TCS Senior QA Engineer -Software Testing Interview Questions and Answers

Q1. Testing concepts, workflow, decision making
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Q2. Java Coding, SQL and debugging , automation testing, reporting
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Q1. SQL query with join
Ans. 
SQL query with join
• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table in the SELECT statement

• Use ON keyword to specify the join condition
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Q1. SQL query with join
Ans. 
SQL query with join
• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table

• Use ON keyword to specify the join condition
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Q1. HR Round for Company review & offer
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Q1. What is test NG annotation, Can you define priority 0
Ans. 
TestNG annotation is used in TestNG framework to provide additional information about test methods or classes.
• TestNG annotations are used to control the execution flow of test methods.

• They can be used to set the priority of test methods, define dependencies, configure test groups, etc.

• Examples of TestNG annotations include @Test, @BeforeMethod, @AfterMethod, @DataProvider, etc.
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Q1. What pojo ,testNG.xml
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POJO stands for Plain Old Java Object, which is a Java class used to represent data. TestNG.xml is an XML file used to configure TestNG tests.
• POJO is a simple Java class that encapsulates data and provides getter and setter methods.

• TestNG.xml is used to define test suites, test cases, and test configurations for TestNG framework.

• POJO and TestNG.xml are commonly used in QA testing to define and manage test data and test
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Q1. What's QA process
Ans. 
QA process is a systematic approach to ensure the quality of a product or service through testing and analysis.
• Identifying requirements and creating test cases

• Executing test cases and reporting defects

• Regression testing to ensure fixes do not introduce new issues

• Continuous improvement through feedback and analysis
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Q2. What tools have u used
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Q1. Do you have Telecom OSS/BSS knowledge
Ans. 
Yes, I have Telecom OSS/BSS knowledge.
• I have experience working with Telecom Operations Support Systems (OSS) and Business Support Systems (BSS).

• I am familiar with network management, service provisioning, and billing systems in the telecom industry.

• I have worked with tools like NetCracker, Amdocs, and Ericsson OSS/BSS solutions.

• I understand the importance of OSS/BSS in ensuring efficient operations and customer satisf
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Q2. What UNIX commands are you aware of
Ans. 
I am aware of various UNIX commands used for file management, process management, networking, and system administration.
• ls - list directory contents

• cd - change directory

• pwd - print working directory

• ps - display information about active processes

• grep - search for specific patterns in files

• chmod - change file permissions

• ping - test network connectivity

• ifconfig - configure network interfaces
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Q3. What is difference between Severity and Priority
Ans. 
Severity is the impact of a defect on the system, while priority is the order in which defects should be fixed.
• Severity is the measure of how impactful a defect is on the system's functionality.

• Priority is the order in which defects should be fixed, based on factors like business impact or deadlines.

• Severity is usually categorized as low, medium, or high, while priority is often ranked as low, medium, or high as well.

• F...read more
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Test MCQ's 30 Mins Mostly MCQ's

Basic Topic on AI/ML or Chat GPT

Q1. Basic technical questions about the domain
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Q2. One on AI One on ML
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Q1. Difference between Test Scenario and Test cases
Ans. 
Test scenarios are high-level descriptions of the functionality to be tested, while test cases are detailed steps to validate the scenarios.
• Test scenarios are broad and cover multiple test cases.

• Test cases are specific steps to validate a particular scenario.

• Test scenarios are usually created at the beginning of testing, while test cases are derived from scenarios.

• Test scenarios are used for high-level planning and est...read more
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Q2. Use cases for application
Ans. 
Use cases for application involve identifying different scenarios in which the application can be used to meet user needs.
• Testing different user interactions

• Validating system functionality

• Identifying edge cases

• Ensuring compatibility with different devices

• Verifying data integrity
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