Which of the following correct for MAC authentication and MAC bypass authentication? (Multiple choices)

• A.MAC bypass authentication first 802.1X authentication is performed on the device that accesses the device. If the device does not respond to 802.1X authentication, the device uses MAC to authenticate the device.
• B.MAC authentication is an authentication method that controls the user's network access rights based on the interface and MAC address. It does not require the user to install any client software.
• C.MAC address is not used as the user name and password to automatically access the network during MAC bypass authentication.
• D.During the MAC authentication process, the user needs to manually enter the user name or password.

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Terminal security access technology does not include which of the following options?

• A.safety certificate
• B.System Management
• C.Authentication
• D.Access control

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The administrator issues notices to users in the form of announcements, such as the latest software and patch installation notices. Which of the following options of the announcement is incorrect?

• A.If the system issues an announcement and the proxy client is not online, the announcement information will not be received after going online.
• B.Announcements can be issued by the security department
• C.The terminal must have a proxy client installed to receive announcements.
• D.Announcements can be issued by account.

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The Agile Controller-Campus is deployed on Windows platform and use SQL Server database.
Which of the following is true about HA function of Agile Controller-Campus? (Multiple choices)

• A.When deploying the management center MC, HA is supported and HA active/standby switchover based on Keepalived technology is provided.
• B.When deploying the service manager SM, HA is supported and HA active/standby switchover based on Keepalived technology is provided.
• C.When the database DB is deployed, HA is supported. Use SQL Server database mirroring technology, you need to deploy the primary DB + mirror DB + witness DB.
• D.When deploying the service controller SC, HA is supported and backup scheme for resource pool mode is provided. N+1 SC need to be deployed.

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Regarding the description of the account blacklist, which of the following options is wrong?

• A.For manually locked accounts, the administrator needs to manually add the account to the locked account list.
• B.The automatic account lock and manual account lock functions cannot be activated at the same time.
• C.Manually lock the account and delete it from the list, the lock of the account will be released.
• D.For automatically locked accounts, if the number of incorrect passwords entered by the terminal user during authentication exceeds the limited number of times within a limited time, the account will be automatically locked.

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