|A company has already deployed a WLAN network, and all APs have carried WLAN services. The company now needs to upgrade the AP version. In order to minimize the impact on users, which of the…

Question

Options

• AAutomatic AP upgrade
• BUpgrade AP online
• CUpgrade the AP through the AP web system
• DUpgrade AP through AP Boot

• A
  3% (1)
• B
  76% (25)
• C
  6% (2)
• D
  15% (5)

Explanation

Upgrading AP online (B) is the recommended method because it allows the upgrade to occur while the APs remain in service, performing a hitless or rolling upgrade that keeps users connected and minimizes disruption to live WLAN traffic.

Option A (Automatic AP upgrade) is not ideal here because automatic upgrades typically apply to all APs simultaneously or on a fixed schedule, risking a mass reboot/outage across the entire WLAN at once - the opposite of minimizing impact.

Option C (AP web system) requires manually accessing each AP's individual web interface, which is time-consuming, does not scale across a large deployment, and still takes each AP offline during the process.

Option D (AP Boot) requires the AP to enter boot mode to receive the firmware, meaning the AP is fully offline and non-functional for users during the entire upgrade - the most disruptive option.

Memory tip: Associate "online" with "in-service" - just like online shopping keeps the store open 24/7, an online upgrade keeps the AP serving users throughout the process. If the AP must reboot or enter a special mode to upgrade, users lose connectivity; online upgrade avoids exactly that.

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