- (Topic 1)
A technician is troubleshooting an all-in-one laser printer that prints a vertical line when making copies and scans. When users print or receive faxes, the output from the printer is correct. Which of the following should the technician examine to determine the cause of the issue?
Correct Answer:
C
Comprehensive and Detailed Explanation From Exact Extract:
Since the issue only occurs during scanning and copying (not printing or faxing), the problem is isolated to the document feeder. A vertical line is typically caused by debris or damage on theglass under the ADF (Automatic Document Feeder), not on components related to printing.
Reference: "CompTIA A+ Complete Study Guide" by Quentin Docter – Chapter 4, page 261.
- (Topic 1)
When installing a network printer, a technician needs to ensure the printer is available after a network is restarted. Which of the following should the technician set up on the printer to meet this requirement?
Correct Answer:
A
Comprehensive and Detailed In-Depth Explanation:
Assigning astatic IP addressto a network printer ensures it always retains the same address, allowing users and print servers to consistently reach it even after a reboot or network refresh.
✑ Option B (Private address):Refers to address ranges (e.g., 192.168.x.x) — doesn't
guarantee address persistence.
✑ Option C (Wi-Fi):Is a connection method, not a method of IP assignment.
✑ Option D (Dynamic addressing):Via DHCP, which can change over time unless reservations are made (less reliable).
CompTIA A+ Core 1 Exam Objective Reference:
✑ Objective 3.4: Given a scenario, install and configure printers.
- (Topic 1)
Each lime a user ties to print, the paper becomes stuck at the last stage of the print job and the user has to poll me paper out of the printer. Which of the following is me most likely cause?
Correct Answer:
A
If paper gets stuck at the last stage of printing, the rollers responsible for moving the paper through the printer are likely worn out or dirty.
Why Not B (Tray assembly): The tray assembly manages paper loading, not feeding during the print process.
Why Not C (Toner): Toner is unrelated to paper jams.
Why Not D (Printhead): Printheads manage ink/toner distribution, not paper movement. CompTIA A+ Exam Reference: Core 2 (220-1102), Section 4.6, printer troubleshooting.
- (Topic 1)
Which of the following resolutions is commonly known as Ultra HD?
Correct Answer:
C
Comprehensive and Detailed In-Depth Explanation:
Ultra HD (UHD), also referred to as4K UHD, has a resolution of3840x2160. It's four times the resolution of standard 1080p (Full HD), offering more screen real estate and sharper images.
✑ Option A (1920x1080):Full HD (FHD), not UHD.
✑ Option B (2048x1080):DCI 2K — used in cinema, not common for Ultra HD.
✑ Option D (7680x4320):Known as 8K UHD, not standard Ultra HD. CompTIA A+ Core 1 Exam Objective Reference:
✑ Objective 1.7: Compare and contrast display technologies and their features.
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- (Topic 1)
Which of the following connectors can be used to charge most modern mobile devices and may have the capacity to send data audio and video?
Correct Answer:
B
* B. USB-C:
USB-C is a versatile connector that supports charging, high-speed data transfer, and the ability to send audio and video signals (e.g., DisplayPort over USB-C).
It is used by most modern mobile devices and laptops because of its fast transfer speeds and power delivery capabilities.
Incorrect Options:
* A. Lightning: Lightning is proprietary to Apple devices and does not natively support video output.
* C. MicroUSB: MicroUSB is outdated and does not support video output.
* D. MiniUSB: MiniUSB is an older standard and does not support modern features like video output or fast charging.
Key Takeaway: USB-C is the most versatile connector for charging and transferring data, audio, and video.
Reference: CompTIA A+ Core 1 Exam Objectives (220-1201), Domain 3.1 – Cable types and features.