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Prepare for the CompTIA A+ Certification Exam Core 1 exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.
QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the CompTIA 220-1101 exam and achieve success.
The questions for 220-1101 were last updated on Jul 19, 2026.
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A user called the help desk to report an issue with a laptop. Recently, the user has been unable to click the buttons on the track pad or press some keys on the keyboard. The technician inspector the laptop but does not find any physical damage caused by the user. Which of the following is the MOST likely cause of the issue?
The most likely cause of the issue is that the laptop has a swollen battery, which is a condition where the battery expands due to gas buildup inside the cells. A swollen battery can cause physical damage to the laptop, such as pushing against the track pad or keyboard and preventing them from functioning properly. The technician should inspect the battery and replace it if it is swollen. A damaged digitizer is not the cause of the issue, as the digitizer is a component that converts touch input into digital signals, and it does not affect the track pad or keyboard. Distended capacitors are not the cause either, as capacitors are electronic components that store electric charge, and they do not affect the track pad or keyboard. A failed accelerometer is not the cause as well, as an accelerometer is a sensor that measures acceleration, and it does not affect the track pad or keyboard. Reference: https://www.comptia.org/blog/what-is-a-laptop-battery
Which of the following DNS records is used to point to a mail server?
An MX (Mail Exchange) record in DNS specifies the mail server responsible for accepting email messages on behalf of a domain. It is a vital component of the email delivery process, directing email to the correct server based on the domain part of the email address. Without properly configured MX records, a domain's email system cannot function correctly.
A technician just finished building a new PC and needs to install a firmware update for the system board UEFI . The technician is experiencing issues while
accessing the USB key. Which of the following features should the technician most likely disable in order to complete this task?
Secure Boot is a feature of UEFI (Unified Extensible Firmware Interface) that prevents unauthorized software from running during the boot process. Secure Boot verifies the digital signature of the boot loader and the operating system, and only allows them to run if they are signed by a trusted authority. However, Secure Boot can also prevent some legitimate software, such as firmware updates, from running if they are not signed or recognized by the system. Therefore, the technician may need to disable Secure Boot in order to install a firmware update for the system board UEFI from a USB key34. The other features are not likely to interfere with the firmware update, unless they are misconfigured or incompatible with the USB key.
Reference
3: bios - Can't enable secure boot in Windows 11
4: Acer aspire e5-571 Legacy Secure Boot?
A computer technician is investigating issues with a user's workstation. The user reports the following:
*Loading the operating system takes much longer than usual
*Clicking sounds are coming from inside the workstation
Which of the following is the most likely cause of the issue?
The symptoms described, such as the operating system taking longer than usual to load and hearing clicking sounds from within the workstation, are indicative of a failing hard drive. Clicking sounds, often referred to as the 'click of death,' signal the read/write head of the hard drive struggling to function properly. This mechanical failure leads to longer load times as the system struggles to read data from the disk. It is crucial to back up data and consider replacing the hard drive to prevent data loss.
A technician needs to test a new USB headset for videoconference calls. Audio playback is working as expected, but sound from the microphone is not being recorded. The Device Manager and Sound settings show the microphone is installed. Which of the following should the technician do next?
The correct answer is A. Examine the application and device mute controls.
One of the possible reasons for the USB headset microphone not working is that the microphone is muted in the application or device settings. The technician should check if the mute button on the headset or the microphone icon in the application is active. If so, the technician should disable them and try to record sound again.
Some applications may also have their own settings for the microphone input. The technician should make sure that the USB headset is selected as the input device and that the volume level is appropriate. The technician can also test the microphone in different applications to see if the problem is specific to one application or not.
The other options are less likely to solve the problem, because:
*Connecting the headset to a different USB port may not make any difference if the device is already installed and recognized by the system.
*Checking the device's driver release date may not be relevant if the microphone was working before and no updates were installed recently.
*Increasing the speaker volume setting may not affect the microphone input at all, and may only make the audio playback louder.
For more information and tips on how to fix USB headset problems, you can visit these links:
*USB Headset Mic Not Working? Here Are All Possible Fixes - TechNorms
*Fix microphone problems - Microsoft Support
*USB Headset Not Working? Try These Fixes - Tech News Today
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