Persistent Systems Interview Experience (On-Campus)

Written Test:

1. Section I: 50 minutes test that consists of MCQ’s on Operating systems, Computer Architecture, DBMS, Computer Networks, English Comprehension, and Logical reasoning
2. Section II: 40 minutes section consists of two problem statements of medium level.

Interview: Both technical interview and HR discussion was taken remotely on Amcat’s smart meet platform. My technical interview was on 13th Oct 2020 For the technical interview, as soon as the interview started interviewer asked me, “In which programming language will you execute code? “ I selected java. Then he immediately put a problem statement to execute there.

• Write a function that accepts one array and reverse it in the same variable without using any other array (Note: You are not allowed to print array in a reverse manner).

  Example:

  Input: arr[] = {4, 2, 3, 5, 7}
         arrayReverse(arr)
         print(arr)
  Output: 7 5 3 2 4

  After I successful execution of the program, he gave another statement to execute

  
  
  
• Print a pyramid pattern.

I executed this program too. After that, he asked me to write an SQL query for natural join. I wrote that query, and then he asked if I have any questions for him. Only these questions were asked me for technical interviews, but this will not be the case always. The technical interview completely depends on the interviewer, for some of my friend’s interviewer asked questions regarding the OSI model, Network protocols, threads, processes, deadlock, DBMS, etc. So to ace the technical interview study of all the core CS subjects is essential. HR round was on 14th Oct 2020 and it was normal as usual.

Thank you!

All the best!