Cloudsufi Associate Qa Software Engineer Interview Questions and Answers

General aptitude test with math and logic related questions. there were also coding questions which were given more weightage than the other questions.

Q1. Standard linked list questions like finding the middle of a linked list, checking if the linked list is a loop etc
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Q2. Max heap related questions.
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Q1. This interview was mostly math related questions. for eg: prove if a number is irrational.
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Q1. Basic Question on Tree Traversals
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Q2. Questions of Linked List
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Question related to tree and graph

Question related to array and tree

Q1. Question related to projects, puzzles, one dsa as well
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Q1. Design a data structure that can take a number with infinite digits and support operation like addition
Ans. Create a linked list of number where each node is a digit of a number
Answered by inspiringstarfruit
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Q2. Explain in-depth of the projects you did
Ans. Explain project in details with all complexities
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Q1. Design a system that reads content of a file and show it in a webpage as the file gets update the webpage should also get updated in realtime
Ans. 
Design a system to display real-time updates of a file's content on a webpage.
• Use a server-side programming language like Node.js to read the file content.

• Implement a WebSocket connection between the server and the webpage for real-time updates.

• Whenever the file is updated, send the updated content to the webpage using the WebSocket connection.

• Update the webpage dynamically using JavaScript to display the new content.
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Q1. Engineering Manager round - Explain the projects you did in detail
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Q1. Director round - Explain the projects in details
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Q1. Explain projects in high level
Ans. 
I have worked on various projects involving software development and implementation.
• Developed a web application for a retail company to manage inventory and sales.

• Implemented a mobile app for a healthcare organization to track patient data and appointments.

• Created a data analysis tool for a financial institution to analyze market trends and make investment decisions.
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Q2. Explain your strong points
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Q3. Explain your entire background
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Q1. Explain what happens when we click on a URL
Ans. 
When we click on a URL, the browser sends a request to the server, which responds with the requested webpage.
• Clicking on a URL triggers the browser to send an HTTP request to the server.

• The server receives the request and processes it.

• The server then sends back a response containing the requested webpage.

• The browser receives the response and renders the webpage for the user to view.
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Q2. When a number is represented in LinkedList, how do we add 2 numbers
Ans. 
To add two numbers represented as linked lists, iterate through both lists simultaneously, adding corresponding digits and carrying over the carry value.
• Create a new linked list to store the result.

• Initialize a carry variable to 0.

• Iterate through both linked lists simultaneously, adding the corresponding digits and the carry value.

• If the sum of the digits is greater than 9, update the carry value and store the remainde...read more
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Q1. Machine coding round
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Q2. Chat app using sockets
Ans. 
A chat app using sockets allows real-time communication between users.
• Use a socket library or framework to handle the communication.

• Implement a server that listens for incoming connections and manages the chat rooms.

• Establish a socket connection between the server and clients for sending and receiving messages.

• Handle message encryption and decryption for secure communication.

• Implement features like user authentication,...read more
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Q1. Project Discussions
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Q1. Why am i leaving my old org etc
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Code the LRU cache on hacker rank

Q1. Code the tail -f logger
Ans. 
Implement a tail -f logger in code
• Use a file pointer to open the log file

• Read the file line by line and print new lines as they are added

• Use a loop to continuously check for new lines in the file
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A working software coding problem. Build client-server. Make sure your IDE is ready

Q1. Difference between async, concurrency and parallelism
Ans. 
Async is non-blocking, concurrency is managing multiple tasks at the same time, parallelism is executing multiple tasks simultaneously.
• Async allows non-blocking execution of code, enabling other tasks to run while waiting for I/O operations.

• Concurrency involves managing multiple tasks at the same time, but not necessarily simultaneously.

• Parallelism is executing multiple tasks simultaneously, utilizing multiple CPU core...read more
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Q2. Journey of request
Ans. 
The journey of a request refers to the process of a request being made, processed, and fulfilled by a system.
• Request initiation by a user or system

• Routing of the request to the appropriate service or endpoint

• Processing of the request by the service

• Response generation and delivery back to the user
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Q1. What are your strengths
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Q2. What irritates you
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