A user's mobile device appears to be losing battery life rapidly and often feels warm to the touch, even when it isput 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?

A small business has an open wireless network so vendors can connect to the network without logging in.
The business owners are concerned that a nearby company is connecting and using the wireless connection without permission. If the small business requires that the network remain open, which of the following configuration settings should be changed to address these concerns?

A technician accessed a network share from a computer joined to workgroup. The technician logged in as
"user1" and directed the computer to save the username and password. Several weeks later, the technician wants to log in to this network share using the administrator account. The computer does not prompt for a username and password, but it automatically logs in to the network share under the "user1" account.
Which of the following would allow the technician to log in using the "administrator" username?

Which of the following would MOST likely be used in secure client-server communication?

A customer wants to format a 4TB external drive with a filesystem that is compatible with both Windows and Linux OSs.
Which of the following should the technician suggest the customer use?