Which of the following statements about 802.1x authentication, RADIUS, and HWTACACS authentication is correct? (Multiple Choice)

• A.RADIUS authentication and 802.1x authentication are mutually exclusive.
• B.Users can access the network using 802.1x authentication and complete identity authentication through Radius.
• C.RADIUS authentication and HWTACACS authentication are mutually exclusive. You cannot perform dual authentication for the same user at the same time.
• D.RADIUS authentication and HWTACACS authentication can perform dual authentication for the same user at the same time, which is more secure.

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Which of the following statements about the VXLAN gateway are wrong?

• A.The second layer gateway of VXLAN allows tenant access VXLAN VLAN and used to communicate between the subnets in the same VLAN.
• B.Layer 2 gateway is bound to the VPN instance.
• C.The third layer gateway of VXLAN can be divided into centralized gateway and distributed gateway.
• D.The third layer gateway of VXLAN allows inter-subnet VXLAN communications and external network access.

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After reset isis all is executed, the IS-IS protocol process needs to be restarted and neighbors need to be re-established, but various IS-IS statistics will not be cleared.

• A.TRUE
• B.FALSE

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The filter policy 2000 export is configured in the IS-IS process. Which of the following is wrong about the function of this command?

• A.If this command is not configured, the device will advertise all the routes imported by external routing protocols into IS-IS by default.
• B.This command will filter the link state information released to the outside world
• C.The routing entries generated by the device itself will be restricted from being released to the outside world
• D.It needs to be used in conjunction with route import, which is used to advertise only part of the imported external routes to neighbors.

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

• A.True
• B.False

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