Which of the following should be included when performing preventive maintenance of hardware?
(Select TWO.)

A.
Checking environmental conditions.

B.
Ensuring hardware compatibility.

C.
Replacing cables.

D.
Checking for visual defects.

Explanation:
Hardware comp ability should have been ensured before buying the components in the first place,
and there is no need to replace cables unless there is a visual defect on them.