TATA CONSULTANCY SERVICES (TCS) IT & Analytics Interview Questions & Experience Guide

Interview Preparation
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TATA CONSULTANCY SERVICES (TCS) IT & Analytics Interview Questions & Experience Guide

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Company Name: TATA CONSULTANCY SERVICES (TCS)

Position: IT & Analytics

Location: [Not specified]

Application Process: I applied via a job portal and was interviewed in June 2024.

Interview Rounds:

  • Round 1 - Technical Round:

  • Questions Asked:

    • Difference between Contribute and Edit.
    • How to enable External sharing.

  • Your Approach: I answered the questions based on my understanding of the concepts and practical experience. For the first question, I explained the functional differences between contributing and editing. For the second question, I described the steps to enable external sharing in a system.

  • Outcome: I passed this round and moved forward in the process.

Preparation Tips:

  • Focus on understanding core IT concepts like system functionalities and sharing protocols.
  • Review practical scenarios related to the role, such as enabling features in systems.
  • Practice answering technical questions clearly and concisely.

Conclusion:
The interview was straightforward and focused on practical knowledge. I felt confident in my answers, but I could have prepared more examples to illustrate my points better. For future candidates, I recommend brushing up on system functionalities and being ready to explain technical processes in simple terms.

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Company Name: TATA CONSULTANCY SERVICES (TCS)

Position: IT & Analytics

Application Process: I applied for the position through Naukri.com and was interviewed in January 2024.

Interview Rounds:

  • Round 1 - Technical Round:
    • Questions Asked:
      1. Why do you think TCS is the best company?
      2. Is TCS a fraud-free company? (Yes or No)
      3. What facilities does TCS provide?
      4. How would you describe TCS employees?
      5. Where are TCS company locations?
      6. Finally, is TCS the best or not?
    • Your Approach: I answered the questions based on my research about TCS, highlighting its reputation, employee benefits, and global presence. For subjective questions, I provided balanced and honest opinions.
    • Outcome: The round went well, and I was able to articulate my thoughts clearly.

Preparation Tips:

  • Research the company thoroughly, including its values, facilities, and global presence.
  • Be prepared to answer both factual and opinion-based questions about the company.
  • Practice articulating your thoughts clearly and confidently.

Conclusion:
Overall, the interview was a good experience. I felt prepared, but I could have delved deeper into specific projects or initiatives by TCS to make my answers more impactful. For future candidates, I’d recommend not just knowing the basics but also understanding the company’s recent achievements and culture in detail.

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Company Name: TATA CONSULTANCY SERVICES (TCS)

Position: IT & Analytics

Location: [Not specified]

Application Process: I applied via LinkedIn and was interviewed in May 2024.

Interview Rounds:

  • Round 1 - Aptitude Test:

    • Questions Asked: Basic questions related to logical reasoning.
    • Your Approach: I focused on solving the questions systematically, ensuring accuracy and time management.
    • Outcome: Passed this round.

  • Round 2 - Technical Round:

    • Questions Asked:
      1. Explain about your previous project.
      2. Explain about machine learning algorithms.
    • Your Approach: For the project question, I highlighted key aspects like objectives, my role, technologies used, and outcomes. For machine learning algorithms, I provided a concise explanation of common algorithms like linear regression, decision trees, and their applications.
    • Outcome: Successfully cleared this round.

Preparation Tips:

  • Brush up on logical reasoning and aptitude topics.
  • Be thorough with your resume, especially projects and technical skills.
  • Understand basic machine learning concepts and algorithms.

Conclusion:
Overall, the interview process was smooth. The aptitude round tested my problem-solving skills, while the technical round focused on my project experience and foundational knowledge of machine learning. I would advise future candidates to prepare well for logical reasoning and to be confident while discussing their projects.

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Company Name: TATA CONSULTANCY SERVICES (TCS)

Position: IT & Analytics

Application Process: The application was part of the campus placement process.

Interview Rounds:

  • Round 1 - Aptitude Test:

    • Questions Asked: 90 questions covering basic 12th-grade maths, numerical, and reasoning skills.
    • Your Approach: Focused on solving problems quickly and accurately, revisiting weaker areas beforehand.
    • Outcome: Cleared the round successfully.

