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Comptia A+ 220-602 IT Technician
Install configure upgrade and optimize security
You are the technician on call at Certkiller .com. A client complains that her timeand date on her desktop computer is constantly wrong, even though she resets it.
Which of the following should repair the problem?
A. A new system board.
B. A hard disk.
C. An installation disk to re-install her operating system.
D. A new CMOS battery.
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Answer: D
Explanation:
These symptoms indicate that the system's CMOS is losing the time, date, and hard disk
settings. The CMOS is able to keep this information when the system is shut off because
there is a small battery powering this memory. Because it is a battery, it will eventually
lose power and go dead.
Incorrect answers:
A: The symptoms exhibited are not characteristic of a faulty system board.
B: A faulty hard disk in need of replacement does not show the symptoms described in
the question.
C: It is not the operating system that is responsible for the symptoms that the client is
experiencing.
Reference:
David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition), Sybex,
Alameda, CA, 2001, pp. 402.