NTT Data Senior Test Engineer Interview Questions and Answers

20 aptitude questions and 50 technical questions

Q1. Tell me about your self
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Q2. Explain automation framework
Ans. 
Automation framework is a set of guidelines, rules, and tools that help in creating and executing automated tests.
• Automation framework provides structure and guidelines for creating automated tests

• It helps in organizing test scripts, data, and results

• Frameworks can be data-driven, keyword-driven, or hybrid

• Examples of automation frameworks include Selenium WebDriver, TestNG, and Robot Framework
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Q3. Java code for sorting without using built in function
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Sorting array of strings in Java without using built-in functions
• Create a custom sorting algorithm like bubble sort, selection sort, or insertion sort

• Compare each pair of strings and swap them if necessary to sort in ascending order

• Repeat the process until the array is fully sorted
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Q4. Explain testng annotations and how will we use annotation in our framework
Ans. 
TestNG annotations are used to control the flow of test methods and provide additional information about the test methods.
• TestNG annotations are used to mark methods as test methods, setup methods, teardown methods, etc.

• Annotations like @Test, @BeforeMethod, @AfterMethod, @BeforeClass, @AfterClass, @BeforeSuite, @AfterSuite are commonly used in TestNG framework.

• Annotations help in organizing and prioritizing test metho...read more
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Q5. What is testng listener
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TestNG listener is an interface that allows users to customize the test execution process.
• TestNG listeners can be used to perform actions before or after a test method is run.

• Listeners can be used to generate logs, take screenshots, or perform other custom actions during test execution.

• Examples of TestNG listeners include ITestListener, ISuiteListener, and IInvokedMethodListener.
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Q6. What is overriding and where it is used in automation framework
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Overriding is a concept in object-oriented programming where a subclass provides a specific implementation of a method that is already provided by its superclass.
• Overriding allows a subclass to provide a specific implementation of a method that is already provided by its superclass

• It is used in automation frameworks to customize or extend the functionality of existing methods or classes

• In automation testing, overriding...read more
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Q7. Explain bdd hooks and tags
Ans. 
BDD hooks and tags are used in Behavior-Driven Development to set up preconditions and execute actions before or after scenarios, and to categorize and filter scenarios.
• BDD hooks are used to set up preconditions and execute actions before or after scenarios

• Tags are used to categorize and filter scenarios based on certain criteria

• Hooks can be used to perform setup and teardown actions, such as initializing test data or ...read more
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Q8. Explain bdd background keyword
Ans. 
BDD background keyword is used to define common preconditions for all scenarios in a feature file.
• Used at the beginning of a feature file to define common preconditions

• Helps in setting up the initial state for all scenarios in the feature file

• Reduces duplication of steps in scenarios by defining them once in the background
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Q9. Explain ci/cd pipeline using jenkins
Ans. 
CI/CD pipeline using Jenkins automates the process of integrating code changes and deploying them to production.
• Jenkins is a popular automation server used for CI/CD

• CI/CD stands for Continuous Integration/Continuous Deployment

• In a CI/CD pipeline, code changes are automatically built, tested, and deployed

• Jenkins pipelines can be defined using a Jenkinsfile which specifies the stages and steps of the pipeline

• Example: Che...read more
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Q10. Explain rest assured and write a code for post and verify the response
Ans. 
Rest Assured is a Java library for testing RESTful APIs. It simplifies API testing by providing a fluent interface to make HTTP requests and validate responses.
• Rest Assured is commonly used in API automation testing to validate the functionality of RESTful APIs.

• It allows testers to easily make HTTP requests, set headers, parameters, and body, and validate the response.

• Here is an example code snippet for posting data an...read more
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Q1. What is selenium?
Ans. 
Selenium is a popular open-source automation testing tool used for web application testing.
• Selenium is used for automating web browsers.

• It supports multiple programming languages like Java, C#, Python, etc.

• Selenium WebDriver is the most commonly used component for writing test scripts.

• Selenium IDE is a record and playback tool for creating quick tests.

• Selenium Grid is used for parallel testing across different browsers
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Q2. What are the waits available in selenium?
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In Selenium, waits are used to make the automation scripts wait for a certain amount of time before executing the next step.
• Implicit Wait: Waits for a certain amount of time before throwing a NoSuchElementException.

• Explicit Wait: Waits for a certain condition to occur before proceeding further.

• Fluent Wait: Waits for a condition to be true with a specified polling frequency.

• Thread.sleep(): Pauses the execution for a spe
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Q1. What are the oops Concepts in Java?
Ans. 
Oops concepts in Java are the principles of Object Oriented Programming such as Inheritance, Polymorphism, Encapsulation, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Allows objects to be treated as instances of their parent class.

• Encapsulation: Hides the internal state of an object and only exposes necessary functionality.

• Abstraction: Shows only essent...read more
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Q2. Write a program to Duplicate Elements in Array?
Ans. 
Program to duplicate elements in array of strings
• Iterate through the array and check for duplicate elements

• Store duplicate elements in a separate array

• Return the array of duplicate elements
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Q1. Explain something about vlan and its working
Ans. 
VLAN stands for Virtual Local Area Network and is used to segment a network into multiple virtual networks.
• VLANs help in improving network performance, security, and management.

• Each VLAN is a separate broadcast domain, reducing unnecessary traffic.

• VLANs are configured at the switch level by assigning ports to specific VLANs.

• VLAN tagging (802.1Q) adds a VLAN identifier to Ethernet frames to distinguish between different...read more
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Q1. Program on strings and Array
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