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Users are complaining that the audio from a presenter is choppy and unintelligible Which of the following is causing the issue?
Answer : D
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.
A customer reports a problem connecting to network resources. After asking open-ended questions, the technician determines the issue likely exists on the remote server. Which of the following should the technician do next?
Answer : B
After determining the issue is likely on the remote server, the technician should test the theory to confirm the root cause before proceeding.
Why Not A (Document the findings): Documentation comes after confirming the issue.
Why Not C (Gather information): Information gathering is already completed.
Why Not D (Establish a plan of action): This is done after confirming the issue.
CompTIA A+ Exam Reference: Core 2 (220-1102), Section 3.1, troubleshooting methodology.
An SAS RAID array has severely degraded and gone offline A systems administrator examines the syslog, and the point of failure is not obvious. Which of the following techniques should the administrator use to identify the issue (Select two).
Answer : C, F
Clicking and grinding noises indicate mechanical drive failure.
SMART data provides insights into the health and status of drives, helping identify failing components in the RAID array.
Why Not A (Run a magnet): This would damage drives.
Why Not B (Check if one drive is not level): Physical leveling is irrelevant.
Why Not D (Check OS logs): OS logs may provide limited information for RAID arrays.
Why Not E (Update RAID controller firmware): While important, it does not diagnose drive failure.
CompTIA A+ Exam Reference: Core 1 (220-1101), Section 3.3, storage troubleshooting.
A user is experiencing multiple issues with an in-place upgrade of a laptop's operating system. The built-in camera is unresponsive, and the user is unable to pair the device with any Bluetooth accessories. Which of the following ate most likely causing three issues? (Select two).
Answer : C, E
Outdated drivers: Device functionality issues after an OS upgrade are often caused by incompatible or outdated drivers.
Disabled settings: Some features may be disabled during the upgrade process, requiring re-enablement.
Why Not A (Incorrect configuration): This is unlikely given the issues arose only after the upgrade.
Why Not B (OS and device incompatibility): Upgrades check for compatibility before installation.
Why Not D (Full storage): Storage issues typically prevent installation, not device functionality.
Why Not F (Corrupted registry entries): While possible, this is less common than the selected answers.
CompTIA A+ Exam Reference: Core 1 (220-1101), Section 3.5, troubleshooting OS upgrades.
Which of the following is a benefit of using a VLAN?
Answer : D
A VLAN (Virtual Local Area Network) segments a physical network into separate logical networks, enhancing security by isolating traffic.
Why Not A (Minimizes collision domains): VLANs manage broadcast domains, not collision domains.
Why Not B (Provides private access to cloud resources): VLANs operate within a local network, not cloud-specific.
Why Not C (Increases network address space): VLANs do not affect address space.
CompTIA A+ Exam Reference: Core 1 (220-1101), Section 2.6, VLAN concepts.