INTERVIEW QUESTIONS TESTING SOFTWARE DEVELOPMENT LIFE CYCLE DETAILS

Question: For SDLC model,for V-model why shape is'V' and not <,> or any other shape.what is the difference between V and VV model.

Answer: v stands for verification+validation

v stands for verification+validation Source: CoolInterview.com

"v" v stands for verification and validation simultanious process of both testing and development will undergoes .verification is nothing but whitebox testing where as validation is nothing but black box testing
Source: CoolInterview.com

The shape is V because it moves from top to bottom and then again moves upward.
1) Starts with requirement analysis, based on which plan for user acceptance tesing is prepared
2) then Functional design is made based on which plan for system testing is prepared
3) Technical Design is done based on which Integration testing plan is prepared
4) Component Design is done based on which plan for unit testing is prepared.
5) Finally coding is done
After coding we moves upwards towards executing all test plans in order... Unit Testing, Integration Testing, System Testing, and User acceptance testing

REquirement UAT
Functional design SystemTest
Technical Design Integr Test
Component Design UNIT TESTING
CODING
Source: CoolInterview.com

STLC is Software Test Life Cycle and SDLC is whole Software
Development Life Cycle.

STLC is software test life cycle it starts with
1. preparing the test strategy
2. preparing the test plan
3. creating the test environment
4. writing the test cases
5. creating test scripts
6. executing the test scripts
7. analysing the results and reporting the bugs
8. doing regression testing
9. test exiting


SDLC is software or system development life cycle

phases are...
1. project initiation
2. requirement gathering and documenting
3. designing
4. coding and unit testing
5. integration testing
6. system testing
7. installation and acceptance testing
8. support or maintenance
Source: CoolInterview.com

V-model is also like waterfall model,in water fall model we follow sequential process, but in v-model the flow bent upwards after coding.
v-model demonstrates the relation ship between each phase of the development phase and its associated testing phase. Source: CoolInterview.com

STLC--Software testing life cycle
It has the following stages
1. Test plan
2. Test Strategy
2. RTM preparation
3. Test cases and test scenario preparation
4. Test cases and scenarios execution
5. Bug report preparation
6. Test report preparation

SDLC-- Software Development Life Cycle
It has the following stages
1.Requirement gathering analysis
2.Planning and estimation
3.Designing
4.coding
5.Build generation and deployment
6.Testing
7.Implementation
8.Maintainence
Source: CoolInterview.com

STLC--Software testing life cycle
It has the following stages
1. Test plan
2. Test Strategy
2. RTM preparation
3. Test cases and test scenario preparation
4. Test cases and scenarios execution
5. Bug report preparation
6. Test report preparation

SDLC-- Software Development Life Cycle
It has the following stages
1.Requirement gathering analysis
2.Planning and estimation
3.Designing
4.coding
5.Build generation and deployment
6.Testing
7.Implementation
8.Maintainence
Source: CoolInterview.com

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