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WAISL Interview Questions and Answers

Updated 30 Sep 2024

WAISL Interview Experiences

Popular Designations

2 interviews found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Coding Test 

Easy level DSA question asked

Round 2 - Technical 

(1 Question)

  • Q1. Asked about all the projects mentioned in resume

Engineer Trainee Interview Questions asked at other Companies

Q1. If 10 people had a meeting and they shake hands only once with each of the others, then how many handshakes will be there in total ?
View answer (8)

I applied via Walk-in and was interviewed before Jul 2020. There were 6 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Why did you join WAISL Ltd.
  • Q2. Your career target
  • Q3. ITIL process
  • Q4. Your dicipline
  • Ans. 

    My discipline is focused on providing efficient and effective solutions to technical issues.

    • I prioritize problem-solving and troubleshooting skills

    • I am detail-oriented and organized

    • I am constantly learning and staying up-to-date with new technologies

    • I have experience working in a fast-paced environment

    • I am able to communicate technical information to non-technical individuals

  • Answered by AI
  • Q5. How will you manage with coustome in tough situation

Interview Preparation Tips

Interview preparation tips for other job seekers - Be calm,say always truth,no hesitation,be proatice,first under then understood

Service Desk Engineer Interview Questions asked at other Companies

Q1. What will you do if zoom application does not open?
View answer (2)

Jobs at WAISL

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Interview questions from similar companies

I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Java questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basic questions

I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Numerical ability and logical reasoning followed by some coding mcqs

Round 2 - Technical 

(1 Question)

  • Q1. Print 1 to 100 without for loop
  • Ans. 

    Printing 1 to 100 without for loop

    • Use recursion to print numbers from 1 to 99

    • Print 100 outside the recursion

    • Use a base case to stop recursion at 100

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare from interview bit and practice mcqs

I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Simple aptitude test

Round 2 - One-on-one 

(1 Question)

  • Q1. General questions as per your cv

Interview Preparation Tips

Topics to prepare for Infosys System Engineer interview:
  • Aptitude
Interview preparation tips for other job seekers - Great company for freshers.. lot to learn and experience

I applied via Recruitment Consultant and was interviewed before Jul 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. DS Algo Questions on Trees. Leadership Principles

Interview Preparation Tips

Interview preparation tips for other job seekers - Read up on DS Algo and white paper coding and Leadership Principles

I applied via Naukri.com

Interview Questionnaire 

2 Questions

  • Q1. Why Amazon?
  • Q2. What do you expect from Amazon?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be open to anything, and keep your expectations low as your expectations might kill you. Just relax and take everything in a healthy way

I applied via Newspaper Ad and was interviewed before Jun 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 
Round 2 - Technical 

(1 Question)

  • Q1. Basic questions of java.
Round 3 - HR 

(1 Question)

  • Q1. Intro and other hr related questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Cover the basic questions regarding the programming language.

I appeared for an interview in Aug 2017.

Interview Questionnaire 

7 Questions

  • Q1. Implement Merge Sort.
  • Ans. 

    Merge Sort is a divide and conquer algorithm that sorts an array by dividing it into two halves, sorting them separately, and then merging the sorted halves.

    • Divide the array into two halves

    • Recursively sort the two halves

    • Merge the sorted halves

  • Answered by AI
  • Q2. Given a BST containing distinct integers, and a number ‘X’, find all pairs of integers in the BST whose sum is equal to ‘X’.
  • Ans. 

    Find pairs of integers in a BST whose sum is equal to a given number.

    • Traverse the BST and store the values in a hash set.

    • For each node, check if (X - node.value) exists in the hash set.

    • If yes, add the pair (node.value, X - node.value) to the result.

    • Continue traversal until all nodes are processed.

  • Answered by AI
  • Q3. Given a set of time intervals in any order, merge all overlapping intervals into one and output the result which should have only mutually exclusive intervals.
  • Ans. 

    Merge overlapping time intervals into mutually exclusive intervals.

    • Sort the intervals based on their start time.

    • Iterate through the intervals and merge overlapping intervals.

    • Output the mutually exclusive intervals.

    • Example: [(1,3), (2,6), (8,10), (15,18)] -> [(1,6), (8,10), (15,18)]

  • Answered by AI
  • Q4. What are the different types of hashing? Suggest an alternative and a better way for Linear Chaining.
  • Ans. 

