Techjockey Infotech Pvt.Ltd. Senior Software Consultant Interview Questions and Answers

Q1. DSA - level order traversal, sliding window.
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Q1. Atomic transaction in distributed system
Ans. 
Atomic transactions ensure that all operations in a transaction are completed successfully or none at all in a distributed system.
• Atomic transactions guarantee that all operations within a transaction are either all successful or all rolled back.

• In distributed systems, atomic transactions are crucial for maintaining data consistency across multiple nodes.

• ACID properties (Atomicity, Consistency, Isolation, Durability) a...read more
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Computer Fundamentals

Q1. Flatten a binary tree
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Flatten a binary tree by converting it into a linked list in-place.
• Use a recursive approach to flatten the binary tree.

• Traverse the tree in a pre-order manner and keep track of the previous node.

• Set the left child of each node to null and the right child to the next node in the linked list.

• Example: Input: 1 -> 2 -> 5 -> 3 -> 4 -> null, Output: 1 -> null -> 2 -> null -> 3 -> null -> 4 -> null -> 5 -> null
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Q1. About your introduction
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Q2. About your career experience
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Q1. Job introduction and careers details
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Q2. Planning about business and idea about business
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Q1. Reading a tea shop how many can be installed and revenue generated
Ans. 
The number of tea shops that can be installed and the revenue generated depend on various factors such as location, target market, competition, and marketing strategies.
• Consider the population density and demographics of the area to determine the potential customer base.

• Analyze the competition in the area to understand the market saturation and demand for tea shops.

• Evaluate the foot traffic and visibility of potential ...read more
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Q2. Career background and new business idea
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Solving normal Puzzles to test aptitude.

Sample app was asked to create.

It was good, actually they asked parentheses balance question, Getting duplicate values , pallindrome question and also Target sum with O(n) TC.

Q1. Basic questions
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Q2. Tell Me about yourself?
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Q1. How can we improve the performance of a Front End System
Ans. 
Improving Front End System Performance
• Optimize images and reduce their size

• Minimize HTTP requests and use caching

• Use lazy loading for images and videos

• Reduce the number of DOM elements

• Use a Content Delivery Network (CDN)

• Minimize the use of external scripts and plugins

• Use asynchronous loading for scripts

• Optimize CSS and JavaScript files

• Use browser caching

• Implement server-side rendering
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Q2. What is Event Loop and give an example on how it works.
Ans. 
Event Loop is a mechanism that allows JavaScript to handle multiple tasks simultaneously.
• Event Loop is a part of JavaScript runtime that continuously checks the call stack and the task queue.

• It prioritizes the tasks in the queue and pushes them to the call stack when it's empty.

• This allows JavaScript to handle I/O operations and other asynchronous tasks without blocking the main thread.

• Example: setTimeout() function ad...read more
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- simple basic ios questions

Q1. Asked DSA array questions
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