An organization plans to update the firmware on its primary network security appliances during an upcoming maintenance window. To ensure system operations can be restored promptly if the new firmware encounters a critical fault, which of the following actions should be completed immediately before starting the installation?
- Create and verify a full configuration backup and system state snapshot of the active appliances.Cevap
- BPush the firmware image simultaneously to all primary and secondary redundant appliances to minimize overall downtime.
- CPerform an incremental restore of previous system settings over the live device while the installation process runs.
- DTemporarily downgrade management logging protocols from SNMPv3 to SNMPv1 to reduce CPU overhead during the reboot.
Cevap
Create and verify a full configuration backup and system state snapshot of the active appliances.
In standard network patch management procedures, creating and validating a full configuration backup and system state snapshot prior to applying firmware updates is mandatory. This establishes an authoritative baseline and guarantees that administrators can execute a rollback plan if the patch causes instability.
Adım Adım Çözüm
Anahtar Kavram
Pre-Patch Baseline and Rollback Preparedness