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Amazon QA role & Support Engineer Intern interview experience

  • Difficulty Level : Medium
  • Last Updated : 12 Jul, 2019

Round 1: First we took an online test(20 mcq’s and 2 programming questions) in our college. After 3 days Amazon recruiters came to our college. On that day they asked us to write 2 programs.

  1. Given a string containing alphanumeric characters. Find the sum of the numbers in that string.
    Input:- aa123bb4
    Output:- 127
    
    Input:- bbb5cc5dd12
    Output:- 22
    

    Solution: GeeksforGeeks Link

  2. Given an array containing numbers 1’s and 0’s. Sort the array without using sort function.
    Input:- 1 0 0 1 0
    Output:- 0 0 0 1 1
    
    Input:- 0 0 1 0 1 1
    Output:- 0 0 0 1 1 1
    

    Solution: GeeksforGeeks Link

    We have to write the solutions on paper for the above two programs. The shortlisted candidates are called to round 2.

    Round 2: This is a face to face round. In this round you are interviewed for almost 1 hour. In this round they will give you some programs and you have to write codes for them.

    Some of the programs they asked me in the interview are:

    1. Given two binary strings. Perform addition for that.
      Input:- str1 = "1010", str2 = "1111"
      Output:- 11001
      

      Solution: GeeksforGeeks Link

    2. Given a binary tree. Check whether it is a binary search tree or not?
    3. Perform binary search
    4. Find the peak elements(the value should be greater than the previous element and the next element in the array) in the array.
      Input:- 5 4 8 6 9 1 10
      Output:- 5 8 9 10
      

      Solution: GeeksforGeeks Link

      After qualifying in this round u will be shortlisted for round 3.



      Round 3: In round 3, depending upon the panel they will ask you about your project.
      Basic and advanced linux commands that are used for testing.

      If you had done a project they will ask you like ” how do you test your project”. Basic concepts in OS and DBMS.

      • What is cache memory.
      • What is IPV4 and IPV6.
      • How will gmail authenticate your passwords?
      • In which memory your laptop password is being saved?
      • Deadlocks.

      Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course. In case you are prepared, test your skills using TCS, Wipro, AmazonGoogle and Microsoft Test Serieses.

      My Personal Notes arrow_drop_up
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