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

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Which of the following description of the 8021s deployment features is correct?

• A.Multiple bridges share a spanning tree instance
• B.Multiple VLANs share a spanning tree instance
• C.All VLANs share a spanning tree instance
• D.Each VLAN shares a spanning tree instance

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The multicast IP address is 229.130.130.1, and what is its corresponding MAC address?

• A.00-00-5E-02-82-01
• B.01-00-5E-82-82-01
• C.00-00-5E-82-82-01
• D.01-00-5E-02-82-01

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Regarding the BGP confederation, which of the following description is incorrect?

• A.The sub-autonomous system within the confederation can use a private AS number. A Huawei NE/AR router can be configured with up to 32 sub-AS in a single confederation.
• B.The confederation can easily detect the routing loop within the AS because EBGP is running between the sub-As.
• C.The confederation divides an AS into several sub-AS confederation. External As still considers the confederation to be an AS.
• D.The sub-AS number of the confederation is advertised to BGP peers outside the confederation by default.

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Configure queue-based traffic shaping. If the queue length exceeds the cache size, the tail drop is performed by default.

• A.True
• B.False

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