An administrator needs to upgrade their QRadar environment. The administrator has downloaded the Patchupdate File from Fixcentral and transferred this Image to the Appliance. Which commands does the…

Question

Options

• A
  1. cd/medial/updates
• B
  1. mount -o loop -t squashfs XX_patchupdate.sfs /media/updates
• C
  1. cd /media/updates
• D
  1. patch XX_patchupdate.sfs

• A
  4% (1)
• B
  75% (21)
• C
  14% (4)
• D
  7% (2)

Explanation

Option B is correct because QRadar patch update files use the .sfs (SquashFS) format - a compressed, read-only filesystem image. Before the upgrade process can access the update contents, the image must be mounted as a loop device using mount -o loop -t squashfs, which makes the update files available at /media/updates where QRadar expects them.

Why the distractors fail:

• A contains a typo (/medial/ instead of /media/) and merely changing directories never initiates an upgrade regardless.
• C has correct spelling but the same flaw - cd only navigates to a directory; it performs no action on the patch file itself.
• D uses the Linux patch command, which applies text-based diff files to source code - it has no ability to handle binary .sfs filesystem images.

Memory tip: Think "SFS = mount before you run" - unlike a simple .tar or .rpm, a SquashFS file is a virtual filesystem, so the OS must mount it (loop-back style) before anything inside becomes accessible. If you see .sfs on QRadar, your first command is always mount.

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