Omninos Solutions Web Developer Interview Questions and Answers for Experienced

Implement tail -f command

Q1. Kafka partitions
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Q2. Elasticsearch queries
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Q1. Why Browserstack?
Ans. 
Browserstack is a popular cloud-based cross-browser testing tool used by developers worldwide.
• Provides access to a wide range of browsers and devices for testing

• Allows for parallel testing to save time and increase efficiency

• Integrates with popular testing frameworks like Selenium and Appium

• Offers features like screenshots, video recordings, and debugging tools

• Used by companies like Microsoft, Twitter, and Airbnb for t
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Q2. Any challenge you faced at current company?
Ans. 
Yes, I faced a challenge in integrating a new third-party API with our existing system.
• Had to understand the documentation of the API thoroughly

• Encountered compatibility issues with our system

• Worked closely with the API provider to troubleshoot and resolve issues
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Q1. Explain basics of c#
Ans. 
C# is a programming language developed by Microsoft for building a wide range of applications on the .NET framework.
• C# is an object-oriented language with features like classes, inheritance, and polymorphism.

• It is strongly typed, meaning variables must be declared with a specific data type.

• C# supports modern programming concepts like async/await for asynchronous programming.

• It is commonly used for developing desktop, w...read more
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Q2. C# basics oops sql server
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It was deciphering spoken language to subtitle for a complicated accented show

Q1. Why do you want to work here?
Ans. 
I am passionate about the company's mission and values, and I believe my skills and experience align well with the opportunities here.
• Passionate about company's mission and values

• Skills and experience align well with opportunities

• Excited about potential for growth and development
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Q2. What are you passionate about that made you apply for this job?
Ans. 
I am passionate about using data analysis to drive business decisions and improve processes.
• I have always been fascinated by the power of data to uncover insights and drive strategic decision-making.

• I enjoy working with large datasets and using statistical tools to extract meaningful information.

• I believe that data-driven decision-making is crucial for businesses to stay competitive in today's market.

• For example, in my...read more
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Q1. No question asked in resume shortlisting
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Q2. No question asked inresume short listing
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1st was logical reasoning 2nd was aptitude test

General aptitude. Around 2-3 questions with fixed time limit.

Coding for 2-3 questions. Any coding language knowledge is a must to clear this. Failing to clear doesn't guarantee your rejection.

This is the deciding round where you are given logical questions one by one. You dont need coding language knowledge as long as you are able to portray the logic using a flowchart.

I applied through a job fair ,had one apti question followed by the selection was 2 more apti questions and a coding round 3 questions either pattern printing,matrix questions or sliding window.

After clearing the prev round I had an HR interview followed by one more coding round ,this time questions were hard.

The same day,I had a departmental round where I had to work in the office with a supervisor assigned to me and finish some tasks and assignments.

3 aptitude questions given one after another. For each question 20 -25 minutes. Questions were based on logic you need to explain the logic behind them . Example. Draw table based on given data, find the bus stops total stops from given set of data

Coding test was online . 3 coding question with around 1 30 hour. Questions were from string array . Matrix . And array .

Q1. Hr round was just casual talk. Questions like about college , course family studies were asked
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Q2. Tell about your About family
Ans. 
I come from a close-knit family that values love, support, and togetherness.
• My parents have been married for over 30 years.

• I have one older sister who is a doctor.

• We often have family gatherings and celebrate special occasions together.

• My family has always encouraged and supported my career choices.
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Q3. Reason behind choosing your college
Ans. 
I chose my college because of its strong reputation in computer science and its location in a tech hub.
• Strong reputation in computer science

• Location in a tech hub

• Opportunities for internships and networking

• Diverse and inclusive campus community
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Q4. What advice u will give to juniors while selecting college
Ans. 
Choose a college that offers a strong computer science program and opportunities for practical experience.
• Look for colleges with reputable computer science departments.

• Consider the curriculum and courses offered in the computer science program.

• Research the faculty and their expertise in the field.

• Look for colleges that offer internships or co-op programs for practical experience.

• Consider the location and proximity to t...read more
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Q5. Question about year gap if any
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Round duration - 120 minutes
Round difficulty - Hard

This round was very difficult. I never do these much difficulty level of coding questions. But i give my best, and just do every questions by using step by step process.

Q1. 
Hourglass Pattern Problem Statement
Given an integer 'N', print an hourglass pattern based on the value of 'N'.
Input:
The first and only line of input contains an integer, denoting the value of N.
Out...read more
Ans. 
Print an hourglass pattern based on the given integer 'N'.
• Read the integer 'N' as input

• Print the top half of the hourglass pattern with decreasing numbers

• Print the bottom half of the hourglass pattern with increasing numbers

• Handle the constraints for 'N' values between 1 and 50
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Q2. 
BFS Traversal in a Graph
Given an undirected and disconnected graph G(V, E) where V vertices are numbered from 0 to V-1, and E represents edges, your task is to output the BFS traversal starting from the ...read more
Ans. 
BFS traversal in a disconnected graph starting from vertex 0.
• Use BFS algorithm to traverse the graph starting from vertex 0.

• Explore neighbor nodes first before moving to the next level neighbors.

• Consider bidirectional edges in an undirected graph.

• Output the BFS traversal sequence for each test case in a separate line.

• Ensure the BFS path starts from vertex 0 and print connected nodes in numerical sort order.
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Q3. 
Sort a Stack Problem Statement
You are given a stack. Your task is to sort the elements within the stack in ascending order using only push and pop operations. You are allowed to use one additional stack ...read more
Ans. 
Sort a given stack in ascending order using only push and pop operations with the help of an additional stack.
• Use one additional stack to assist in sorting the elements.

• Pop elements from the input stack and push them onto the auxiliary stack in sorted order.

• Keep track of the current minimum element to maintain ascending order.

• Pop elements from the auxiliary stack back to the input stack to get the sorted order.
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Round duration - 90 minutes
Round difficulty - Easy

This round is also coding round in this round we have a small video call interaction too, in which hr ask few questions to only those whose coding question is correct.

Q1. 
Next Smaller Palindrome Problem Statement
You are given a palindrome number represented as a string S. Your task is to find the largest palindrome number that is strictly less than S.
Example:
Input:
T...read more
Ans. 
Find the largest palindrome number strictly less than a given palindrome number.
• Iterate from the middle towards the start of the number and decrement the digits to create the largest palindrome less than the given number.

• Handle cases where the number is all '9's by changing the middle digit to '9' and decrementing the rest of the digits.

• If the number has an odd length, simply mirror the first half to create the largest
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Q2. 
Rotting Oranges Problem Statement
You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:
• 0 - representing an empty cell
• 1 - representing a fre...read more
Ans. 
Find minimum time to rot all fresh oranges adjacent to rotten oranges in a grid.
• Use Breadth First Search (BFS) to simulate the rotting process.

• Track the time taken to rot all fresh oranges.

• Return -1 if all fresh oranges cannot be rotten.

• Handle edge cases like empty grid or no fresh oranges.
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