A technician has enabled port security on a switchport. Which of the following BEST describes the effect this will have?

A technician is servicing a workstation that needs a hard drive replacement.
To protect the workstation, which of the following should the technician use?

An employee reported that a suspicious individual was looking through the recycle bin. Which of the following types of social engineering threats is this?

A user's mobile device appears to be losing battery life rapidly and often feels warm to the touch, even when it is put away.
The device is relatively new, so the user is concerned it is defective. A technician inspects the device and see the following:
Which of the following should be changed to resolve this issue?

Which of the following is the MOST secure wireless security protocol?