Which of the following parameters is not included in the configuration BPDU of the STP protocol?

• A.Bridge ID
• B.Port ID
• C.Root ID
• D.VLAN ID

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Which of the following description are wrong about the Forwarding state in the spanning tree protocol? (Multiple choice)

• A.The port in the Forwarding state will definitely send BPDU packets
• B.The port in the Forwarding state can forward data packets
• C.Ports in Forwarding state can receive BPDU packets
• D.The port in the Forwarding state does not learn the source MAC address of the packet

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At present, the company has a network administrator, and the AR2200 in the company network can be remotely managed by directly entering the password through Telnet. After the two new network administrators arrived, the company hopes to assign their own user names and passwords to all administrators, as well as different levels of authority. So how should it be done? Multiple choices

• A.The user authentication mode configured by Telnet must select AAA mode
• B.When configuring each administrator's account, different permission levels need to be configured
• C.Configure three user names and their corresponding passwords in the AAA view
• D.Each administrator uses a different public IP address of the device when running the Telnet command

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The OSI reference model from high-level to bottom-level is ().

• A.Application layer, transport layer, network layer, data link layer, physical layer
• B.Application layer, presentation layer, session layer, network layer, transport layer, data link layer, physical layer
• C.Application layer, presentation layer, session layer, transport layer, network layer, data link layer, physical layer
• D.Application layer, session layer, presentation layer, transport layer, network layer, data link layer, physical layer

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If the largest number in an ACL rule is 12, by default, the user does not specify a number when configuring a new rule, then what is the number assigned by the system for the new rule?

• A.16
• B.14
• C.15
• D.13

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