A Vendor Has Released an Update Pack for the Virtualization

Multiple Choice

A vendor has released an update pack for the virtualization servers used by a company. The systems administrator has been directed to deploy the update pack following proper change management procedures. Which of the following BEST reflects the order of actions the administrator should follow?

A) Install the update pack on the test virtualization cluster. Notify the client to conduct testing. Install the update pack on the production virtual cluster. Confirm proper operation of the production servers.
B) Notify the client to conduct testing. Install the update pack on the test virtualization cluster. Confirm proper operation of the production servers. Install the update pack on the production virtual cluster.
C) Confirm proper operation of the production servers. Deploy the update pack on the test virtualization cluster. Install the update pack on the production virtual cluster. Notify the client to conduct testing.
D) Install the update pack on the test virtualization cluster. Confirm proper operation of the production servers. Install the update pack on the production virtual cluster. Notify the client to conduct testing.