Huawei H12-261 Quiz 38 Topic 16 Questions 186-190

Question: 1

Which of these statements about REM join messages in classic PIM-SM is true?

APIM join messages are sent every 60 seconds to refresh the upstream router's mroute state for the multicast tree.

BRouters send a PIM join acknowledgement in response to each PIM join message received from a downstream router.

CPIM join messages are only sent when the multicast distribution tree is being established.

DPIM join messages are sent every three minutes to refresh the upstream router's mroute state for the multicast tree.

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Question: 2

The HW network is being used to provide MPLS VPN services to its customers. In an MPLS label within this network, if the stack bit is set to 1, which of the following statements is correct?

AThe stack bit is a Huawei-only implementation and is only used when LDP is the label distribution protocol.

BThe stack bit is reserved for future use.

CThe stack bit is only used when LDP is the label distribution protocol.

DIt signifies that this is the top entry in the label stack and remains set to 1 until only the last entry, when the bottom label is reached.

EIt signifies the last entry in the label stack.

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Question: 3

Which of following statements is true about IS-IS route leaking?

AIS-IS route leaking can be applied only in IPv4 environments.

BIS-IS route leaking can prevent secondary paths.

CIS-IS route leaking must be deployed on Level-1 routers.

DIS-IS route leaking is enabled by default.

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Question: 4

Layer 6 of the OSI model is responsible for which of the following functions?

ACommon data compression and encryption schemes

BEstablishing, managing, and terminating communication sessions

CSynchronizing communication

DDetermining resource availability

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Question: 5

Which of the following statements are true about the extended features of IS-IS? (Multiple Choice)

AIS-IS can choose whether to authenticate and verify the received SNP and LSP packets.

BIf the link state PDUs to be advertised by IS-IS contain a lot of information, the IS-IS router generates more LSP fragments to carry more IS-IS information.

CAfter the IS-IS LSP fragment extension function is enabled, the IS-IS process does not need to be restarted.

DIf some devices from other vendors are deployed on the network and these devices do not support the IS-IS LSP fragment extension function, the fragment extension mode must be set to Mode-1; otherwise, the devices from other vendors cannot identify the packets.

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Huawei H12-261 Quiz:38 Topic:16 Questions:186-190