Cohesity Member Technical Staff Interview Questions and Answers

Code snippets apti to guess output

5 questions with each 15 min time

Long coding with 2 hrs time

Q1. Db modelling for accounting app
Ans. 
Database modeling for an accounting application
• Identify entities such as customers, invoices, transactions, and accounts

• Establish relationships between entities (e.g. one-to-many, many-to-many)

• Consider normalization to reduce redundancy and improve data integrity

• Use primary keys and foreign keys to maintain data consistency

• Implement constraints to enforce business rules (e.g. unique constraints, check constraints)
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Q2. Class diagram and system design for any fintech app
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A fintech app class diagram and system design involves modeling classes, relationships, and interactions for financial services.
• Identify key classes such as User, Account, Transaction, and Payment

• Define relationships between classes (e.g. User has many Accounts, Account has many Transactions)

• Consider security measures for sensitive financial data

• Include features like authentication, authorization, and encryption

• Design ...read more
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Q1. Asked coding question on array medium level.
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Q1. Asked design related question and coding question and current project architecture etc
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Q1. Techno behavioural question
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Q1. Salary negotiation
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Q1. What are the key components and considerations for low-level design in a healthcare system?
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Leetcode medium and easy

Q1. OOPs concept - basic questions
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Q2. Java fundamentals - scenario based questions
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Q1. Where do you see yourself in 5 years
Ans. 
In 5 years, I see myself as a senior member of the technical staff, leading projects and mentoring junior team members.
• Continuing to develop my technical skills and expertise

• Taking on more leadership responsibilities within the team

• Mentoring and guiding junior team members

• Contributing to the overall success and growth of the organization
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Q2. What do you know about the company
Ans. 
Company is a leading technology company specializing in software development and innovation.
• Founded in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne

• Known for popular products such as iPhone, iPad, Mac computers, and Apple Watch

• Headquartered in Cupertino, California

• Employs over 100,000 people worldwide

• Revenue of over $260 billion in 2019
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Q1. Medium DSA question based on string and sliding window algorithm
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Q1. 2 Medium DSA Questions - 1 was based on using heaps (both min and max) - 1 was based on binary search with using few other optimisations
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Q1. LLD Round - Based on Designing HashMap
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Q1. Couple of behavioural questions and small discussion on one of the projects mentioned on Resume. Was a friendly discussion of around 30 mins.
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Q1. Design and explain ext file system
Ans. 
Ext file system is a widely used file system in Linux for organizing and managing files on storage devices.
• Ext stands for Extended File System

• Supports features like journaling, access control lists, and extended attributes

• Uses inodes to store metadata about files and directories

• Supports different block sizes for efficient storage allocation
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Q2. A question about networking and cryptography
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A problem on dynamic programming

The questions pertain to strings, arrays, and matrices.

Q1. Building an application similar to Swiggy using Tomcat
Ans. 
Building a Swiggy-like application using Tomcat
• Utilize Tomcat as the web server to handle HTTP requests

• Implement a database to store user information, restaurant details, and orders

• Develop a user-friendly interface for customers to browse restaurants and place orders

• Integrate payment gateway for secure transactions

• Implement features like order tracking, reviews, and ratings for restaurants

• Ensure scalability and perform...read more
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First round was hacker rank test

Two coding questions and optimisation and other basic DS and OOPS questions

Q1. Deep diving into current project works
Ans. 
I am currently working on developing a new feature for our company's website to improve user experience.
• Researching user feedback and analyzing data to identify areas for improvement

• Collaborating with designers and developers to create wireframes and prototypes

• Implementing and testing the new feature to ensure functionality and usability

• Gathering feedback from users through surveys and usability testing

• Iterating on the
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