The systems development life cycle (sdlc) is the overall process of developing, implementing, and retiring information systems through a multistep approach—initiation, analysis, design, implementation, and use.

the system development life cycle (SDLC) is the overall process of developing, implementing, and retiring information systems through a multistep process—initiation, analysis, design, implementation, and maintenance to disposal.

Explanation:

There are several  SDLC models and each generally consists of a numbers of definite stages. For a given adopted SDLC model, information security and product services must be integrated in to the SDLC to ensure appropriate protection for the information that the system will transmit, process, and store.

1. a

2. a

3. d

explanation: