The ISIS protocol is deployed in an IPv6 environment. The correct statement in the following is:

• A.Configure ISIS silent on the ISIS interface, then this interface will not send ISIS packets, but will receive ISIS packets.
• B.In broadcast networks, the DIS priorities of IPv4 and IPv6 can be set separately.
• C.In the same broadcast network, if each router supports both IPv4 and IPv6, the DIS of IPv4 and IPv6 must be the same device.
• D.By default, the DIS priority of the broadcast network interface on Level-1 and Level-2 is 1.

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Huawei's two switches, SWA and SWB, are connected through seven Ethernet ports and are configured with static link aggregation. The corresponding ports on the switch SW are Ethernet 1/0/2, Ethernet 1/0/3, Ethernet 1/0/4, and Ethernet 1/0/5, Ethernet 1/0/6, and Ethernet 1/0/7. The configuration mode is configured in the order of the ports. If the switch SWA and SWB support only 6 ports in each aggregation group.

• A.In the case that the configurations of the ports are the same, the SWA randomly selects one of the seven ports as the aggregation group Unselected port.
• B.Ethernet1/0/7 Unselected port with consistent port configuration
• C.Ethernet1/0/6 Unselected port with consistent port configuration
• D.Ethernet1/0/1 Unselected port when the configurations of the ports are the same

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Regarding the BGP anti-ring mechanism, which of the following descriptions are correct? (Multiple Choice)

• A.Routes learned from IBGP are not advertised to IBGP neighbors to prevent routing loops within the AS.
• B.You can use the AS-CONFED-SET attribute to prevent loops within the federation.
• C.The Cluster List attribute is used for the anti-ring in the reflector cluster. The router discovers that the cluster list of the route entry contains its own Cluster ID and rejects the route.
• D.Use the AS-PATH attribute between the autonomous systems to prevent loops.

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The following topology and configuration are available. Which of the following statements are correct? (Multiple Choice)

• A.There is no route with the destination network segment being 10.0.2.2/32 on R1.
• B.There is a route with the destination network segment being 10.6.3.3/32 on R1.
• C.There is a route with the destination network segment being 10.0.2.2/32 on R1.
• D.There is no route with the destination network segment being 10.6.3.3/32 on R1.

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Which of the following command is displayed to determine that the loop fault of the switch is generated?

• A.
• B.
• C.
• D.

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