220-1102 Practice Question: A technician has received approval from the…

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

Answer analysis

Why the other options are wrong

Understanding why incorrect options are tempting is as important as knowing the correct answer.

• ✗

  Notify all users that the server will be offline.

  While communication is important, it is not the most critical technical step before patching.

• ✗

  Disable the antivirus software to prevent conflicts.

  Disabling antivirus can increase risk during the patching process; it is generally not recommended unless specified by the vendor.

• ✗

  Test the patch on a non-production server first.

  Testing is important but the CAB approval may already include testing; the immediate step before applying to production is to ensure a rollback option.

Technical deep dive

How to think about this question

Before applying any significant change, especially a critical security patch to a production server, ensuring a robust recovery mechanism is paramount. A full backup of the server's data, operating system, and applications creates a complete snapshot of the system in its stable, pre-patch state. This backup serves as the ultimate safety net: if the patch introduces unforeseen compatibility issues, system instability, data corruption, or prevents the server from booting, the technician can restore the server to its exact condition before the patch was applied. This capability minimizes potential downtime, prevents data loss, and significantly reduces the business impact of a failed patch. Given that this is a production file server, any disruption or data integrity issue could have severe consequences for the organization, making the ability to revert to a known good state the most critical immediate technical safeguard. While other steps are important within the broader change management process, they do not offer the same level of immediate technical recovery. Notifying users (Option A) is crucial for communication and managing expectations, but it doesn't provide a technical solution if the patch fails. Disabling antivirus software (Option C) is generally ill-advised; antivirus protects the system, and disabling it could expose the server to threats during the patching process, unless specifically instructed by the patch vendor, which is rare. Testing the patch on a non-production server (Option D) is an essential step that *should* occur much earlier in the change management lifecycle, typically *before* seeking CAB approval for production deployment. The question asks for the *most important step before applying the patch* to production, implying that prior testing and CAB approval have already taken place. Even with successful testing, unique factors in a live production environment can sometimes lead to unexpected issues, making a current backup the indispensable final line of defense for immediate recovery.

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