OSPFv3 and ISIS are running on the router at the same time. You need to import OSPFv3 routes to ISIS. Which of the following configurations is correct: (Multiple choice)

• A.[Huawei] isis 1 [Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00 [Huawei-isis-1] ipv6 enable topology standard [Huawei-isis-1] ipv6 import-route ospfv3 1 level-1 [Huawei-isis-1] quit [Huawei] ospfv3 1 [Huaweiospfv3-1] router-id 2.2.2.2
• B.[Huawei] isis 1 [Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00 [Huawei-isis-1] import-route ospfv3 1 [Huawei-isis-1] quit [Huawei] ospfv3 1 [Huawei-ospfv3-1] router-id 2.2.2.2
• C.[Huawei] isis 1 [Huawei-isis-1]is-level level-1 [Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00 [Huawei-isis-1] import-route ospfv3 1 level-1 [Huawei-isis-1] quit [Huawei] ospfv3 1 [Huawei ospfv3-1] router-id 2.2.2.2
• D.[Huawei] isis 1 [Huawei-isis-1] is-level level-1 [Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00 [Huawei-isis-1] ipv6 enable topology standard [Huawei-isis-1] ipv6 import-route ospfv3 1 level-1 [Huawei-isis-1] quit [Huawei] ospfv3 1 [Huaweiospfv3-1] router-id 2.2.2.2
• E.[Huawei] isis 1 [Huawei-isis-1]is-level level-1 [Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00 [Huawei-isis-1] ipv6 enable topology standard [Huawei-isis-1] ipv6 import-route ospfv3 1 [Huawei-isis-1] quit [Huawei] ospfv3 1 [Huawei-ospfv3-1] router-id 2.2.2.2

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If a DR is elected between the multicast routers running PIM-SM to be responsible for receiving and receiving multicast data on the source or member, what is the correct description of the DR election rules?

• A.The PIM router with a long interface mask is elected as the DR.
• B.A router with a small IP address is elected as a DR.
• C.Compare the DR priorities first, if the priorities are the same, you need to compare the IP addresses of the PIM router interface to elect DRs.
• D.A PIM router with a low DR priority value is elected as the DR.

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Regarding Route Policy, which of the following descriptions are correct? (Multiple Choice)

• A.If more than one node is defined in the Route-policy, at least one of the nodes should have a matching mode of permit.
• B.An advanced ACL can be applied to the route-policy to filter routes.
• C.Route-Policy can only filter the default route.
• D.The entry permit::0 less-equal 128 indicates that all IPv6 routes are allowed to pass.

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If there is no zoning, which of the following statements are correct about the link state routing protocol? (Multiple Choice)

• A.The router sends all link state information from the neighbor to all other neighbors to ensure that the data in the database is synchronized.
• B.Each router learns routing entries from the updated routing information and adds them to the routing table.
• C.Routers in the entire routing domain have the same LSDB
• D.Routers in the same routing domain may repeatedly receive the same link state information.
• E.Each router establishes a routing domain topology.

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VXLAN uses BGP EVPN to establish a tunnel. What kind of packets are used?

• A.Type1
• B.Type4
• C.Type5
• D.Type3
• E.Type2

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