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Importance of Software Testing and 15 Top Most Questions and Answers For Software Testing Interview

    

Software testing is a process, to evaluate the functionality of a software application with an intent to find whether the developed software met the specified requirements or not and to identify the defects to ensure that the product is defect free in order to produce the quality product.

 

Also considering freshers, there various Job Opportunities in Software Testing. The only required things are basic knowledge of software testing and to crack the Job interview.

 

Software testing also helps to identify errors, gaps or missing requirements in contrary to the actual requirements. It can be either done manually or using automated tools.

 

TechRel India is 12+ year old institute from Pune also known as one of the best institute for best training .TechRel guides the students to achieve the best Job offers with ample numbers of best companies all over India.

 

15 TOP MOST QUESTIONS AND ANSWERS FOR SOFTWARE TESTING INTERVIEW:

   

1. What is Exploratory Testing?

 

Exploratory testing is a hands-on approach in which testers are involved in minimum planning and maximum test execution. The planning involves the creation of a test charter, a short declaration of the scope of a short (1 to 2 hour) time-boxed test effort, the objectives and possible approaches to be used. The test design and test execution activities are performed in parallel typically without formally documenting the test conditions, test cases or test scripts. This does not mean that other, more formal testing techniques will not be used. For example, the tester may decide to use boundary value analysis but will think through and test the most important boundary values without necessarily writing them down. Some notes will be written during the exploratory-testing session, so that a report can be produced afterwards.

 

2. What is "use case testing"?

 

In order to identify and execute the functional requirement of an application from start to finish "use case" is used and the techniques used to do this is known as "Use Case Testing"

   

3. What is the difference between STLC (Software Testing Life Cycle) and SDLC (Software Development Life Cycle) ?

SDLC deals with development/coding of the software while STLC deals with validation and verification of the software

 

4. What is trace-ability matrix?

 

The relationship between test cases and requirements is shown with the help of a document. This document is known as trace-ability matrix.

 

5. What is Equivalence partitioning testing?

   

Equivalence partitioning testing is a software testing technique which divides the application input test data into each partition at least once of equivalent data from which test cases can be derived. By this testing method it reduces the time required for software testing.

   

6. What is white box testing and list the types of white box testing?

   

White box testing technique involves selection of test cases based on an analysis of the internal structure (Code coverage, branches coverage, paths coverage, condition coverage etc.) of a component or system. It is also known as Code-Based testing or Structural testing. Different types of white box testing are

 

1. Statement Coverage

 

2. Decision Coverage

   

7. In white box testing what do you verify?

 

In white box testing following steps are verified.

 

1. Verify the security holes in the code

 

2. Verify the incomplete or broken paths in the code

 

3. Verify the flow of structure according to the document specification

 

4. Verify the expected outputs

 

5. Verify all conditional loops in the code to check the complete

  functionality of the application

 

6. Verify the line by line coding and cover 100% testing

   

8. What is black box testing? What are the different black box testing techniques? 

 

Black box testing is the software testing method which is used to test the software without knowing the internal structure of code or program. This testing is usually done to check the functionality of an application. The different black box testing techniques are

 

1. Equivalence Partitioning

 

2. Boundary value analysis

 

3. Cause effect graphing

   

9. What is the difference between static and dynamic testing?

 

Static testing: During Static testing method, the code is not executed and it is performed using the software documentation.

 

Dynamic testing: To perform this testing the code is required to be in an executable form.

   

10. What is verification and validation?

    

Verification is a process of evaluating software at development phase and to decide whether the product of a given application satisfies the specified requirements. Validation is the process of evaluating software at the end of the development process and to check whether it meets the customer requirements.

     

11. What are different test levels?

  

There are four test levels 

 

1. Unit/component/program/module testing 

 

2. Integration testing 

 

3. System testing 

 

4. Accepting test 

   

12. What is Integration testing?

   

level of software testing process, where individual units of an application are combined and tested. It is usually performed after unit and functional testing.

    

13. What are the tables in testplans?

 

Test design, scope, test strategies , approach are various details that Test plan document consists of. 

1. Test case identifier

 

2. Scope

 

3. Features to be tested

 

4. Features not to be tested

 

5. Test strategy & Test approach

 

6. Test deliverables

 

7. Responsibilities

 

8. Staffing and training

 

9. Risk and Contingencies

 

14. What is the difference between UAT (User Acceptance Testing) and System testing?

 

System Testing: System testing is finding defects when the system under goes testing as a whole, it is also known as end to end testing. In such type of testing, the application undergoes from beginning till the end.

 

UAT: User Acceptance Testing (UAT) involves running a product through a series of specific tests which determines whether the product will meet the needs of its users.

   

15. Mention the difference between Data Driven Testing and Retesting?

   

Retesting: It is a process of checking bugs that are actioned by development team to verify that they are actually fixed.

   

Data Driven Testing (DDT): In data driven testing process, application is tested with multiple test data. Application is tested with different set of values.

 

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