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TCS IT Analyst ITA Interview Questions and Answers

Updated 5 Feb 2024

Q1. What and when you have used custom actions? Give some examples with application details?

Ans.

Custom actions are used to extend functionality of applications. Examples include adding buttons or menus to perform specific tasks.

  • Used custom actions in SharePoint to add a button to a list to perform a specific action

  • Created a custom action in Salesforce to add a menu item to a record page

  • Implemented a custom action in a mobile app to allow users to share content on social media

  • Developed a custom action in a web application to allow users to download a report in PDF format

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Q2. What are the types of properties available in MSI?

Ans.

MSI properties include installation properties, public properties, and secure properties.

  • Installation properties are used during installation and cannot be changed afterwards

  • Public properties can be set during installation or through command line and can be changed afterwards

  • Secure properties are encrypted and can only be set during installation

  • Examples of properties include ProductName, ProductVersion, and INSTALLDIR

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Q3. Objective C & swift ? Which is majorly used ?

Ans.

Swift is majorly used over Objective C.

  • Swift is faster, easier to read and write, and has better memory management than Objective C.

  • Swift is the preferred language for iOS app development.

  • Objective C is still used in legacy codebases and some libraries.

  • Swift has a growing community and support from Apple.

  • Swift is more modern and has features like optionals and closures.

  • Objective C has a steeper learning curve and is more verbose.

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Q4. How well you handle Merge modules in packaging?

Ans.

I am proficient in handling Merge modules in packaging.

  • I have experience in using tools like InstallShield and WiX to create MSI packages with Merge modules.

  • I am familiar with the process of adding Merge modules to an existing MSI package.

  • I understand the importance of properly sequencing Merge modules to ensure a successful installation.

  • I have worked with Merge modules for various applications, including Microsoft Office and Adobe products.

  • I am able to troubleshoot issues re...read more

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Q5. Exception handling in spring boot

Ans.

Exception handling in Spring Boot

  • Spring Boot provides a centralized way to handle exceptions using @ControllerAdvice

  • Custom exception classes can be created to handle specific exceptions

  • Exception handling can be done using @ExceptionHandler annotation

  • Global exception handling can be done using @RestControllerAdvice

  • Error responses can be customized using ResponseEntity

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Q6. Explain OOPS concepts

Ans.

OOPS concepts are the principles of Object-Oriented Programming that help in creating modular and reusable code.

  • Encapsulation: Hiding the implementation details of an object and exposing only the necessary information.

  • Inheritance: Creating new classes from existing ones, inheriting their properties and methods.

  • Polymorphism: The ability of objects to take on multiple forms or behaviors.

  • Abstraction: Focusing on the essential features of an object and ignoring the non-essential ...read more

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Q7. Stream api program solution

Ans.

Stream API program solution

  • Use Stream API to process collections of data

  • Can be used for filtering, mapping, sorting, and more

  • Example: stream.filter(x -> x > 5).map(x -> x * 2).sorted()

  • Can improve performance and readability of code

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Interview Process at TCS IT Analyst ITA

based on 4 interviews
3 Interview rounds
Resume Shortlist Round
Technical Round
HR Round
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