642-885 exam

Which router Is configured as the RPforthe 234.1.1.1 multicast group and which Is the multicast source that is currently sending traffic to the 234.1.1.1 multicast group? (Choose two.)A . CE5B . PE5C . PE6D . 10.5.10.1E . 10.5.1.1F .  192.168.156.60View AnswerAnswer: C,E Explanation: #show ip mroute234.1.1.1 #show ip route

What are three BGP configuration characteristics of a multihomed customer that is connected to multiple service providers? (Choose three.)A . The multihomed customer can use local preference to influence the return traffic from the service providersB . The multihomed customer announces its assigned IP address space to its service providers...

The following Cisco IOS-XR configuration command will globally enable which multicast process(es) on the router? RP/0/RP0/CPU0:router(config)# multicast-routingA . IGMP onlyB . PIM onlyC . IGMP and MLD onlyD . PIM and IGMP onlyE . PIM and IGMP and MLDView AnswerAnswer: 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...

Refer to the Cisco IOS-XR show output exhibit. Which two statements are correct? (Choose two.)A . The RPF neighbor 192.168.11.1 is the path towards the RP for the 224.1.1.1 multicast groupB . The RP for the 224.1.1.1 multicast group is reachable over the Gi0/0/0/0 interfaceC . This router is the...

When configuring PIM operations, what is the effect of setting the SPT threshold to infinity?A . The multicast source to the RP path will never switch over to the shortest path treeB . All the PIM routers will have more (S,G) states, thus consuming more router resourcesC . The receivers...

Which of the following can be used by dual-stack service providers supporting IPv4/IPv6 customers with dual-stack hosts using public IPv6 addresses and private IPv4 addresses?A . NAT64B . 6RDC . 6to4 tunnelsD . Carrier-grade NATView AnswerAnswer: D Explanation: Carrier Grade NAT is a large-scale NAT, capable of providing private-IPv4-to-public-IPv4 translation...

Which type of DNS record is used for IPv6 forward lookups?A . A recordsB . AAAA records C . PTR records D . MX recordsView AnswerAnswer: B Explanation:

Which statement is correct regarding MP-BGP?A . MP-BGP can indicate whether an advertised prefix (NLRI) is to be used for unicast routing, multicast RPF checks or for both using different SAFIs.B . MP-BGP uses a single BGP table to maintain all the unicast prefixes for unicast forwarding and all the...

Given the IPv6 address of 2001:0DB8::1:800:200E:88AA, what will be its corresponding the solicited-node multicast address?A . FF01::1:200E:88AAB . FF01::1:FF0E:88AAC . FF01:0DB8::1:800:200E:88AAD . FF02::1:FF0E:88AAE . FF02::1:200E:88AAF .  FF02:0DB8::1:800:200E:88AAView AnswerAnswer: D Explanation: IPv6 nodes (hosts and routers) are required to join (receive packets destined for) the following multicastgroups: - All-nodes multicast group...

Refer to the EBGP configuration on a PE IOS-XR router exhibit. After the EBGP configuration, no routes are accepted from the EBGP peer, nor are any routes advertised to the EBGP peer. What could be the problem?A . The update-source neighbor configuration command must also be configured B . The next-hop-self...