Druva Interview Experience for SDE (On-Campus) 2022

Round 1- Online Assessment(70 mins)

• 9 MCQs based on DSA, CN, OS
• 3 coding questions:
  • Finding the third largest string in a given array 
  • Find the missing digit x from the given expression
  • Fizz Buzz

40 students were shortlisted after the test.

Round 2 Technical Round 1:

• Give your introduction
• Resume-based questions (Read out my whole resume in front of me and briefly asked about all the points that I had mentioned, for eg my internship experience, the tech stack I used in projects, and extra-curricular)
• What is API?
• Different HTTP methods
• Difference between getting and POST
• Ever wondered how Netflix has been developed?
• What is your favorite data structure?(I said stack)
• Write a code to reverse a Linked List using Stack
• Write the code of the Tower of Hanoi
• Write a code to find the middle of the Linked List
• Write a code to find factorial of a large number 
• What is dynamic programming?
• Solve the Rod Cutting Problem using dynamic programming
• Difference between SQL and NOSQL
• Do you have any questions for me?

Round 3 TechnoHR:

• Give your Introduction.
• Do you have any existing offers? 
• Why not GRE?
• What are some of the challenges that you faced in engineering?
• What is Deadlock? How do avoid a Deadlock?
• What is the Critical Section?
• What is a semaphore?
• What is inter-process communication?
• What are scheduling algorithms?
• Who schedules the scheduler in the Operating system? (I could not answer this)
• What is ARP? Why do we need it?
• What is meant by a 64-bit operating system?
• What is Polymorphism? Give examples
• Do you have any questions for me?

6 students including me were selected at the end of the process. 

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