VMware Carbon Black Cloud Professional (2021) — Question 74

An administrator needs to upgrade a Unified Access Gateway (UAG) appliance. The UAG is connected to a load balancer with other UAGs and has existing sessions.
Which option provided allows zero downtime for maintenance?

Answer options

• A. Power off the UAG appliance.
• B. Remove the Horizon Connection Server thumbprint in the UAG Admin UI.
• C. Suspend the UAG appliance.
• D. Enable Quiesce Mode in the UAG Admin UI.

Correct answer: D

Explanation

Enabling Quiesce Mode in the UAG Admin UI allows the appliance to enter a state where it can undergo maintenance without terminating existing sessions, thereby ensuring zero downtime. The other options involve turning off or suspending the appliance, which would disrupt ongoing sessions and result in downtime.