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Krishna Computer Interview Questions, Process, and Tips
Top Krishna Computer Interview Questions and Answers
- Q1. All Root to Leaf Paths in Binary Tree You have a binary tree containing 'N' nodes labeled from 1 to 'N'. Your objective is to enumerate every path from the root to each ...read moreasked in Software Engineer interview
- Q2. Count Diagonal Paths You are given a binary tree. Your task is to return the count of the diagonal paths to the leaf of the given binary tree such that all the values of ...read moreasked in Software Engineer interview
- Q3. Longest Increasing Subsequence Problem Statement Given an array of integers with 'N' elements, determine the length of the longest subsequence where each element is grea ...read moreasked in Software Developer interview
Krishna Computer Interview Experiences
3 interviews found
Anonymous
I was interviewed in Dec 2020.
(1 Question)
Round duration - 40 minutes
Round difficulty - Medium
It was in the early morning. Questions was mostly from aptitude and coding based.
- Q1.
Count Subsequences Problem Statement
Given an integer array
ARRof sizeN, your task is to find the total number of subsequences in which all elements are equal.Explanation:
A subsequence of an array i...
(1 Question)
Round duration - 25 minutes
Round difficulty - Easy
It was in the afternoon period and it was very competitive.
- Q1.
Longest Increasing Subsequence Problem Statement
Given an array of integers with 'N' elements, determine the length of the longest subsequence where each element is greater than the previous element. This...
Round duration - 15 minutes
Round difficulty - Medium
It was late night. Interviewer was asking tricky questions to confuse me
Interview Preparation Tips
Tip 1 : Practice much more on coding or output based questions from trusted website
Tip 2 : Make sure your resume look skill full and nice
Tip 3 : Avoid any hesitation in interview while giving answers
Tip 1 : Try to attach any specific skill with authorized certificate from good coding platform like Coding Ninja
Tip 2 : Make sure you have full confidence in the skills you have mentioned
Skills evaluated in this interview
Software Developer Interview Questions asked at other Companies
I was interviewed in Dec 2020.
(2 Questions)
Round duration - 30 minutes
Round difficulty - Medium
It was in the morning around 8:00AM-8:30AM. Platform used for this round was hackerrank. Coding questions were of moderate level.
- Q1.
Count Diagonal Paths
You are given a binary tree. Your task is to return the count of the diagonal paths to the leaf of the given binary tree such that all the values of the nodes on the diagonal are equa...
- Q2.
All Root to Leaf Paths in Binary Tree
You have a binary tree containing 'N' nodes labeled from 1 to 'N'. Your objective is to enumerate every path from the root to each leaf.
A leaf is defined as a node wi...
- Ans.
The task is to print all the root to leaf paths of an arbitrary binary tree.
Traverse the binary tree using depth-first search (DFS) algorithm
Maintain a current path list to keep track of the nodes in the current path
When reaching a leaf node, add the current path to the result list
Recursively explore the left and right subtrees
Remove the last node from the current path after exploring each subtree
Round duration - 20 minutes
Round difficulty - Easy
It was in the evening around 4:00PM-4:20PM. Platform used for this round was skype. Interviewer was very calm in questioning.
Interview Preparation Tips
Tip 1 : Do practice as much as possible.
Tip 2 : Focus on skills rather than more on memorising.
Tip 1 : It should not be too long or too short.
Tip 2 : Do not put false things on resume.
Skills evaluated in this interview
Software Engineer Interview Questions asked at other Companies
I was interviewed in Dec 2020.
(1 Question)
Round duration - 25 minutes
Round difficulty - Easy
- Q1.
Count Subsequences Problem Statement
Given an integer array
ARRof sizeN, your task is to find the total number of subsequences in which all elements are equal.Explanation:
A subsequence of an array i...
Round duration - 10 Minutes
Round difficulty - Medium
Interview Preparation Tips
Tip 1 : Do practice as much as you can
Tip 2 : Work on your communication skills
Tip 1 : It should look presentable
Tip 2 : Skills should be mentioned properly
Skills evaluated in this interview
Software Developer Interview Questions asked at other Companies
Top trending discussions
Interview questions from similar companies
I was interviewed in Jan 2025.
(14 Questions)
- Q1. What is the code to read a CSV file into a DataFrame using PySpark?
- Q2. What is your approach to refactoring code?
- Q3. How do you optimize pyspark code, how is peer review done,
- Q4. What is the SQL query to join employee departments along with the count of employees in each department?
- Q5. What is lazy evaluation in PySpark, and can you provide examples to illustrate this concept?
