NGFW-ENGINEER · Question #35
After upgrading PAN-OS, which action is recommended to ensure that all features function correctly?
The correct answer is C. Verify and, if necessary, update content and application signatures. After a PAN-OS upgrade, the operating system version may outpace the installed content packages (App-ID signatures, Threat signatures, URL categories, etc.). These content and application signature databases are versioned separately from PAN-OS itself. If they are outdated…
Question
After upgrading PAN-OS, which action is recommended to ensure that all features function correctly?
Options
- AReboot the firewall multiple times.
- BReset all configurations to default.
- CVerify and, if necessary, update content and application signatures.
- DDisable and re-enable all interfaces.
How the community answered
(29 responses)- B3% (1)
- C93% (27)
- D3% (1)
Explanation
After a PAN-OS upgrade, the operating system version may outpace the installed content packages (App-ID signatures, Threat signatures, URL categories, etc.). These content and application signature databases are versioned separately from PAN-OS itself. If they are outdated relative to the new PAN-OS version, features like App-ID identification, threat prevention, and URL filtering may not work correctly or may miss new application/threat definitions. The recommended post-upgrade step is to verify the installed content versions and update them if necessary. Rebooting multiple times, resetting configurations, or toggling interfaces are not standard post-upgrade recommendations and could cause disruption.
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