The following Cisco IOS-XR configuration command will globally enable which multicast process(es) on the router?

The following Cisco IOS-XR configuration command will globally enable which multicast process(es) on the router?

RP/0/RP0/CPU0:router(config)# multicast-routing
A . IGMP only
B . PIM only
C . IGMP and MLD only
D . PIM and IGMP only
E . PIM and IGMP and MLD

View Answer

Answer: E

Explanation:

http://www.cisco.com/en/US/docs/ios_xr_sw/iosxr_r3.5/multicast/configuration/guide/mc35mcst.ht ml

Multicast-routing Configuration Submode

When you issue the multicast-routing ipv4 or multicast-routing ipv6 command, all default multicast components(PIM, IGMP, MLD, MFWD, and MRIB) are automatically started, and the CLI prompt changes to "config-mcastipv4"or "config-mcast-ipv6", indicating that you have entered multicast- routing configuration submode