Regarding the strategy for checking the screensaver settings, which of the following descriptions arecorrect?
(Multiple choice)

Use the command on the switch to view the status of free mobility deployment, the command is as follows:
For the above command, which of the following descriptionsis correct?

In a centralized networking, the database, SM server, SC server, and AE server are all centrally installed in the corporate headquarters. This networking method is suitable. It is used for enterprises with a wide geographical distribution of users and a large number of users.

In the terminal security all-round defense system, use PPT-PDCA The model can effectively implement terminal security defense. Which of the following options does not belong to PPT Model?

Which of the following cybersecurity threats exist only in WLAN In the network?