- Q6. How do you write SQL queries using PySpark code?
- Q7. What are the methods used to load data into a database?
- Q8. What is the redshift spectrum?
- Q9. What are the different types of indexing used in databases?
- Q10. Could you describe your experience with sharing your screen to write PySpark code during scenarios in a Teams call, especially when you were using a mobile device?
- Q11. What types of documentation are typically created during a project, and how is this documentation prepared?
- Q12. How do you ensure that your code is written optimally, and how do you evaluate, debug, and test it for various scenarios?
- Q13. What kind of documentation is written for pyspark code
- Q14. What are the best practices that you follow?
Interview Preparation Tips
2. As a data platform architect, the role requires extreme level understanding of pyspark and sql not just overview as in other data architect role.
3. Docu
Selected
I was interviewed in Jan 2025.
(2 Questions)
- Q1. Sale price on on day
- Q2. Start working
Interview Preparation Tips
Key points to remember:
Prioritize networking:
Utilize your network to connect with people in the industry, attend industry events, and leverage platforms like LinkedIn to build relationships with potential hiring managers.
Tailor your resume:
Include relevant sales keywords throughout your resume to catch the attention of recruiters and ensure your experience aligns with the job description.
Practice your sales pitch:
Prepare compelling stories from your past experiences to demonstrate your ability to close deals, overcome objections, and build rapport during interviews.
Follow up consistently:
After submitting applications, send personalized follow-up emails to maintain engagement with potential employers.
Research companies:
Actively monitor companies you're interested in by following their social media and news to stay informed about potential openings.
Highlight transferable skills:
Even if you lack direct sales experience, emphasize skills like communication, persuasion, relationship building, and problem-solving that translate well to a sales role.
Ask insightful questions:
During interviews, demonstrate your knowledge of the company and role by asking thoughtful questions that show your genuine interest.
Be enthusiastic and confident:
Convey a positive attitude and express your passion for sales to make a strong impression on potential employers.
Anusha Kunapuri
Selected
(3 Questions)
- Q1. Basics like introduction background
- Q2. Introduce yourself
- Q3. What is your background
(1 Question)
- Q1. Interview are very simple and average person can clear huge hiring
(1 Question)
- Q1. 1. Screening 2. Introduction interview basic questions 3. Voice assessment 4. Written assignment 5. Confery test 6. Operation test 7. If qualified final manager round List looks scary to crack but v...
I was interviewed in Jan 2025.
(8 Questions)
- Q1. Self intro and project architecture
- Q2. What are the data sources used?
- Q3. Bigquery architecture
- Q4. Partition vs clustering
- Q5. Bq commands on create table and load csv file
- Q6. Bq commands on show the schema of the table
- Q7. Explain about leaf nodes and columnar storage.
- Q8. How many slots are there in bigquery?
I was interviewed in Jan 2025.
A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8
The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.
(6 Questions)
- Q1. Interviewer was himself not knowing anything as it was walkin drive he was sitting infront of me and checking questions on phone Introduction that he inturrepted in between when I was introducing myself
- Q2. What are the features of Java 17, specifically related to sealed classes, including their syntax and necessity, along with the potential errors encountered when invoking a sealed class?
- Ans.
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.
Subclasses of a sealed class must be either final or sealed themselves.
Errors may occur when trying to extend a sealed class with a non-permitted subclass.
- Q3. Java 8 feathers stream api, functional interface, Intermittent operator ,Ternary operator, Prediction,Bi predicate. Answered all successfully
- Q4. Draw low level design of implementation of notify me if item is back in stock in a ecommerce application
- Ans.
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
Create a database table to store user notifications for out-of-stock items
Implement a service to check item availability and send notifications to subscribed users
Provide a user interface for users to subscribe to notifications for specific items
- Q5. All design patterns which I know. Asked me to implement adapter pattern on paper
- Q6. Then given a problem that concurrent way perform operation on excell to decrease the response time
Interview Preparation Tips
Selected
(5 Questions)
- Q1. What is DHCP and how many type of DHCP and please explain how to work DHCP DORA Process ?
- Q2. What is OU and how to configure and Please Explain ADC ?
- Q3. What is APIPA and how to work and what is APIPA Range.
- Q4. Please explain OSPF and BGP ?
- Q5. What is OSI layer and please explain all Layer ?
Selected
I was interviewed in Jan 2025.
(5 Questions)
- Q1. As per hr question
- Q2. What is your strength
- Q3. Why are you choose this company?
- Q4. After 5 years where you see which position?
- Q5. Why should we hire you?
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