    Different types of hashing and alternative for Linear Chaining

    • Different types of hashing include division, multiplication, and universal hashing

    • Alternative for Linear Chaining is Open Addressing

    • Open Addressing includes Linear Probing, Quadratic Probing, and Double Hashing

  • Answered by AI
  • Q5. Implement AVL Tree.
  • Ans. 

    An AVL tree is a self-balancing binary search tree where the heights of the left and right subtrees differ by at most one.

    • AVL tree is a binary search tree with additional balance factor for each node.

    • The balance factor is the difference between the heights of the left and right subtrees.

    • Insertion and deletion operations in AVL tree maintain the balance factor to ensure the tree remains balanced.

    • Rotations are performed ...

  • Answered by AI
  • Q6. Minimum number of squares whose sum equals to given number n.
  • Ans. 

    Find the minimum number of squares whose sum equals to a given number n.

    • Use dynamic programming to solve the problem efficiently.

    • Start with finding the square root of n and check if it is a perfect square.

    • If not, then try to find the minimum number of squares required for the remaining number.

    • Repeat the process until the remaining number becomes 0.

    • Return the minimum number of squares required for the given number n.

  • Answered by AI
  • Q7. Insertion sort for a singly linked list.
  • Ans. 

    Insertion sort for a singly linked list.

    • Traverse the list and compare each node with the previous nodes

    • If the current node is smaller, swap it with the previous node

    • Repeat until the end of the list is reached

    • Time complexity is O(n^2)

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: There were 2 coding questions (no penalty for wrong submission) and 20 Multiple Choice Questions(with negative marking). We were given 90 minutes to solve them. MCQs were based on Data Structures, OS, CN, C outputs, OOP etc.
Tips: Experience in Competitive Programming might help in solving coding questions. No constraints were mentioned and detailed Instructions related to problem were stated vaguely. So code carefully.
Duration: 1 hour 30 minutes
Total Questions: 22

Round: Technical Interview
Experience: The interviewer asked me to introduce myself and a brief introduction of the projects that I have done. She first asked me questions related to my project. After that she moved on to the data structures part.
Tips: Take your time to approach the problems and if the question is not clear ask the interviewer to explain it again.

Round: Technical Interview
Experience: The interviewer asked me about how my previous round went. After that, he asked me to introduce myself and a brief introduction of the projects that I have done. He first asked me a few questions related to my project. Then he moved on to the data structures part. In this round the interviewer gave me strict time limit for coding the solution on paper for each problem and as soon as I was done coding he gave me 2-3 minutes every time to find errors and debug my code.
Tips: Do not panic even if the interviewer sets time limit while solving problems. If the question is not clear ask the interviewer to explain it again.

College Name: The LNM Institute Of Information Technology, Jaipur

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in May 2019. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. They asked about How have you developed Business in your Ex Company

Interview Preparation Tips

Interview preparation tips for other job seekers - I explained that we rigorously used to do telling calling as well as Birthday-Anniversary wish and offer calling and thus we used to develop our Business. I was First Got Hired through Consultancy via Naukari and after seeing my performance, Amazon-Prione consumed me to the main business on pay roll.

WAISL Interview FAQs

How many rounds are there in WAISL interview?
WAISL interview process usually has 2 rounds. The most common rounds in the WAISL interview process are Coding Test and Technical.
How to prepare for WAISL interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at WAISL. The most common topics and skills that interviewers at WAISL expect are Aviation, Information Technology, Troubleshooting, IT Operations and VMware.
What are the top questions asked in WAISL interview?

Some of the top questions asked at the WAISL interview -

  1. Your diciplin...read more
  2. ITIL proc...read more

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WAISL Interview Process

based on 4 interviews

Interview experience

4.5
  
Good
View more

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WAISL Reviews and Ratings

based on 63 reviews

3.8/5

Rating in categories

3.4

Skill development

3.7

Work-life balance

3.4

Salary

3.8

Job security

3.4

Company culture

3.3

Promotions

3.4

Work satisfaction

Explore 63 Reviews and Ratings
Lead - Backup & Storage - WAISL

New Delhi

6-11 Yrs

Not Disclosed

Technical support

New Delhi

8-13 Yrs

Not Disclosed

Application Architect

New Delhi

10-22 Yrs

Not Disclosed

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