If the PM-SM protocol is run on the multicast network, you need to configure the RP. The configuration of the RP is classified into dynamic RP and static RP. The following which is the correct description of the RP configuration?

• A.When configuring dynamic RP, you need to configure the BSR as the backup of the RP.
• B.When configure static RP, you need to configure the BSR advertisement RP information.
• C.When configuring static BP, you need to specify the RP information on all PIM routers.
• D.You do not need to configure BSR when configuring dynamic RP.

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Which of the following statements about RADIUS is correct?

• A.RADIUS supports both wired and wireless access methods.
• B.RADIUS protocol authentication, authorization and audit separation.
• C.RADIUS authentication and Portal authentication cannot be combined because the Portal server can be used to authenticate users when Portal authentication is deployed.
• D.MAC authentication does not require username and password, so RADIUS authentication user identity cannot be used.

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Broadcast-type network, starting the election of DIS after the establishment of the neighbor relationship

• A.True
• B.False

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If you run PIM-SM on a multicast network, you need to construct a multicast forwarding tree between the multicast source and the receiver for the receiver to receive multicast data, so the following descriptions are about the constructed multicast forwarding tree, which are the correct options? (Multiple Choice)

• A.The RPT tree is constructed between the multicast source and the RP.
• B.The SPT tree is constructed between the multicast source and the RP.
• C.The RTP tree is constructed between the RP and the receiver.
• D.The SPT tree is constructed between the RP and the receiver.

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If a Huawei switch runs the RSTP protocol, when will the BPDU on a port of the switch be aged?

• A.After more than 6 seconds
• B.After MaxAge times out
• C.On the interface, RSTP does not age BPDUs.
• D.After the Hold time expires
• E.After the Forward Delay expires

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