What are the phases of the Software Development Life Cycle?
A fundamental question about the SDLC stages and their sequence.
Why Interviewers Ask This
SDLC is the framework for all software projects. Knowing the phases shows the candidate understands the structured approach to development. It is a baseline expectation for any software engineer.
How to Answer This Question
List the standard phases: Planning, Analysis, Design, Implementation, Testing, Deployment, Maintenance. Briefly describe the purpose of each. Mention that Agile modifies this linear flow. Emphasize quality assurance at every stage.
Key Points to Cover
- Standard phases listed
- Purpose of each phase
- Iterative vs linear models
- Quality focus
- Maintenance importance
Sample Answer
The SDLC consists of six main phases: Requirement Analysis, System Design, Implementation, Testing, Deployment, and Maintenance. Requirement Analysis gathers user needs, while Design creates the architecture. Implementat…
Common Mistakes to Avoid
- Skipping a phase
- Confusing Design with Implementation
- Ignoring the Maintenance phase
- Not mentioning Agile variations
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