  • Round 2 - Technical Round:

    • Questions Asked:
      1. Basic questions about C and C++ (e.g., pointers and functions).
      2. What is inheritance?
      3. What is a pointer?
      4. What is a function?
    • Your Approach: Answered confidently, explaining concepts with examples where applicable.
    • Outcome: Advanced to the next round.

  • Round 3 - HR Round:

    • Questions Asked:
      1. What is your motivation?
      2. Why do you want to join TCS?
      3. What are your strengths and weaknesses?
    • Your Approach: Kept answers honest and aligned with the company’s values and my career goals.
    • Outcome: Received positive feedback and cleared the round.

Preparation Tips:

  • Stay calm and focus on getting your basics right, especially in programming languages like C and C++.
  • Practice aptitude questions to improve speed and accuracy.

Conclusion:
The overall experience was smooth, and the interviewers were supportive. I could have prepared more thoroughly for the HR round by researching TCS’s work culture in depth. For future candidates, I’d recommend practicing both technical and soft skills to ace all rounds confidently.

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Company Name: TATA CONSULTANCY SERVICES (TCS)

Position: IT & Analytics

Location: [Not specified]

Application Process: I applied via referral and was interviewed in January 2024.

Interview Rounds:

  • Round 1 - Technical Round:

    • Questions Asked:
      1. What are the backup tools you used in your previous project?
      2. How do you reschedule a backup?
    • Your Approach: I explained the backup tools I had experience with and described the process of rescheduling backups step-by-step, emphasizing my hands-on experience.
    • Outcome: I passed this round.

  • Round 2 - Behavioral Round:

    • Questions Asked:
      1. How do you replace a tape drive?
    • Your Approach: I shared a real-life scenario where I had to replace a tape drive, detailing the precautions and steps I took to ensure a smooth replacement.
    • Outcome: I passed this round.

  • Round 3 - HR Round:

    • Questions Asked:
      1. Salary negotiations.
      2. Why TCS?
    • Your Approach: I discussed my salary expectations professionally and aligned my career goals with TCS’s values and opportunities.
    • Outcome: I passed this round.

Preparation Tips:

  • Be yourself and stay confident.
  • Ensure you have strong technical knowledge relevant to the role.

Conclusion:
Overall, the interview process was smooth, and I felt well-prepared. Being honest and confident in my responses helped me succeed. For future candidates, I’d recommend brushing up on technical specifics and practicing behavioral questions to articulate experiences clearly.

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Company Name: TATA CONSULTANCY SERVICES (TCS)

Position: IT & Analytics

Application Process: Applied through campus placement.

Interview Rounds:

  • Round 1 - Technical Interview:

    • Questions Asked:
      1. Difference between JDK, JVM, and JRE.
      2. Explain Spring Boot flows.
      3. List all containers in Spring.
      4. Why is String immutable?
      5. Difference between ArrayList and LinkedList.
    • Your Approach: I prepared by revising core Java concepts and Spring framework basics. For the Spring Boot question, I explained the auto-configuration and starter dependencies. For the String immutability, I discussed security and performance benefits.
    • Outcome: Cleared the round successfully.

  • Round 2 - HR Interview:

    • Questions Asked:
      1. Why do you want to join TCS?
      2. How would you handle a project?
    • Your Approach: For the first question, I highlighted TCS’s reputation and growth opportunities. For the second, I discussed project management methodologies like Agile and my ability to collaborate with teams.
    • Outcome: Cleared the round and received the offer.

Preparation Tips:

  • Focus on core Java concepts, especially collections, OOPs, and String handling.
  • Revise Spring framework basics, including containers and Spring Boot features.
  • Practice answering HR questions confidently, emphasizing your motivation and teamwork skills.

Conclusion:
The interview process was smooth, and the questions were aligned with the role’s requirements. I could have prepared more on real-time project scenarios for the HR round. My advice to future candidates is to balance technical and soft skills preparation.

