Benison Technologies Interview Questions and Answers

Q1. What are closures in javascript
Ans. 
Closures in JavaScript are functions that have access to variables from their outer scope even after the outer function has finished executing.
• Closures allow for maintaining state in an asynchronous environment

• They are created whenever a function is defined within another function

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(outerVar); }; }
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Q1. Is NaN === NaN
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Q1. How do you handle stressful situations?
Ans. 
I handle stressful situations by staying calm, prioritizing tasks, and seeking support when needed.
• I prioritize tasks to focus on what needs to be done first

• I take breaks to clear my mind and refocus

• I communicate with team members or supervisors for guidance and support

• I practice mindfulness techniques such as deep breathing or meditation
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Q1. Introduction yourself
Ans. 
I am a dedicated PL/SQL developer with 5 years of experience in designing and implementing database solutions.
• Experienced in writing complex PL/SQL queries and stored procedures

• Proficient in performance tuning and optimization of SQL queries

• Skilled in database design and normalization principles

• Familiar with Oracle database technologies such as triggers and packages
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Q2. What is join and its types
Ans. 
Join is used to combine rows from two or more tables based on a related column between them.
• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• RIGHT JOIN returns all rows from the right table and the matched rows from the left table

• FULL JOIN r...read more
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Q1. What basic information can you provide about yourself?
Ans. 
I am a software implementation engineer with 5 years of experience in implementing and customizing software solutions for clients.
• 5 years of experience in software implementation

• Skilled in customizing software solutions for clients

• Strong understanding of software development lifecycle

• Proficient in programming languages such as Java and Python
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Q1. What is your experience with Bitrix24?
Ans. 
I have extensive experience with Bitrix24, including customization, integration, and troubleshooting.
• Implemented Bitrix24 for project management in previous role

• Customized Bitrix24 CRM to fit company's specific needs

• Integrated Bitrix24 with other software systems for seamless workflow

• Troubleshooted and resolved issues with Bitrix24 functionality
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Q1. Definition. node js , callback, eventloop
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Q2. What is callback hell
Ans. 
Callback hell is a situation in asynchronous programming where multiple nested callbacks make the code difficult to read and maintain.
• Occurs when multiple asynchronous operations are nested within each other

• Can lead to deeply nested code which is hard to understand and debug

• Can be mitigated using promises, async/await, or libraries like async.js
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Q3. What is react and workingwhich site
Ans. 
React is a JavaScript library for building user interfaces.
• React is used for creating interactive UI components.

• It allows developers to build reusable UI components.

• React uses a virtual DOM for efficient rendering.

• React is commonly used in web development for single-page applications.
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Q4. What is loops and how we use
Ans. 
Loops are used in programming to repeat a block of code multiple times until a certain condition is met.
• Loops help in automating repetitive tasks

• Types of loops include for, while, and do-while

• Example: for loop to iterate over an array and perform an operation on each element
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Q5. What is child process
Ans. 
A child process is a process created by another process, known as the parent process.
• Child processes inherit resources and attributes from the parent process.

• Child processes can communicate with the parent process and other child processes.

• Examples include when a program spawns multiple processes to perform different tasks.
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Aptitude test was online test

Q1. HR round was introductory round
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Q1. One -on-one was with hiring manager
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Q1. Basic exp details
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Q2. Salary expectations
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Inventory based task for web app

Q1. Overall exp discussion with CEO
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