Crucial Exams

CompTIA Server+ SK0-005 Practice Question

A Linux-based web application server suddenly stops writing to its access logs, and some POST requests return HTTP 500 errors. The administrator checks disk usage and sees the following:

Filesystem                 Size  Used Avail Use% Mounted on
/dev/mapper/vg00-root       40G   40G     0G 100% /
tmpfs                       2G    12M     2G   1% /run
/dev/sda1                 500M    80M   420M  16% /boot

Which storage-related cause is MOST likely responsible for the service interruption?

  • The RAID controller's cache battery is forcing all writes to bypass cache, slowing I/O.

  • Swap space is exhausted, causing the kernel to terminate logging processes.

  • Insufficient free space on the /boot partition is blocking kernel modules from loading.

  • The root filesystem has reached 100 % capacity, preventing new writes.

CompTIA Server+ SK0-005
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