Which of the following statements about RADIUS is correct?( Single choice questions).

• A.MAC authentication does not require a username password, so you cannot use RADIUS to authenticate the user.
• B.RADIUS supports both wired and wireless access modes.
• C.SEPARATION OF RADIUS PROTOCOL AUTHENTICATION, AUTHORIZATION, AND AUDIT.
• D.RADIUS authentication and Portal authentication cannot be used together because the Portal server can typically be used to authenticate users when portal authentication is deployed.

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In BGP4+, what is the content of the next hop network address field carried in the MP_REACH_NLRI attribute of an Update packet?

• A.The link-local address and global unicast address can be carried at the same time.
• B.It can be only a link-local address.
• C.It must be a global unicast address.
• D.It must be a link-local address.

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If the number of MAC addresses learned on an interface enabled with port security reaches the upper limit, which of the following actions may the switch take?

• A.Discards packets with unknown source MAC addresses without generating any alarm.
• B.Sets the interface state to error-down without generating any alarm.
• C.Discards packets with unknown source MAC addresses and generates an alarm.
• D.Sets the interface state to error-down and generates an alarm.

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What messages can Huawei equipment suppress traffic for?

• A.Multicast
• B.Known unicast
• C.Broadcast
• D.Unknown unicast

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View the details of all VPN instances on a network device and the results are as follows, which of the following statements is wrong?( Multiple choice questions).

• A.The GigabitEthernet 1/0/0 interface is tied to the VPN-Instance vpna
• B.The device assigns a label to each route of the VPN-Instance vpna.
• C.VPN-Instance vpna does not receive VPN routes with an RT of 2:1.
• D.The total number of instances that enable the IPv6 address family in the VPN configured on this side is 1.
  

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