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You work as a System Administrator for company Inc. You have deployed a workstation and roll it out to
production, but you find some issues with the video display.
The display worked in the beginning when you first set up the system. The video has degraded to standard
VGA 640×800 and its performance is badly affected after applying several system and driver updates.
What is the most likely cause of this issue?

A. The video adapter is not properly placed on the system board.

B. The video card is not enabled on the system.

C. You need to upgrade RAM according to the video driver.

D. You have installed an unsigned video driver.


Explanation:
In the given scenario, the video problem occurred because of the installation of an unsigned video driver.
For better performance, you should always use a device driver that is signed by Microsoft. Unsigned drivers
are not compatible with all systems. They may be poorly written and may include viruses or malware.
Incorrect Answers:
A, B: If the video adapter is not properly placed on the system board or the video card is not enabled, you
do not get the video clip in the beginning when you first set up the system.
C: It is not required to upgrade RAM.

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