Which of the following are used in Ethernet?

• A.Mac address in canonical format
• B.8023 Encapsulated Frame
• C.8025 encapsulated frames
• D.A MAC address in a non-canonical format
• E.CSMA/CD in multiplexed interviews

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What are the following statements about 8021x, RADIUS, and HWTACACS certification? (Multiple choice questions).

• A.Users can use 8021x authentication to access the network and complete identity authentication through RADIUS
• B.RADIUS authentication and WTACACS authentication are mutually exclusive and cannot be two-factor authentication for the same user at the same time.
• C.RADIUS authentication is mutually exclusive with 8021x authentication.
• D.RADIUS authentication and HWTACACS authentication can perform two-factor authentication for the same user at the same time, which is more secure.

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The following statement about IPv6 Over VXLAN is wrong as? (Single choice questions).

• A.IPv6 over VXLAN means that the Overlay network of the VXLAN is an IPv6 network.
• B.IPv6 Over VLANs do not generate ND table entries.
• C.The tunnel between VXLAN Layer 2 and Layer 3 gateways is an IPv4 network.
• D.IPv6 over VXLAN solves the problem of insufficient IP address resources for end tenants.

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A company deployed SSM multicast, in order to save the bandwidth consumption of multicast data in the LAN, the network administrator made the following configuration on the switch

• A.False
• B.True

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Without dividing the zone, is the following description of the link state routing protocol correct?

• A.Each router establishes a topology for the entire floodplain
• B.Routers throughout the flood domain have the same database of wrong-state states
• C.The router will send all the mis-routing status information from one neighbor to all other neighbors to ensure the synchronization of the database
• D.Each router learns route entries directly from the route update and adds them to the routing table
• E.Routers in the flood domain may receive the same link state information repeatedly

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