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Zenon Software Engineer Interview Questions and Answers

Updated 1 Oct 2023

Zenon Software Engineer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

Offline test of 3 sections, 1st aptitude, 2nd coding and 3rd dbms

Round 3 - Technical 

(5 Questions)

  • Q1. 2 technical rounds. Question were about trees, sql, oops etc
  • Q2. Buid a binary tree
  • Ans. 

    A binary tree is a data structure where each node has at most two children.

    • Start by creating a Node class with left and right child pointers.

    • Implement methods to insert nodes, search for a specific value, and traverse the tree (inorder, preorder, postorder).

    • Consider edge cases like inserting duplicate values or handling empty trees.

  • Answered by AI
  • Q3. Save bst to disk
  • Ans. 

    To save a binary search tree (BST) to disk, you can serialize the tree and write it to a file.

    • Serialize the BST using pre-order, in-order, or post-order traversal

    • Write the serialized data to a file on disk

    • When reading the data back, deserialize it to reconstruct the BST

  • Answered by AI
  • Q4. Sql queries, specially joins
  • Q5. Infinite stream of numbers, store 10 maximum number. (Heap)
  • Ans. 

    Use a max heap to store the 10 maximum numbers from an infinite stream of numbers.

    • Implement a max heap data structure to keep track of the 10 maximum numbers.

    • As new numbers come in from the infinite stream, compare them with the root of the heap.

    • If the new number is greater than the root, replace the root with the new number and heapify.

    • Keep the heap size limited to 10 to store only the 10 maximum numbers.

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

  • Q1. 

    Sum of Two Numbers Represented as Arrays

    Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...

  • Ans. 

    Given two numbers represented as arrays, calculate their sum and return the result as an array.

    • Iterate through the arrays from right to left, adding digits and carrying over if necessary

    • Handle cases where one array is longer than the other by considering the remaining digits

    • Ensure the final sum array does not have any leading zeros

  • Answered by AI
Round 2 - Face to Face 

Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round 3 - HR 

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.

Interview Preparation Tips

Eligibility criteriaAbove 60 %Wipro Limited interview preparation:Topics to prepare for the interview - OOPS, Data Structures, Database Concepts, Coding problemsTime required to prepare for the interview - 2-3 monthsInterview preparation tips for other job seekers

Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.

Application resume tips for other job seekers

Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Hr

Interview Preparation Tips

Interview preparation tips for other job seekers - You should be true to what you are putting before the interviewer . Try to put your ideas Add something you did well in your career like in projects /research which you know very well and versed in concepts about it for open interview so that interviewer can get bandwidth where he can ask questions from. This is simply a key .

I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. 1.Describe a situation where you have taken a quick decision and failed, and a situation where you succeeded. 2. What is a skill you have tried to achieve but failed? 3. Describe a decision you have taken ...

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Always try to take risk in small problems . When you face the consequences, you would be able to tackle bigger problems.
2. Every skill you learn, even if you didn't excel in it is not to be considered a waste of time/failure, you learn something simply by participating.

I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Tell me about Yourself, some questions related to machine learning, and I was asked more questions to differentiate like differences between ml and ai, python and c, c and java and procedural and functiona...

Interview Preparation Tips

Interview preparation tips for other job seekers - Get a complete grip on your resume and be confident about what you say, If you don't know the answer it is okay to agree that you don't know the answer so that interviewer can ask the next questions.

I applied via Job Portal and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Oops Concepts,JAVA 8

Interview Preparation Tips

Interview preparation tips for other job seekers - Quite simple and easy. 1st round technical.2nd round HR

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

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Coding Test 

Easy DSA questions and some questions on resume

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't join if you are a fresher and want to grow as a developer. I had resigned that time I am writing this review

I applied via Campus Placement and was interviewed in Mar 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. How do you get the second to last element from a SQL table?
  • Ans. 

    To get the second to last element from a SQL table, use the OFFSET-FETCH clause.

    • Use the ORDER BY clause to sort the table in descending order.

    • Use the OFFSET-FETCH clause to skip the last row and fetch the second to last row.

    • Example: SELECT column_name FROM table_name ORDER BY column_name DESC OFFSET 1 ROWS FETCH NEXT 1 ROWS ONLY;

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice by building a simple full stack web application.

Skills evaluated in this interview

I applied via Naukri.com and was interviewed before Aug 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. C language and Java questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Be ready with good technical skills to face the interview

Interview Questionnaire 

1 Question

  • Q1. Drupal data migration
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Zenon Interview FAQs

How many rounds are there in Zenon Software Engineer interview?
Zenon interview process usually has 3 rounds. The most common rounds in the Zenon interview process are Resume Shortlist, Aptitude Test and Technical.
How to prepare for Zenon Software Engineer 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 Zenon. The most common topics and skills that interviewers at Zenon expect are CSS, Html5, JPA, Java and Javascript.
What are the top questions asked in Zenon Software Engineer interview?

Some of the top questions asked at the Zenon Software Engineer interview -

  1. Infinite stream of numbers, store 10 maximum number. (He...read more
  2. Save bst to d...read more
  3. Buid a binary t...read more

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Zenon Software Engineer Interview Process

based on 2 interviews

Interview experience

4
  
Good
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Zenon Software Engineer Salary
based on 10 salaries
₹10 L/yr - ₹15 L/yr
54% more than the average Software Engineer Salary in India
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Zenon Software Engineer Reviews and Ratings

based on 2 reviews

3.3/5

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