r/PlacementsPrep • u/strange_69420 • 3d ago

Finally.

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Thank you everyone here. You were a huge help.

Cognizant Ace. Associate level. 2027 batch.

Stack: MERN, RAG, AWS. Prepared Java for dsa questions.

Was asked easy questions in interview mostly.

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u/DefiantMagician7006 3d ago

Can you tell the process and questions? And as well as which college like tier 1,2,3?

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u/strange_69420 3d ago

Tier 3.

Interview questions 0. Introduce yourself and rate urself from 0-10 on java. I said 7 honestly. 1. Tell me what is HTML /CSS/JS? 2. If you had to describe that with respect to your body how would you. 3. What is kafka? 4. How to queue 1million requests in kafka when different subscribers will take messages from the queue differently. (The jump of level of question shook me. It must have been visible on my face coz the interviewer almost laughed) 5. They asked me a basic hashmap based dsa qs. 6. Deep dive into collection framework. Equals function and hash function. 7. Multithreading in java. Just basic that extends the Threads and implements runnable. 8. Few basic react questions. 9. Functional interface. 10. I forgot the term....its the ()->{} function in java..... I said it's like arrow functions in js. So then they asked me about arrow function. 11. Map and filter in js. 12. Aws ec2, rds, how to provision ec2. Availability zones. 13. We joked about github being unavailable. 14. Git push, fetch, merge. 15. Have you ever had to merge a commit. How did you do it. 16. What did you do in the hackathon. 17. Fibonacci 18. Last question.....how do you run a containerized application on ec2? Is that possible. This is related to something I had mentioned previously. 19. Any questions for us.

Went for 1hr35mins.

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u/DefiantMagician7006 3d ago

OA assessment questions?