CompTIA A+ Recertification Exam for Continuing Education (RC0-903) Free Practice Test

Question 1

The OSD of a monitor indicates the proper video source is selected, but no image is displayed. Which of the following issues are the MOST likely reasons? (Select TWO).

A. The source cable is disconnected

B. The monitor's contrast is set too high

C. No device is sending source video

D. The backlighting of the monitor is faulty

E. The monitor's brightness is set too low

Correct Answer: A,C

Question 2

Which of the following features of a mobile device operates the touch screen?

A. Accelerometer

B. Gyroscope

C. Geotracking

D. Digitizer

Correct Answer: D

Question 3

A technician needs to perform a backup while a system is running. Which of the following services allows this task to be accomplished?

A. Xcopy

B. Shadow copy

C. Robocopy

D. System restore

Correct Answer: B

Question 4

A user has requested a device that could be used for web-conferences while away from work. The device will mainly be used for emailing, document reviewing, and phone calls.
Which of the following mobile devices would a technician MOST likely recommend?

A. Smart camera

B. Web camera

C. Phablet

D. Tablet

Correct Answer: C

Question 5

A technician opens a customer's computer and sees large amounts of accumulated dust.
Which of the following is the BEST method of removing the dust from the computer?

A. Dampen an ESD cloth with denatured alcohol and use it to gently wipe the dust away.

B. Use a shop vacuum with enough power to ensure all dust has been removed.

C. Use compressed air to free the dust from the components and remove it with an ESD vacuum.

D. Remove as much dust as possible by hand and use compressed air to blow the rest out.

Correct Answer: C

Question 6

Which of the following security threats happens when another person enters a secured area with an authorized person?

A. Spoofing

B. Tailgating

C. Shoulder surfing

D. Phishing

Correct Answer: B

Question 7

A finance officer has submitted a request for a new wireless access point. The technician has set up the physical equipment and powered it on, but the router will not recognize it.
Which of the following should the technician do to correct the problem?

A. Use apt-get for updates

B. Install firmware updates

C. Run Windows updates

D. Perform RPM updates

Correct Answer: B

Question 8

Which of the following explains why it is important to secure Personally Identifiable
Information (PII)?

A. So sensitive information, such as corporate passwords, is not stolen.

B. So sensitive information, such as social security numbers, is not stolen.

C. So phishing attacks are not launched against employees of the organization.

D. So man-in-the-middle attacks are not launched against the organization.

Correct Answer: B

Question 9

A technician troubleshooting a computer finds a faulty video card and needs to replace it.
Which of the following safety procedures should be used to prevent damaging the new part?

A. Self ground and handle the new card by the edges.

B. Place the computer on an ESD mat.

C. Attach an ESD strap to the new card during handling.

D. Ground the computer and remove jewelry.

Correct Answer: A

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CompTIA A+ Recertification Exam for Continuing Education (RC0-903) Free Practice Test