Alcatel-Lucent 4A0-108 問題集

質問 1：
Which of the following events could trigger a PIM router sending an (S,G) Join message? (Choose three)
A. Receiver performing enhanced IGMP version 2 signaling
B. Receiver performing IGMP version 3 (S, G) report
C. Router performing PIM Source Path Tree signaling
D. Router performing translation to convert a standard IGMP (*, G) Join into a PIM (S, G) Join
E. RP performing translation to convert a PIM (*, G) Join into a PIM (S, G) Join
正解：A

質問 2：
Which of the following are NOT characteristics of the many to many model of multicast data delivery? (Choose two)
A. Well suited for applications such as video on demand where each source sends a separate data stream to each of the many different receivers
B. All devices are potentially capable of generating multicast data
C. Well suited for applications in which the receivers provide feedback to each other and the source
D. Receivers are generally unknown by the source
E. Receivers are generally known by each other since any receiver may be a source
正解：A,D

質問 3：
When a BSR message with a higher priority is seen, will a new BSR election occur?
A. No, the new election only occurs when the elected BSR fails
B. Depends on the local configuration of whether to allow the new election or not
C. Yes, immediately
D. Yes, after a bootstrap message wait interval
正解：C

質問 4：
Click the exhibit.

The interface's IGP metric is as shown, and PIM is using the unicast table for the RPF-check. What happens when Router B receives a register message on its interface facing Router A?
A. Router B discards the register message, as the RPF-check fails.
B. Router B forwards the register message to Router D (RP) according to its routing table.
C. Router B forwards the register message out of all the interfaces in its (192.168.1.1,239.1.1.1) entry's outgoing interface list.
D. Router B forwards the register message out of all the interfaces in its (',239.1.1.1) entry's outgoing interface list.
正解：B

質問 5：
An IGMP version 3 receiver signals INCLUDE mode with an empty INCLUDE list. What does this indicate?
A. It is willing to receive traffic from all sources
B. This is the initial join message and a selection of source will follow
C. It is willing to receive traffic from any source
D. This is the way it indicates it is leaving the group
正解：D

質問 6：
Which of the following PIM messages are sent towards the RP? (Choose two)
A. (*, G) Join/Prune
B. (S, G) Join/Prune
C. (S, G, rpt) Join/Prune
D. Register Stop
正解：A,C

質問 7：
Which of the following is NOT a function of Intra-AS I-PMSI A-D route?
A. To advertise the P-tunnel type to be used for the I-PMSI.
B. To advertise the customer multicast group address.
C. To provide MVPN auto-discovery and binding within a single AS domain.
D. To advertise the group address for the I-PMSI.
正解：B