Latest CCIE 350-001 New Question (11-15)

QUESTION 11
How is RPF used in multicast routing?
A.    to prevent multicast packets from looping
B.    to prevent PIM packets from looping
C.    to instruct PIM where to send a (*,G) or (S,G) join message
D.    to prevent multicast packets from looping and to instruct PIM where to send a (*,G) or (S,G) join message
Answer: D

QUESTION 12
Refer to the exhibit. What does the incoming interface of the above (*,G) entry indicate?
A.    the interface closest to the source, according to the unicast routing table
B.    the interface where an IGMP join has been received
C.    the interface with the highest IP address
D.    the last interface to hear a PIM (*,G) join
E.    the interface closest to the RP, according to the unicast routing table
Answer: E

QUESTION 13
Refer to the exhibit.
Which interface(s) will show ip rpf 1.1.1.2 indicate as RPF interface(s)?
A.    Ethernet 1/0
B.    Ethernet 0/0
C.    Both Ethernet 0/0 and Ethernet 1/0
D.    RPF will fail
Answer: A

QUESTION 14
Apart from interdomain multicast routing, what else is MSDP used for?
A.    Source Specific Multicast and IGMPv2
B.    Announcing multicast sources to BGP speakers
C.    Anycast RP
D.    Intradomain multicast routing
Answer: C

QUESTION 15
Which IGMPv2 message contains a non-zero “Max Response Time”?
A.    Membership Query
B.    Membership Report
C.    Membership Delay
D.    Backward Compatible IGMPv1 Report Message
Answer: A