What improvements have been made to the IGMPV2 protocol compared to IGMPV1? (Multiple Choice)

• A.Added off-group message
• B.Added specific source group query message
• C.Added specific group query message
• D.Added maximum response time field

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ISIS does not send CSNP packets under the P2P network type during the neighbor establishment process.

• A.False
• B.True

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Regarding the way the device handles packets in the MPLS network model, which of the following description is wrong? (Multiple Choice)

• A.Both LER and LSR will carry out label distribution.
• B.The device discards the IP packets entering the MPLS domain.
• C.LSR must not strip labels.
• D.The label forwarding path LSP is determined and established through various protocols during the forwarding of the packet.

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The Level-2 LSP is transmitted to the Level-1 area by Level-1-2 IS. If the location of ATT is in the Level-2 LSP is 1, it indicates that the Level-1 in the area can pass the Level-1-2 IS to the outside area.

• A.False
• B.True

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OSPFv3 Router-LSA is generated for each router. It describes the interface address and cost of each link of the router. It also contains the router ID of the neighboring router.

• A.False
• B.True

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