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Chapter 10
Configuring Multicast
15.
Which device answers IGMP requests?
A.
Hub
B.
ATM switch
C.
Switch
D.
Router
16.
What command is used to manually configure a router to be an RP?
A.
ip multicast RP <ip-address>
B.
ip pim RP <ip-address>
C.
ip pim rp-address <ip-address>
D.
ip igmp rp-address <ip-address>
17.
Which of the following criteria will activate an interface that is con-
figured to use dense mode? (Choose all that apply.)
A.
Directly connected hosts
B.
Directly connected PIM routers
C.
Router configured as a border router
D.
When the interface receives a prune statement from a directly con-
nected PIM router
18.
Which of the following criteria will activate an interface in sparse
mode? (Choose all that apply.)
A.
A sparse mode interface is always active.
B.
A directly connected DVMRP neighbor.
C.
An explicit join request on that interface.
D.
A prune request is received on the interface.
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