Scenario: A network engineer is managing a NetScaler environment that has two NetScaler
devices running as a high availability pair. The engineer must upgrade the current version
from NetScaler 9 to NetScaler 10. Which action must the engineer take?

A.
Upgrade the primary node and perform HA sync.

B.
Upgrade the secondary node and then upgrade the primary node.

C.
Upgrade the primary node and then upgrade the secondary node.

D.
Break the high availability pair, upgrade each NetScaler device, and then reconfigure
high availability.

Explanation: