Which implementation uses both the legacy system and new system until all users verify that the new system functions correctly?
A) Parallel implementation
B) Plunge implementation
C) Pilot implementation
D) Phased implementation

Question

Quizplus · Accepted Answer

Parallel implementation involves running both the legacy system and the new system simultaneously until it is confirmed that the new system functions correctly. This approach allows users to verify the new system's functionality while still having the old system as a backup.

Which Implementation Uses Both the Legacy System and New System