Apex Research Laboratory Full Stack Developer Interview Questions and Answers

Quantitative , figure ,mcq question based on tech stack and 2 coding question which are basic. 90 minute time limit.

Q1. Angular question
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Q2. .net question and sql question
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Regarding To My Full Stack

Regarding To My Full Stack

Q1. What Is Python And Discuss With Some Questions
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Q2. In that Case Studies
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Q1. Java related questions
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Q1. Basic intro with work experience and skillset
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Q1. After a quick intro jumped into coding - it was an easy DSA question which unfortunately i wasn't able to solve in best time complexity. - find 2nd max element in an array (this was in JS language) you ca...read more
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Q2. Alot of questions on vanilla JS
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Q3. Asked if i know mongoDB as its a full stack dev role - which i didnt knew so i said not prepared as of now
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Q4. Asked React questions - higher order component, hooks, useeffect, prepare lifecycle methods thouroughly
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Q1. Explain architecture of project
Ans. 
The project architecture follows a microservices design pattern with separate front-end and back-end components.
• Utilizes microservices architecture for scalability and flexibility

• Separate front-end and back-end components for modularity

• May include technologies like Docker for containerization and Kubernetes for orchestration
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Q2. Async and await difference
Ans. 
Async and await are keywords in JavaScript used for handling asynchronous operations.
• Async is used to define a function as asynchronous, allowing it to use the await keyword.

• Await is used to pause the execution of an async function until a Promise is settled.

• Async functions always return a Promise, which resolves with the value returned by the function.

• Using async/await makes asynchronous code easier to read and write
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There are 4 coding questions in first round

Q1. Some basic statistics questions and data structure questions
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Q1. Basics Javascript
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Round duration - 90 Minutes
Round difficulty - Medium

It was at 9 am in the morning

Q1. 
Add Two Numbers as Linked Lists
You are given two singly linked lists, where each list represents a positive number without any leading zeros.
Your task is to add these two numbers and return the sum as ...read more
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Q2. 
Cycle Detection in Undirected Graph Problem Statement
You are provided with an undirected graph containing 'N' vertices and 'M' edges. The vertices are numbered from 1 to 'N'. Your objective is to determi...read more
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Round duration - 50 Minutes
Round difficulty - Hard

Q1. 
Maximum Subarray Sum Problem Statement
Given an array ARR consisting of N integers, your goal is to determine the maximum possible sum of a non-empty contiguous subarray within this array.
Example of Sub...read more
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Round duration - 30 Minutes
Round difficulty - Hard

Happened on teams

Q1. Can you explain yourself and describe how you would manage a team of 10 employees?
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