642-885 exam

Which multicast routing protocol supports dense mode, sparse mode and bidirectional mode?A . DVMRPB . MOSPFC . PIMD . MP-BGPE . MSDPView AnswerAnswer: C

In Cisco IOS-XR, the maximum-prefix command, to control the number of prefixes that can be installed from a BGP neighbor, is configured under which configuration mode?A . RP/0/RSP0/CPU0:P2(config-bgp)#B . RP/0/RSP0/CPU0:P2(config-bgp-af)#C . RP/0/RSP0/CPU0:P2(config-bgp-nbr)#D . RP/0/RSP0/CPU0:P2(config-bgp-nbr-af)#View AnswerAnswer: D

DRAG DROP View AnswerAnswer: Explanation: The amount of time for the penalty to decrease to one-half of its current value - 60 Suppress a route when its penalty exceeds this value - 2400 If a flapping route penalty decreases and falls below this value , the route is unsuppressed -...

Which field in the IPv6 header can be used to set the DSCP value?A . Flow LabelB . Type of ServiceC . Traffic Class D . Precedence E . EXPView AnswerAnswer: C Explanation: Traffic Class The Traffic Class field is an 8 bit field that is used to signify the importance of...

With IPv6 multicast, which feature can be used as a replacement method for static RP configuration?A . PIM SnoopingB . MLDC . MLD Snooping D . Embedded RP E . DHCPv6View AnswerAnswer: D Explanation:

Which additional feature is provided using MLDv2 that is not available in MLDv1?A . Multicast Address Specific QueriesB . Source filtering C . Done messages D . Report messagesView AnswerAnswer: B Explanation: - PIM-SSM is made possible by IGMPv3 and MLDv2. Hosts can now indicate interest in specific sources using IGMPv3 and...

Which two statements regarding Auto RP operations and implementations are correct? (Choose two.)A . Candidate RPs send RP announcements to the 224.0.1.39 multicast group, and the mapping agents send RP discovery messages to the 224.0.1.40 multicast groupB . Every PIM-SM router must be configured with the RP mapping agent IP...

Which three statements regarding the BGP operations are correct? (Choose three)A . PE5 is the route reflector with P1 and PE6 as its clientB . PE5 is using the IS-IS route to reach the BGP next-hop for the 172.16.66.0/24 prefixC . PE5 has BGP route dampening enabledD . The BGP...

When a BGP route reflector receives an IBGP update from a non-client IBGP peer, the route reflector will then forward the IBGP updates to which other router(s)?A . To the other clients onlyB . To the EBGP peers onlyC . To the EBGP peers and other clients onlyD . To...

Refer to the exhibit. The following multicast IP addresses map to which multicast MAC address?A . 01:00:5E:8A:00:01B . 01:00:5E:0A:00:01C . 01:00:5E:7A:00:01D . 01:00:5E:05:00:01View AnswerAnswer: B