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| Section | Weight | Objectives |
|---|---|---|
| Security | 25% | - Security practices
|
| Operating Systems | 31% | - Windows OS installation, configuration, and management
|
| Operational Procedures | 22% | - Professionalism and communication
|
| Software Troubleshooting | 22% | - Device and application troubleshooting
|
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NEW QUESTION # 250
A user reports that their device is overheating after recently installing several applications. They also notice several pop-ups. Which of the following should a technician do to troubleshoot this issue?
Answer: B
Explanation:
The correct answer is B. Run a malware scan on the device. The timing and symptoms point to malicious or unwanted applications: the device began overheating after several applications were installed, and pop-ups are appearing. Quentin Docter's Complete Study Guide explains that mobile devices can contract viruses or malware through malicious apps and that mobile malware commonly spams the device with ads from the Internet. It also recommends antivirus and antimalware protection for mobile devices. The All-in-One Exam Guide explains that mobile devices can overheat because of frozen apps, intensive tasks, large transfers, or other software-driven activity, and that unusual overheating should be investigated carefully. Restarting may temporarily reduce symptoms, and OS updates are important, but the combination of recently installed apps, overheating, and pop-ups makes malware scanning the best troubleshooting step. Hardware diagnosis would come later if software causes are ruled out.
NEW QUESTION # 251
Which of the following is a significant concern when using a vacuum to clean the inside of a PC?
Answer: B
Explanation:
Using a standard vacuum inside a PC can generate static electricity, creating a risk of electrostatic discharge. This discharge can damage sensitive electronic components such as the motherboard, memory modules, and expansion cards.
NEW QUESTION # 252
A user reports that their computer is running extremely slowly. They are also often redirected to unknown websites when attempting to access internal applications. The computer ' s antivirus software is outdated, and the user cannot access certain security-related settings. A network administrator confirms that all other workstations are operating normally, and network diagnostics show no issues. Which of the following should the administrator do next to troubleshoot these issues?
Answer: B
Explanation:
The combination of extreme slowness , browser redirection to unknown sites , outdated antivirus , and blocked access to security settings strongly indicates a malware infection localized to that device (especially since other workstations and network diagnostics are normal). Quentin Docter lists browser redirection as a common security symptom ("Your browser is redirected to websites") and stresses that if you experience even one of these security symptoms, you should "immediately rectify the security issue or quarantine the system ." In malware removal best practices, the first operational containment step after verifying symptoms is to isolate
/quarantine the infected system to prevent spread, credential theft, or further compromise. Disconnecting the device from the network accomplishes this containment so investigation (logs, scans, offline tools, safe mode, etc.) can be done without risking other systems. Clearing cache (B) is too narrow and doesn't address blocked security settings/outdated AV. Firewall checks (A) and raising settings (D) don't contain the threat and may be prevented by the malware itself. Therefore, the next step is to disconnect and investigate .
NEW QUESTION # 253
A user's new smartphone is not staying charged throughout the day. The smartphone charges fully every night. Which of the following should a technician review first to troubleshoot the issue?
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Background applications can significantly drain a smartphone's battery, even when the device is idle. A technician should first review which apps are running in the background and consuming power through the battery usage section of the OS. Disabling or restricting power-hungry apps often resolves poor battery life.
A: Storage usage doesn't significantly affect battery life.
B: End of software support is unrelated to battery performance unless it's causing inefficient processes, which would still be secondary.
C: Charger wattage affects charging speed, not battery life after charging.
Reference:
CompTIA A+ 220-1102 Objective 3.3: Troubleshoot common mobile OS and application issues.
Study Guide Section: Diagnosing battery and app performance issues on mobile devices
NEW QUESTION # 254
A user encounters an issue where documents used by multiple team members are out of sync.
Which of the following will best allow all users to make changes simultaneously?
Answer: B
Explanation:
The correct answer is C. Working from a browser-based productivity suite. The issue is not simply storage capacity or sync frequency; the users need simultaneous document collaboration.
Browser-based suites such as Microsoft 365 or Google Workspace allow multiple users to work on the same shared document in real time, reducing version conflicts and out-of-sync copies. The All-in-One Exam Guide explains that cloud file synchronization is often bundled with productivity suites such as Microsoft 365 and Google Workspace, and that this helps users collaborate or work on the same files from multiple devices without manually moving files around. The Mike Meyers/Mark Soper material also notes that mobile versions of major productivity applications such as Microsoft 365, Google Workspace, and Apple's iCloud-based apps can synchronize data across devices. Restricting permissions may prevent editing. Expanding storage does not solve simultaneous editing. Increasing sync frequency still risks conflicts between separate local copies.
NEW QUESTION # 255
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