Which of the following is the correct description of the Register message in PMSM? (Multiple choice)

• A.Register message enables the RP to learn multicast source information.
• B.Register message is sent by the receiver router
• C.Register message is sent to the RP by unicast instead of multicast.
• D.Register message is sent by the source DR

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Which of the following statement about the R2 routing entry is correct?

• A.2021::/64 router will appear in the IP routing table.
• B.2022::/64 router will appear in the IP routing table.
• C.2019::/64 router will appear in the IP routing table.
• D.2020::/64 router will appear in the IP routing table.

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Which of the following technologies use tunneling technology to communicate between IPv6 addresses? (Multiple Choice)

• A.6to4
• B.NAT64
• C.ISATAP
• D.Dual Stack

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In the process of using the LACP protocol, which of the following descriptions are correct? (Multiple Choice)

• A.You can configure the source IP address for load balancing in the enabled link aggregation group by using the following command: Interface eth-trunk 1 Load-balance src-dst-ip
• B.You can remove a member interface in an enabled link aggregation group by using the following command: Interface GigabitEthernet0/0/1 Debug Interface GigabitEthernet0/0/1 Undo eth-trunk 1 interface GigabitEthernet0/0/1 Undo shutdown
• C.You can add member interfaces to the link aggregation group enabled by the following command: Interface GigabitEthernet0/0/1 Debug Interface GigabitEthernet0/0/1 Trunkport GigabitEthernet0/0/1 Interface GigabitEthernet0/0/1 Undo shutdown
• D.You can prevent the Eth-Trunk interface from frequently flapping due to physical link reasons. Interface eth-trunk 1 Lacp preempt enable Lacp preempt delay delay-time

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Four routers R1, R2, R3, and R4 run ISIS, the ISIS router type is marked, and the routing table is viewed on R1. The reason why R1 does not reach the route of 10.34.34.4 is

• A.Configure a routing policy on R2 to filter the default route.
• B.R2's system-ID conflicts with R1
• C.Regional planning errors for R3 and R4
• D.R2's system-ID conflicts with R3

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