16+ practice questions focused on Operating Systems — one of the most tested topics on the CompTIA A+ Core 2 220-1202 exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Operating Systems PracticeA technician is preparing a Windows 11 workstation to run an application that requires hardware virtualization support. The workstation has a compatible CPU, but the application reports that virtualization is not enabled. The technician needs to enable the necessary firmware settings. Which two actions should the technician take? (Choose two.)
Explanation: Enabling hardware virtualization requires both turning on the CPU virtualization extension in UEFI/BIOS and ensuring the CPU supports it and that no policy blocks it. The firmware setting is the direct control, while verifying support and policy prevents wasted effort if the feature cannot be activated. Other options either disable unrelated features or address different subsystems.
A user reports that their Windows 10 desktop is running very slowly, and they see frequent hard drive activity even when no applications are open. The computer has 4 GB of RAM and a traditional hard disk drive. Which Windows tool should you use to determine whether the system is using the page file excessively due to insufficient RAM?
Explanation: Performance Monitor is the correct tool because it can track specific counters like Memory\Pages/sec and Paging File\% Usage, which directly measure page file activity. These counters reveal whether the system is thrashing due to low RAM. Other tools either lack the necessary detail or serve different purposes entirely.
A user reports that their Windows 11 laptop's battery drains quickly and the fan runs constantly, even when idle. Task Manager shows a process named 'Service Host: SysMain' using high CPU. The user asks if they can disable this service to improve performance. What should you advise?
Explanation: The correct advice is that SysMain can be disabled, especially on systems with SSDs, to reduce resource usage, but it may affect performance. It is not essential, nor is it legacy. Disabling it is a valid troubleshooting step if it causes high CPU or disk usage, but the user should understand the trade-offs.
A technician is preparing a new Windows 11 installation for a small office. The office uses a local printer shared from a Windows 11 workstation. The technician wants to ensure that other Windows 11 computers on the same network can automatically discover and install the shared printer without manual driver installation. Which Windows feature should the technician enable on the workstation sharing the printer?
Explanation: To enable automatic driver installation for a shared printer, the technician must share the printer and add additional drivers for the client architectures in use. This makes the drivers available to clients when they connect, so they can install the printer without manual driver steps. Network discovery and file and printer sharing are necessary for connectivity but do not provide the drivers themselves, and Point and Print Restrictions would limit installation.
A user reports that their Windows 11 laptop takes several minutes to reach the desktop after signing in, and the desktop icons and taskbar appear one by one. No error messages are displayed. You open Task Manager and see that disk usage is at 100% for several minutes after logon. Which Windows tool should you use first to identify the specific startup program causing the delay?
Explanation: Task Manager's Startup tab is the built-in tool that specifically lists programs set to run at logon and provides an impact rating based on resource usage. Since the symptom is slow logon with high disk usage, checking this tab lets you quickly identify and disable the offending startup app. Other tools are either too broad or focus on the wrong object.
+11 more Operating Systems questions available
Practice all Operating Systems questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of Operating Systems. This tells you whether you need a concept refresher or just practice.
2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Operating Systems questions on the 220-1202 frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Operating Systems is tested as part of the CompTIA A+ Core 2 220-1202 blueprint. Practicing with targeted Operating Systems questions ensures you can handle any format or difficulty that appears.
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Difficulty is subjective, but Operating Systems is a high-priority exam concept tested in multiple ways — direct recall, scenario analysis, and command-output interpretation. Consistent practice is the best way to build confidence.
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