Making sure that the data is accessible when and where it is needed is which of the following?

A.
Confidentiality

B.
Integrity

C.
Acceptability

D.
Availability

Explanation:
This is one of the pillars of network security. We can say that the data is available if
we can access to it when we need it. This what is referred in the question, Availability refers to get
access to data when and where you need it. Confidentiality deals with encryption and data
protection against third party interception. Integrity deals with digital signatures and assures that
the data has not changed. Acceptability is not a related term.