A group of activities within Release Management is roll-out, distribution and installation. What should be ensured as part of these activities?

A.
Changes are scheduled based upon priority and risk.

B.
Contingency and back-out plans are available.

C.
Redundant products, services and licenses are decommissioned.

D.
The Release is tested to the satisfaction of the Customers.

Explanation:
A: Incorrect. This is part of Change Management as opposed to Release Management.
B: Incorrect. This is part of the documentation procedure, not of the roll-out, distribution and installation.
C: Correct. This is a best practice according to the standard.
D: Incorrect. This is part of Release verification and acceptance.