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Software Testing Interview Questions & Answers - Learning Mode

Software Testing Interview Questions & Answers - Learning Mode

Software testing is a process of executing a program or application with the intent of finding the software bugs. It can also be stated as the process of validating and verifying that a software program or application or product: Meets the business and technical requirements that guided it?s design and development. Works as expected. Can be implemented with the same characteristic.

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Software Testing Interview Questions & Answers - Learning Mode
Try Software Testing Interview Questions & Answers - Exam Mode
Question: Have you ever completely tested any part of a product? How?

Answer: It is not possible to test any product completely.

We can test major funcitionalities of the application which are most visible to user and critical parts in the product. Source:
Question: What are the 5 points of the difference between configuration testing and compatibility testing?
What is S-graph

Answer: Compatibility: -The suitability of products, processes or services for use together under specific conditions to fulfill relevancy requirements without causing unacceptable interactions.

Configurability:- The degree to which system design characteristics and planned logistics resources including manpower.It specifies how a System works on different configurations Source:
Question: Describe to me when you would consider employing a failure mode and effect analysis.

Answer: failure: failure means "the fact of somenthing expected not being done."

that means the application peforms actions against the requirements.

effect means " a change caused by mething"

effect analysis: since application not perform actions according to the requirements we have to analyse the effect. i.e; where the application deviates from it's requirements and cause for that one. Source:
Question: What are the key challenges of testing?

Answer: Following are some challenges while testing software

1.Requirements are not freezed.

2.Application is not testable.

3.Ego problems.

4.Defect in defect tracking system

5.Miscommunication or no Communication

6.Bug in software development tools.

7.Time pressures Source:
Question: what is the difference b/w system testing and functional testing


Functional Testing

Testing the features and operational behavior of a product to ensure they correspond to its specifications. Testing that ignores the internal mechanism of a system or component and focuses solely on the outputs generated in response to selected inputs and execution conditions. Functional Testing Black-box type of testing geared to functional requirements of an application. Testers should perform this type of testing.

System Testing
Question: When should testing be stopped?

Answer: When the test manager is confident that the application will perform as expected in the production environment. This confidence is derived by analysis conducted on:

a)Deadlines (release deadlines, testing deadlines, etc.) are met
b)Test cases completed with certain percentage passed
c) Test budget depleted
d) Coverage of code/functionality/requirements reaches a specified point
e) Meantime between failures
f)Risks associated with continuing to test
g) Percent Source:
Question: What is the difference between System Testing and End-To-End Testing. Give at least 2 Examples.

Answer: System testing is the testing system as the whole t.e. system is working fine.end to end testing is the testing of system from requirement specification to the delivery of phase. Source:
Question: What is difference between Authentication and Authorization?

Answer: Authentication-->Checking the validity.Ex:A creditcard validation by Verisign.It is called authenticating the CreditCard

Authorization-->Giving some rights -Ex:I authorize mr.Rahul to sign some papers realted with my bank accounts Source:
Question: What are the roles of glass-box and black-box testing tools?

Answer: Black-box testing: It is not based on knowledge of internal design or code.Tests are based on requirements and functionality.

Black box testing is used to find the errors in the following

1) Interface errors

2) Performance errors

3) Initialization errors

4) Incorrect or missing functionality

5) Errors while accessing external database

Glass-box testing: It is based on internal design of an application code.Tests are based on path coverage,branch c Source:
Question: What is difference between Defect Age & Build Interval Period?

Answer: Defect Age : The time of introduction of defect to time of detection. To compute the measurement one assigns a number to each software development life-cycle phase and calculates difference between detection phase with introduction phase (i.e. "analysis" can be assigned a 1, "design" a 2, "coding" a 3, etc. for computation of defect age).

Build interval period: this is the time taken to build newer version of the application and older version.
Question: How do you test if you have minimal or no documentation about the product?

Answer: this type of testing conducting who knows the domain knowledge,frame work,use cases, this type of testing conduting ad-hoc testing,sanity testing Source:
Question: Have you done exploratory or specification-driven testing?

Answer: Exploratory testing is a type of testing a product without Requirement specifications, Design Specifications, etc.
Question: What is base lining?

Answer: Baselining :Process by which the quality and cost effectiveness of a service is assessed, usually in advance of a change to the service. Baselining usually includes comparison of the service before and after the Change or analysis of trend information. The term Benchmarking is normally used if the comparison is made against other enterprises.

For example :If the company has different projects.For each project there will be seperate test plans.This test plans should be accepted by peers Source:
Question: What sort of things would you put down in a bug report?

Answer: The bug report contains following elements
these are
1.bug description
2.founded by
3.severity of the bug
4.status of the bug which feature/module detected.
6.comments if bug deffered. Source:
Question: When have you had to focus on data integrity?

Answer: As a testengineer i will focus on data integrity conducting backend coverage of application build during Functionality testing Source:
Question: what is the difference between frs (functional requirement specification) and
srs (software requirement specification) ?

Answer: FRS(Functional Requirement Specification) specifies the flow of work and features of the application

SRS (system)software Requirement Specification means it specifies the S/W and H/W requirements of the application that is to be proposed. Source:
Question: What is the difference between SRS(System requirement specification) and BRS(Business requirement specification)?

Answer: SRS is developed by the developer from the BRDor BRS that is given by client

SRS specifies

system requirments,screen shots of application,field level validation datas like datatype of fields

BRS specifies the client requirments it will be in a more general terminology ie oriented more toward business of the client

normally SRS is used of intergration and system testing

BRS or BRD(business requirment document) is normally used for UAT(user acceptance test Source:
Question: What methodologies have you used to develop test cases?

Answer: There are mainly 3 methods to Design a test case..

1) Error Guessing ( May not be a Official Process )

2) Equivalence Partitioning

a) If the input is a Set of Value then take 1 valid and 2 invalid values

b) If the input is a Range of Values then take 1 valid and 2 invalid values

c) If the input is Boolean value then test for both True and False values

d) Lastly Devide the whole range of input values in to some equal part and

ta Source:
Question: How do you test if we have minimal or no documentation about the product?

Question: How do you get programmers to build testability support into their code?

Answer: The programers should add comment attached with their code

for a white box tester ... as for products the source code will be changed as per requirements and developers or testers who follow them should understand the logic of code easily

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