What is the command to check the system version running on the AP?

Question

Options

• Adisplay ap all
• Bdisplay ap-run-info id x (x is the ID number of the AP)
• Cdisplay ap version id x (x is the ID number of the AP)
• Ddisplay ap update all

• A
  8% (3)
• B
  74% (29)
• C
  13% (5)
• D
  5% (2)

Explanation

Option B is correct because display ap-run-info id x retrieves the runtime information for a specific AP identified by its ID number, which includes the system version currently loaded and running on that device. Option A (display ap all) only lists all connected APs with basic status details, not version specifics. Option C (display ap version id x) follows intuitive logic but is not a valid command in this CLI - the correct keyword is ap-run-info, not ap version. Option D (display ap update all) relates to checking the firmware update status across all APs, which is about upgrades rather than the current running version.

Memory tip: Associate "run-info" with "what is running right now" - if you need to know the version an AP is actively running, you query its run-info. The ID parameter reminds you that this is a targeted, per-device lookup.

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