Which of the following is not included in AAA? ()

• A.Accounting)
• B.Authentication
• C.Authorization
• D.Audit

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The network shown in the figure below assumes that all routers can enable OSPF at the same time. Which router is the DR in this network? () (Single-choice question)

• A.B. Router D
• B.D. Router C
• C.Router B
• D.C. Router A

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Wireless access controller (AC, Access Cntroller) As a unified management and control device in the FIT AP architecture, the following description of the role of AC. is wrong ()

• A.AP configuration delivery
• B.User access control
• C.No matter when the data is forwarded, the user's data message will be forwarded by AC.
• D.User access authentication

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When an Ethernet frame is received by an interface on a Layer 2 Ethernet switch, which field is used to generate an entry in the MAC address table?

• A.Destination MAC address
• B.Source MAC address
• C.Source IP address
• D.Destination IP address

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On VRP, the command lines are classified into four levels in increasing priority: Visit level, Monitoring level, Configuration level, and Management level. At which level, the operator is permitted to configure service but is not permitted to operate the file system?

• A.Visit level
• B.Configuration level
• C.Monitoring level
• D.Management level

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