ITSC Technologies Technical Support Engineer Interview Questions and Answers

Q1. Brief self introduction
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Q1. For fresher, How do you troubleshoot when user is getting a blue screen error?
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Q1. Sql query , database connectivity,
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Q2. Unix commands , grep, find, sed
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Hackerrank medium - hard lavel questions

Q1. DSA question of finding the largest element and it's occurrence. Along with time complexity.
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Q2. OOP, DBMS and all fundamentals
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Q1. Project related question and why IBM?
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Q2. Explain the issues handled in previous project
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Q1. Tell Me about Yourself?
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Q2. Why Do you want to work with Teleperformance?
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I want to work with Teleperformance because of their reputation for providing excellent technical support services and opportunities for career growth.
• Teleperformance has a strong reputation for providing top-notch technical support services to a wide range of clients.

• I am impressed by Teleperformance's commitment to employee development and growth opportunities.

• I believe that working at Teleperformance will allow me t...read more
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Mathematical Logical And counication test

Q1. What are oops concepts
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Oops concepts refer to Object-Oriented Programming concepts that help in organizing and managing code efficiently.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the complex implementation...read more
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Q2. Database related questions
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Q3. Write a program in java
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A program in Java to print 'Hello, World!'
• Create a class with a main method

• Use System.out.println() to print the message
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Q4. Java reltated questions
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Q5. Depends on ur resume
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Q1. Where do you see yourself in five years
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Q2. Situation based questions
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Q3. Why u want to work for this company
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Q4. Your hobbies related questions
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Q1. Tell about the oops ocncpets
Ans. 
Object-oriented programming concepts focus on classes, objects, inheritance, encapsulation, and polymorphism.
• Classes: Blueprint for creating objects with attributes and methods.

• Objects: Instances of classes that contain data and behavior.

• Inheritance: Allows a class to inherit attributes and methods from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Abil...read more
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Q1. What is JavaScript
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JavaScript is a programming language used to add interactivity and dynamic features to websites.
• JavaScript is a client-side scripting language.

• It is primarily used for web development.

• JavaScript can be embedded directly into HTML pages.

• It allows for the manipulation of webpage elements and handling of events.

• Common uses include form validation, creating interactive content, and AJAX requests.
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Q2. What is closure
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Closure is a programming concept that allows a function to access variables from its parent scope even after the parent function has finished executing.
• Closure is created when a nested function references a variable from its outer function.

• The inner function can access and modify the variables from the outer function.

• Closure helps in encapsulating data and creating private variables in JavaScript.

• It allows functions to...read more
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Q3. Explain map method
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The map method is used to create a new array by applying a function to each element of an existing array.
• The map method takes a callback function as an argument.

• The callback function is executed on each element of the array.

• The result of the callback function is added to the new array.

• The map method does not modify the original array.

• Example: ['apple', 'banana', 'cherry'].map(fruit => fruit.toUpperCase()) returns ['APP
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Q4. What is react.js
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React.js is a JavaScript library for building user interfaces.
• React.js is used for creating reusable UI components.

• It follows a component-based architecture.

• React.js uses a virtual DOM for efficient rendering.

• It allows for declarative and efficient updates to the UI.

• React.js is widely used in web development for building interactive and dynamic user interfaces.
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Q5. Explain promise in JavaScript
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A promise in JavaScript is an object representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations such as fetching data from a server or reading a file.

• They provide a cleaner and more readable way to write asynchronous code compared to using callbacks.

• Promises have three states: pending, fulfilled, or rejected.

• They can be chained using the then() metho...read more
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