A switch vendor recently released a patch to fix a critical vulnerability found in its switch OS.
Which of the following should a network administrator do NEXT according to best practices?
A . Test the patch in a test environment.
B . Put the patch into production immediately.
C . Put the patch into production with a rollback plan.
D . Choose a single production switch and pilot the patch.
E . Put the patch into production at the next maintenance window.
Answer: A