The network administrator of a certain company wants to uniformly divide the users who often access the company network from different switches into VLAN 10 when they frequently change office locations. Which of the following methods should be used to divide VLANs?

• A.Divide VLAN based on MAC address
• B.Divide VLAN based on port
• C.Divide VLAN based on protocol
• D.Divide VLAN based on subnet

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The origin of SDN is the separation of transfer and control. The separation of transfer and control is a way to realize SDN, not the essence.

• A.True
• B.False

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On Huawei ARG3 series routers, what authentication modes does AAA support? (Multiple Choice)

• A.HWTACACS
• B.None
• C.Local
• D.802.1x

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The RSTP protocol uses the P/A mechanism to speed up the speed of the upstream port to the Forwarding state, but what is the reason why there is no temporary loop?

• A.Through the synchronization mechanism to ensure that no temporary loop occurs
• B.Speed up port role election
• C.Edge ports are introduced
• D.Shorten the time of Forward Delay

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What is the protocol number corresponding to the ospf protocol at the network layer?

• A.1
• B.6
• C.89
• D.0

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