The objective of the Change Management process is most accurately described as?
a) Ensuring that all Changes are recorded, managed, tested and implemented in
a controlled manner
b) Ensuring that Changes to IT infrastructure are managed efficiently and
effectively
c) Ensuring that all Changes have appropriate back-out plans in the event of
failure
d) Protecting services by not allowing Changes to be made

答案是哪个，大家帮忙分析下~

A

A吧

答案：a

A
SO 78页描述如下：
The objective of the Change Management process is to ensure that changes are
recorded and then evaluated, authorized, prioritized, planned, tested,
implemented, documented and reviewed in a controlled manner.
对Ｂ的解释可在８１页找到：
Change Management is not viewed as bureaucratic, but is instead the only safety
net preventing them from becoming a low-performer. In other words, IT
management owns the controls to achieve its own business objectives, efficiently
and effectively.