In of the implementation phase of the systems development life cycle (sdlc), as each module of a new system is converted, the corresponding part of an old system is retired.

a. parallel conversion
b. plunge conversion
c. pilot conversion
d. phased-in-phased-out conversion

Plunge conversion

Explanation:

plunge conversion in SDLC, stand for system development life cycle, is a conversion where main focus is on new system. In plunge conversion, old system is replaced by new system. it is less time consuming and cost effective.

The four main conversion strategy in SDlC are

1- Parallel conversion

2 - Plunge conversion

3 - Pilot conversion

4 - Phased conversion

concurrent jurisdiction is the ability to exercise judicial review by different courts at the same time, within the same territory, and over the same subject matter. for instance, a domestic violence matter may be heard in either a general civil court or a family court in the same county. whichever court actually exercises its jurisdiction first will do so exclusively.