A+ Certification Review

Annie wants to mark several Mac laptops issued to salespeople so that she can track each time the laptops enter and leave the building. What action will help her accomplish this goal?

Add an RFID tag to each laptop.

What does BIOS/UEFI provide for the computer?

BIOS/UEFI provides the programming that enables the CPU to communicate with other hardware.

Which of the following interfaces would be used for connecting wireless headphones to a laptop?

Bluetooth

What component generally requires a heat sink and fan to keep it from overheating?

CPU

Which of the following RAM form factors would you most commonly find in a laptop computer?

SO-DIMM

Dirk is worried about privacy and wants to disable the built-in webcam in his laptop. How can he do this in Windows 11?

Settings app > Privacy & Security > Camera

Jenny installed a new motherboard into a case and connected all the power to the motherboard, fans, and components. When she plugged into the wall outlet and pressed the power button on the case, nothing happened. What is most likely the problem?

She forgot to plug in the front panel connectors.

Which of these is a symptom of faulty RAM?

System won't boot, and you hear a loud, continuously repeating beep.

Marvin is on the scene of a dead PC. He's analyzed the problem and suspects that a dead power supply is the cause. What should he do next?

Test his theory by using a known-good power supply from his FRUs.

If you do not receive an SDS with a product, where can you obtain one besides directly from the manufacturer?

The Internet

A customer calls to complain that her PC randomly reboots at different times of the day. As the tech, what recommendation should you make first?

The customer should replace the power supply with a known good one.

You receive an "Invalid media" error when trying to access a hard drive. What is the most likely cause of the error?

The drive has not been formatted.

After a sudden power outage, Margaret presses the power button on her PC. The fans spin, but the computer won't boot. It just beeps at her, over and over. What most likely happened?

The outage damaged the RAM.

If a computer will not start and the fan in the power supply will not turn, what should you check first?

The power coming into the power supply

On which of these computing devices would you be most likely to find a 9-pin serial port?

A very old digital cash register

Which of these situations might generate an IT support ticket?

A newly hired employee needs a login account created.

How many devices can a single USB host controller support?

127

What type of fire extinguisher should you use to put out a PC fire?

Type C

Which of these utilities is available via a volume's Properties dialog box, on the Tools tab?

Error Checking

If you have four 2-TB drives in a RAID 5 array, what is the total capacity available to you?

6 TB

Which of the following is a feature of RAID 0?

Disk Striping

Which of these is an example of an SOP?

Acceptable use policy (AUP)

Which HDD interface type allows for up to two drives per data cable?

PATA

Which of these devices is a biometric device?

Retinal scanner

While manning the help desk, you get a call from Sharon in accounting. She's lost a file that she knows she saved to her hard drive. Which of the following statements would direct Sharon to open her Documents folder in the most efficient and professional manner?

"Click the Start button, left-click File Explorer, and move the mouse until the cursor hovers over Documents. Click the left mouse button, and tell me what you see when Documents opens."

What is the maximum spindle RPM found in consumer HDDs?

15,000.

Barry has a very buggy computer that keeps locking up at odd moments and rebooting spontaneously. He suspects the motherboard. Which of these is the proper sequence for troubleshooting it?

Check settings, replace components, verify good components, and document all testing.

What graphical program does Microsoft include with Windows to partition and format a drive?

Disk Management

Bill just installed new printer drivers into Roland's computer for the big, networked laser printer and verified that everything works. Using the troubleshooting methodology, how should Bill complete the service call?

Document that he installed new printer drivers.

Tony has a micro-ATX motherboard, and he needs to select a case to install it in. Which of these case sizes could he use?

Either a full-size ATX or a micro-ATX case

As part of the change management process, educating users on new systems is an important component in which of the following?

End-user acceptance

Which of the following removable media formats uses no moving parts when reading it?

Flash media

Tom has a new 3-TB hard drive. Which partitioning scheme should he use to set it up?

GPT

Which component in a PC is responsible for updating the image on the monitor?

GPU

Which of the following is an advantage of HDD over SSD?

HDDs can be written and rewritten almost an infinite number of times.

Which of the following connections supports both audio and video streams?

HDMI

James is going to store his laptop in a locker for at least a week, and he wants to save his desktop state, including all open applications and files, so they will be just as he left them when the PC wakes up again. Which low-power mode should he use?

Hibernation

What technology enables a single-core CPU to appear as two CPUs?

Hyper-threading

Cindy plans to install a video card she pulled out of one computer into another computer. Where should she store the card until she's ready to do the installation?

In an antistatic bag

Henry gets a help desk call from Arthur in Accounting, who reports that his keyboard is not working. This seems like a familiar problem, one that another tech mentioned a short time back. Where should Henry look to find information on the problem?

Incident documentation

If you use an antistatic wrist strap with a clip, where do you attach the clip?

Into the back of the power supply

April has a DVD that's labeled DVD-R SS DL. Which of these is a correct description of its properties?

It can be written to once, on one side, and its capacity is 8.5 GB.

John installed a new CPU. When he boots the system, it comes up for a few seconds and then shuts down. What could be the problem?

John forgot to plug in the fan, and the CPU is overheating.

Which of these SSD interfaces uses the NVMe specification?

M.2

What capability are you enabling when you attach an RJ-45 plug to a PC?

Network

Jill, a tech, gets a call from a client complaining that his RAID array seems to be running really slowly. Upon further examination, she hears an odd grinding noise coming from the computer. What's most likely the problem?

One of the RAID array drives is failing.

Steve in Accounting was rearranging his cubicle and knocked his new monitor off the side of the desk, breaking the frame and cracking the screen. As the tech on site, what should you do?

Prepare an incident report to send to your supervisor.

Which two terms identify a bootable partition?

Primary, Active

A customer calls to complain that her computer just crashed, hard, and won't restart. When Julie the tech arrives on the scene, she checks the AC outlet and it seems fine. She verifies that the computer won't start at all. What should she try next?

Replace the power supply with a known good power supply of adequate wattage.

Tom has attached an external monitor to his Windows 11 laptop, but the same desktop image appears on both screens. How can he extend the display so each monitor can show different content?

Right-click the desktop and click Display Settings, and then click Extend These Displays.

Which storage interface type has a maximum cable length of 1 meter?

SATA

Julie installs a new power supply in a PC, correctly inserting necessary motherboard connectors. When she presses the power button, however, she gets an almost-dead PC. The fans spin, but nothing else happens. Julie lives in New York. What's most likely the problem?

The power supply is set to receive a higher amount of VAC and it's plugged into a lower amount of VAC outlet.

What is the effect of exceeding the wattage capabilities of a power supply by installing too many devices?

The system will not boot.

What should be placed between the processor and the heat sink or cooling element?

Thermal compound/paste

April's laptop does not have all the ports she needs, so she has purchased a port replicator (dock) that contains multiple display ports, an RJ-45 port, and several USB ports. Which interface does such a dock probably require her PC to have to connect it?

Thunderbolt 3

Jane wants to buy a laptop for gaming, so it's important that it have excellent response time. Which type of LCD screen should she consider?

Twisted Nematic (TN)

Which of these ports is physically the same as Thunderbolt 3?

USB C

On a PC, what type of plug would fit in a USB 3.0 (USB 3.2 Gen 1) port?

USB-A

Which of these connectors is physically compatible with a Thunderbolt 3 port on a PC?

USB-C