CompTIA
220-802 · Question #154
220-802 Question #154: Real Exam Question with Answer & Explanation
The correct answer is D: Task Manager. Task Manager provides real-time visibility into CPU, memory, disk, and network utilization, making it the best tool to identify performance bottlenecks on a slow PC.
Question
A PC is running slower than usual. Which of the following tools would BEST diagnose the possible bottleneck?
Options
- ACHKDSK
- BDevice Manager
- CTask Scheduler
- DTask Manager
Explanation
Task Manager provides real-time visibility into CPU, memory, disk, and network utilization, making it the best tool to identify performance bottlenecks on a slow PC.
Common mistakes.
- A. CHKDSK scans for file system corruption and bad sectors; it reports disk integrity issues but does not display real-time performance metrics or identify active bottlenecks.
- B. Device Manager shows hardware devices and their driver status and is used to diagnose driver conflicts, not runtime performance bottlenecks.
- C. Task Scheduler manages automated tasks and their schedules and has no functionality for monitoring or diagnosing live system performance.
Concept tested. Using Task Manager to identify system performance bottlenecks
Reference. https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/taskmgr
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