sdlc models

Software Development Life Cycle Models Interview Questions

1) What is the difference between SDLC and STLC?

STLC or Software Test Process is a part of SDLC

Software Development Life Cycle involves the complete Verification and Validation of a Process or a Project.

Whereas Software Testing Life Cycle involves only in Validation.

STLC or Software Test Process is a part of SDLC

Software Development Life Cycle involves

a) Requirements Gathering and Base line

b) Analysis & Planning

c) Software Design (High level & Low Level)

d) Coding / Implementation

e) Testing

f) Release & Maintenance


Where as Software Testing Life cycle involves.

a) Test Planning
b) Test Analysis & Design
c) Test Implementation & Execution
d) Evaluating exit criteria
e) Test Closure


2) What are the different software development models?

a) Waterfall model

b) V Model

c) Prototype Model

d) Spiral Model

e) Agile Models

f) RUP (Rational Unified Process)
Etc...

3) Why Software Development Life Cycle Model is important to develop Software Application?

It is a systematic approach to develop software Application, we follow SDLC Models in order to improve the Quality.

4) What is Waterfall Model?

Waterfall Model is one of the most widely used Software Development Process. It is also called as Linear Sequential model. It is widely used in the commercial development projects . It is called so because here, we move to next phase(step) after getting input from previous phase, like in a waterfall, water flows down to from the upper steps.

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