Kamalpreet Kaur’s Sabre Interview Experience

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Interview Questions

Ques. Introduce yourself to the readers

I’m a final year student pursuing a career in IT industry and I love Machine Learning and I want to work for a company which serves me a purpose of what do I want to do in my life.

Ques. What was the difficulty level of the interview? (1- very easy, 10-very difficult)


Ques. Tell us about the written/online test. (Aptitude, Coding, Test Platform, etc)

1st round – Online test on Hacker earth
Asked 2 Coding ques – (15+ 20 marks)
There were total 40 ques of OS, DBMS, CN , aptitude , logical reasoning.
Technical ques. were of 3 marks weightage and aptitude ques. were of 2 marks. Total 100 marks paper was set.

2nd Round – Interview (approx 45 minutes) and also then discussed about projects.
Mostly Questions are asked on Operating system, CN and OOPS

OS questions were –
1. What is OS?
2. Difference between processes and threads?
3. kernal level threads and user level threads?
4. Some commands of linux like copying a file and granting permission etc.
about paging and segmentation.
They asked me about all basic ques. like what is virtual memory and processes like PCB block is maintained

CN questions were –
1. They asked about 7 layered models and ask about every single detail like what protocol works here and how this whole process of transferring data from sender to receiver is done (explanation on paper).
2. Difference between http and https and why https is more secure?

Oops questions were –
1. Difference between operator overloading and Overriding.
2. Importance of encapsulation and abstraction.
3. What is Polymorphism?
4. What is Virtual Function?

and then also 2 more coding ques. :
1st related to Anagram.
2nd Ques- (Related to Data Structures) You have 1000 records given and you have to sort these 1000 records but at a time you can access only 100 records.

About Projects – write a code to operate a minimum function on stack (first to tell the approach and then to write code)
(PRO Tip – You must write in less complexity to get selection that is to think in O(1) or O(n) or we can say not to think in O(n^2) or O(n^3).)

After that they asked me about my Projects:
1st – Buggy Project (which I mentioned in my resume) like what are Ultrasonic structures and asked about arduino coding.
2nd – Art Gallery system – Explain your project, whats in DBMS and queries etc.
(PRO Tip – He asked me thoroughly detailing about my projects so you must have thoroughly clearance about your projects.)

3rd Round – HR Round.

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