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Difficulty: MediumPatch Management and Software Maintenance

A network administrator receives a high-severity security bulletin requiring a critical firmware update on the organization's core switches. To adhere to standard patch management procedures and minimize operational risk, which of the following actions should the administrator perform FIRST before deploying the patch to the production environment?

  1. Test the firmware update in a lab or staging environment to verify system stability and compatibility.Answer
  2. B
    Apply the firmware update directly to all production switches during non-business hours without staging.
  3. C
    Implement the patch across the production network while skipping baseline configuration backups to save maintenance window time.
  4. D
    Revert the core switches to factory default settings prior to pushing the new firmware binary.

Answer

Testing the firmware update in a lab or staging environment to verify system stability and compatibility.
The correct action is testing the firmware update in a lab or staging environment first. Staging validates that the patch functions as intended without causing unexpected crashes, interface failures, or protocol instability on production hardware.

Step-by-Step Solution

1
Identify the patch management lifecycle steps.
Recognize that patch management involves discovery, testing/staging, approval, deployment, and auditing.
Structured patch management prevents production downtime.
2
Evaluate initial deployment requirements prior to production release.
Determine that staging/lab testing must precede any live deployment.
Lab testing verifies that the firmware update does not introduce unforeseen software bugs or configuration conflicts.

Key Concept

Patch Management Testing and Staging Procedures
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Topics

Patch Management and Software Maintenance

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