Crucial Exams

CompTIA Linux+ XK0-005 Practice Question

A system administrator notices that a production server is experiencing significant slowdowns. Upon further investigation using the top command, it's observed that the I/O wait percentage is consistently above 30%. Considering that the server's disk activity is not excessively high, what could be a probable cause for the high I/O wait?

  • The I/O scheduler is configured for a single-threaded process, leading to a bottleneck.

  • The hard drive is failing, causing read/write operations to take longer than usual.

  • Insufficient memory available for buffer/cache leading to frequent disk access.

  • A misconfigured network firewall is limiting incoming connections.

CompTIA Linux+ XK0-005
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