Which of the following statement about the LSA of OSPFv3 3 is correct? (Multiple choice)

• A.Router-LSA and Network-LSA do not contain routing information.
• B.The Link State id of the Inter-Area Prefix-LSA contains the prefix information.
• C.Inter-Area-Prefix LSA also contains Link-Local information
• D.When the Intra-Area Prefix LSA has the Referenced Link State Type-2, the Referenced Link State id contains the interface id of the DR.

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In the Broadcast network, the election of DIS is started after the neighbor relationship is established.

• A.False
• B.True

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After BGP imports routes of other protocols, the next hop in the BGP routing table is the same as the next hop of the introduced routing protocol.

• A.False
• B.True

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Which of the following statements is true about the MUX VLAN feature of Huawei switches?

• A.The Mux VLAN is classified into Principal VLAN and Subordinate VLAN. The Subordinate VLAN is classified into Separate VLAN and Isolate VLAN.
• B.The MUX VLAN and the Super VLAN features can be used together on the same VLAN.
• C.Each Separate VLAN can be bound to multiple Principal VLANs.
• D.The Principal Port can communicate with all ports in the MUX VLAN.

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An OSPF protocol is running on a company network. An engineer wants to understand the OSPF mechanism to perform packet capture operations on the network, which of the following description about the OSPF packet is correct? (Multiple Choice)

• A.After receiving the LS Update message, the router must send LS Ack to confirm.
• B.LS Update message synchronizes the link state database by sending detailed LSA information.
• C.The LS Update message is sent only when the adjacency is established.
• D.Sending Hello packets immediately after the interface joins the OSPF area.

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