You are the Certkiller .com technician charged with performing a hardware upgrade on a PC.
What will you do before performing the procedure?

A.
Back up all the data.

B.
Determine the amount of RAM available.

C.
Scan the hard disk for errors.

D.
Download the Latest BIOS and drivers for the existing components.

Explanation:
You should always backup data to ensure that no user data would be lost.
Incorrect Answers:
B: The available RAM should not affect the upgrade.
C: Disk errors, the BIOS and drivers for the existing components would not affect the
upgrade.References:David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition),
Sybex Inc, Alameda, CA, 2001, pp. 177-184.
D: Disk errors, the BIOS and drivers for the existing components would not affect the
upgrade.References:David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition),
Sybex Inc, Alameda, CA, 2001, pp. 177-184.