The free mobility is a special access control method. According to the user's access point, access time, access method and user terminal specified permission is granted. From the physical connection, the access method can be divided into 3 categories, which of the following access methods not include?

• A.VPN access
• B.802.1X access
• C.Wireless access
• D.Wired access

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In WIDS-enabled WLAN network, which of the following statements is correct regarding the determination of illegal devices?

• A.STA that are not connected to this AC are illegal STA
• B.STA that are not connected to this AC must check whether the access AP is valid
• C.AP that are not connected to this AC are illegal AP
• D.All Ad-hoc devices will be directly identified as illegal devices

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The following configuration is to configure authentication commands on two admission control devices A and B.
Which of the following are correct for the analysis of configuration commands? (Multiple selection)
[A] dot1x enable
[A] interface gigabitethernet 1/0/1
[A-GigabitEthernet1/0/1] dot1x enable
[A-GigabitEthernet1/0/1] dot1x mac-bypass
[B] mac-authen
[B] interface gigabitethernet 1/0/1
[B-GigabitEthernet1/0/1] mac-authen

• A.MAC bypass authentication is configured on device B.
• B.MAC bypass authentication is configured on device A.
• C.The GE1/0/1 port on device A can access both PC and dumb terminal devices.
• D.The GE1/0/1 port on Device B can access both PC and dumb terminal devices.

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User access authentication technology does not include which of the following options?

• A.Isolation repair'
• B.Authentication
• C.Security check
• D.Access control

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Which of the following descriptions is correct for distributed deployment scenario for an authentication server?

• A.The enterprise network is relatively decentralized. There are multiple branches and the users of the branches are large.
• B.The quality of the network between the branch office and the headquarters is difficult to guarantee. The network between the headquarters and the branch office may be interrupted, making the terminal of the branch office unable to connect to the data center of the headquarters.
• C.The terminal security management services between the branches and the headquarters are relatively independent, and the headquarters provides monitoring and recommendation scenarios for the terminal security management services of the branches.
• D.Scenarios where the number of users in branches is less than 2,000 and the network between the headquarters and branches is relatively stable.

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