Following best practices, formal plans for implementation of new information systems are developed during the:

Following best practices, formal plans for implementation of new information systems are developed during the:

A.
development phase.

B.
design phase.

C.
testing phase.

D.
deployment phase.

Explanation:
Planning for implementation should begin well in advance of the actual implementation date. A formal implementation plan should be constructed in the design phase and revised as the development progresses.