01-5e-76-2b-cc
C. 01-00-5e-75-2a-0b
D. 00-01-5e-67-2a-0b
E. 00-01-5e-a1-2a-6b
F. 01-00-5e-66-3a-6b
正解：A

質問 4：
How many responses should be received if IGMP version 2 is in use and a router sends a Query to a specific multicast group that has 6 active receivers on the local broadcast domain?
A. 2
B. 6
C. 7
D. It will be random
E. 1
正解：E
解説: (Topexam メンバーにのみ表示されます)

質問 5：
What is the multicast MAC address for IPv6 multicast address FF1E:: 1234:5678?
A. 33:33:12:34:56:78
B. 33:33:FE:34:56:78
C. 33:33:FF:FE:56:78
D. 33:33:FF:34:56:78
正解：A

質問 6：
Click the exhibit.

From which router is the displayed output taken?
A. Only from the Candidate-BSR
B. Any router in the PIM multicast domain
C. Only from the Candidate-RP
D. Only from the elected BSR
正解：B

質問 7：
Which of the following statements about Mrouter port is false?
A. Mrouter port can be configured manually
B. A port on which any type of IGMP message is received will be set as an mrouter port
C. IGMP reports will only be forwarded out of mrouter ports once igmp-snooping is enabled in the vpls service
D. Mrouter port is indicated by (**) entry in the MFIB
正解：B