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Company Name: TATA CONSULTANCY SERVICES (TCS)

Position: IT & Analytics

Location: [Not specified]

Application Process: I applied via Naukri.com and was interviewed in June 2024.

Interview Rounds:

  • Round 1 - Technical Interview (One-on-one):

    • Questions Asked:
      1. C# and web API
      2. SQL Server and RDBMS
      3. JavaScript and jQuery
    • Your Approach: I prepared thoroughly by revising core concepts of C#, SQL Server, and JavaScript. I also practiced coding problems related to web APIs and jQuery to ensure I could answer confidently.
    • Outcome: Successfully cleared this round.

  • Round 2 - HR Round (One-on-one):

    • Questions Asked:
      1. Salary and location preferences
      2. Documents required for processing
    • Your Approach: I was honest about my salary expectations and location preferences. I also ensured I had all the necessary documents ready for submission.
    • Outcome: Cleared the HR round and moved forward in the process.

Preparation Tips:

  • Focus on core technical skills like C#, SQL Server, and JavaScript.
  • Practice coding problems related to web APIs and jQuery.
  • Be prepared with all necessary documents for the HR round.

Conclusion:
Overall, the interview process was smooth, and I felt well-prepared. The technical round tested my knowledge thoroughly, and the HR round was straightforward. My advice to future candidates is to focus on core concepts and be honest during the HR discussions. Good luck!

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Company Name: TATA CONSULTANCY SERVICES (TCS)

Position: IT & Analytics

Application Process: I applied via Naukri.com and was interviewed in Feb 2024.

Interview Rounds:

  • Round 1 - Technical Round:

    • Questions Asked:
      1. Explain Java OOPs concepts.
      2. Spring Boot annotations, Bean scope.
      3. Difference between Interface and Abstract.
    • Your Approach: I focused on explaining the core concepts clearly, providing examples where necessary. For Java OOPs, I covered encapsulation, inheritance, polymorphism, and abstraction. For Spring Boot, I listed commonly used annotations and explained bean scopes. For the Interface vs. Abstract question, I highlighted key differences with practical use cases.
    • Outcome: Successfully cleared the round.

  • Round 2 - Behavioral Round:

    • Questions Asked:
      1. Cloud Deployment and cloud tools you used.
      2. Explain Spring MVC architecture.
    • Your Approach: For the cloud question, I discussed my experience with AWS and tools like EC2, S3, and Lambda. For Spring MVC, I walked through the architecture, explaining the roles of DispatcherServlet, Controller, Model, and View.
    • Outcome: Cleared this round as well.

Preparation Tips:

  • Brush up on core Java concepts, especially OOPs.
  • Practice explaining Spring Boot and Spring MVC architectures in detail.
  • Be ready to discuss any hands-on experience with cloud tools.

Conclusion:
Overall, the interview process was smooth, and the questions were aligned with the role. I felt confident because I had prepared well on the technical aspects. For future candidates, I’d recommend focusing on practical examples and being clear in your explanations.

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Company Name: TATA CONSULTANCY SERVICES (TCS)

Position: IT & Analytics

Location: [Location not specified]

Application Process: I applied via LinkedIn and was interviewed in August 2024.

Interview Rounds:

  • Round 1 - Technical Round:
    • Questions Asked:
      1. MERGE query in SQL databricks.
      2. Question from my current project.
      3. Explain the current project flow.
      4. Narrow vs. wide transformation.
      5. How to resolve data skew issue.
    • Your Approach:
      • For the MERGE query, I explained the syntax and its use cases in Databricks.
      • For the project-related questions, I walked through the end-to-end flow and highlighted my contributions.
      • For the transformation and data skew questions, I provided practical examples and solutions based on my experience.
    • Outcome: Successfully cleared the round.

Preparation Tips:

  • Focus on SQL, especially queries like MERGE, as they are commonly asked.
  • Be thorough with your current project details, as interviewers often dive deep into it.
  • Understand data transformations and common issues like data skew, as these are key topics for technical rounds.

Conclusion:
The interview was quite technical but fair. I felt well-prepared, and my project experience helped me answer confidently. For future candidates, I’d recommend brushing up on SQL and being ready to discuss your projects in detail.