CompTIA 220-1101 Practice Test

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Updated On : 13-Aug-2025
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Page 31 out of 85 Pages

Topic 5: Exam Pool E (NEW)

A technician upgrades a PC with two DIMMs, for a total of 32GB. After installing the two DIMMs, the user notices the OS is reporting only 16GB. Which of the following tasks should the technician perform to resolve the issue in the most rapid, cost-effective way possible?

A. Roll back recent system updates.

B. Reinstall RAM in different slots.

C. Update the OS to the latest version.

D. Replace the faulty motherboard.

A.   Roll back recent system updates.

Which of the following differentiates PAN from LAN?

A. PAN creates a wireless connection between smart devices.

B. PAN creates a highly secure environment.

C. PAN creates a faster connection.

D. PAN needs regular maintenance to function properly.

A.   PAN creates a wireless connection between smart devices.

Explanation: A Personal Area Network (PAN) is designed to connect devices in close proximity, typically within a few meters, often using wireless technologies like Bluetooth. This allows for the interconnection of smart devices such as smartphones, tablets, and wearables within an individual's personal space. Unlike a Local Area Network (LAN), which covers a larger geographical area such as a home or office building and can support wired and wireless connections, a PAN specifically facilitates wireless connections between personal devices.

A technician replaced a failed PSU on a high-end workstation PC. Now, the PC fails to POST and does not stay turned on for more than five seconds. Which of the following power connections was most likely forgotten during installation?

A. 5V

B. 12V

C. 120V

D. 220V

B.   12V

Explanation: The issue described suggests the 12V CPU power connector was likely forgotten during installation. The 12V power rail is essential for the operation of high-end workstation components, including the CPU. Without the 12V connection, the system will fail to POST and may power off shortly after being turned on.
✑ Why 12V?
✑ Incorrect Options:
CompTIA A+ Exam Objectives References:
✑ 220-1101 (Core 1), Section 3.5: Explains power supply requirements and troubleshooting scenarios related to component connections.

A technician is reviewing the following network settings for a workstation that is having trouble accessing the internet:



Which of the following is causing the issue?

A. Networking was not configured using DHCP.

B. IPv6 should be used instead of IPv4.

C. The netmask is wrong.

D. The workstation has the incorrect gateway.

D.   The workstation has the incorrect gateway.

The IPv4 address (192.168.10.5) and the gateway address (192.168.1.1) are on different subnets. With a netmask of 255.255.255.0, the network part of the IPv4 address is 192.168.10.x, while the network part of the gateway address is 192.168.1.x. For the workstation to correctly route traffic to the gateway, both must be on the same subnet. The correct gateway address should be within the same subnet as the IPv4 address, such as 192.168.10.1.

Which of the following is an isolated virtual machine?

A. Sandbox

B. Hypervisor

C. Container

D. VDI

A.   Sandbox

Which of the following is used to verify if a NIC port can send and receive data?

A. Loopback plug

B. Toner probe

C. Cable tester

D. Network tap

A.   Loopback plug

Users are complaining that the audio from a presenter is choppy and unintelligible Which of the following is causing the issue?

A. Webcam

B. Digitizer

C. inverter

D. Microphone

D.   Microphone

Explanation: Choppy or unintelligible audio is typically caused by issues with the microphone, such as poor quality, hardware defects, or misconfiguration.
✑ Why Not A (Webcam): The webcam handles video, not audio.
✑ Why Not B (Digitizer): A digitizer relates to touchscreens, not audio.
✑ Why Not C (Inverter): Inverters manage power for displays, not audio.
CompTIA A+ Exam Reference: Core 1 (220-1101), Section 3.6, audio troubleshooting.

Which of the following cloud models maintains access, even when a local internet outage occurs?

A. Private

B. SaaS

C. Community

D. Public

A.   Private

Explanation: In a private cloud model, the cloud infrastructure is maintained within a company's own data center and is used exclusively by that company. Private clouds offer the advantage of maintaining access even when a local internet outage occurs, since the cloud infrastructure is not dependent on a public network connection.

Software as a Service (SaaS) is a cloud model in which software applications are hosted by a third-party provider and made available to customers over the internet. SaaS is not designed to maintain access in the event of a local internet outage.

A community cloud is a shared infrastructure that is used by multiple organizations, typically from the same industry or with similar requirements. Community clouds are not designed to maintain access in the event of a local internet outage.

A public cloud is a cloud infrastructure that is maintained by a third-party provider and is made available to the public over the internet. Public clouds are not designed to maintain access in the event of a local internet outage.

Reference: CompTIA A+ Core 1 Exam Guide, page 258.

When a user touches or swipes across an external touch screen, the image flickers but no input is registered on the presentation laptop. Atechnician verifies that the external touch screen appears free from physical damage. Which of the following should the technician do next?

A. Reboot the LCD touch panel and laptop.

B. Check the cables connecting to the laptop.

C. Verify the correct input source is set on the laptop.

D. Replace the laptop with a new device that is known to work. OE.Inspect the LCD touch panel for dead pixels or burn-in.

B.   Check the cables connecting to the laptop.

Explanation: When an external touch screen exhibits flickering without registering input on a presentation laptop, the first troubleshooting step should be to check the cables connecting the touch screen to the laptop. This includes ensuring that the cables are securely connected, undamaged, and are the correct type for transmitting both video and touch input data. Faulty, loose, or incorrect cabling can lead to issues like flickering and unregistered inputs.

A technician installs a new printer for a workstation and tries to print a test page, but the page does not print. The technician looks at the print queue and notices that the printer is called 'Generic Printer." Which of the following BEST describes what the technician should do to fix this issue?

A. Connect the printer with a USB cable rather than over the network.

B. Install the appropriate printer drivers for the OS.

C. Install the correct toner in the printer

D. Set the printer trays to allow duplex printing

B.   Install the appropriate printer drivers for the OS.

Explanation: The technician should install the appropriate printer drivers for the OS to enable the computer to communicate with the printer. The generic printer name suggests that the drivers are missing or not installed correctly.

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