220-902 試験問題を無料オンラインアクセス

A security team is auditing a company's network logs and notices that a USB drive was previously inserted into several of the servers. Many login attempts were than successfully performed using common login information. Which of the following actions should be taken to close the vulnerability? (Select two.)

• A.Run OS security updates
• B.Change default credentials
• C.Modify AutoRun settings
• D.Install a software firewall
• E.Remove admin permissions
• F.Disable guest account

After confirming BIOS support, technician has added a second video card and a new sound card to a computer's motherboard. The computer continuously restarts. This is an indication of which of the following.

• A.Insufficient power supply
• B.Defective video card
• C.Insufficient memory
• D.Incompatible sound card

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 sees the following.
Which of the following should be changed to resolve this issue?

• A.Display-Brightness
• B.Privacy-Maps
• C.Storage-Photos
• D.Mail-Work

A novice user is trying to change the password on a Linux system. The user is attempting to use command line functions. Which of the following commands should be used?

• A.passwd
• B.chown
• C.chmod
• D.pwd

A customer reports that a smartphone is experiencing a very short battery life. The user has been using this phone for a short time and has installed several apps recently. Which of the following might be the cause of the issue?

• A.Signal drop or weak signal
• B.Defective SD card
• C.Slow data speeds
• D.Unauthorized root access