A Non-Critical Vulnerability Has Been Identified by a Linux Vendor

Multiple Choice

A non-critical vulnerability has been identified by a Linux vendor, who has released a patch and recommends that it be applied immediately. Which of the following is the BEST plan for the cloud administrator to install the patch?

A) Schedule an emergency maintenance window and deploy the patch to servers in production.
B) Deploy the patch to the failover cluster and force a failover to the patched environment.
C) Deploy the patch to half of the servers in production and monitor for any issues.
D) Deploy the patch to the development and QA environments and request a functional test review.