Teleperformance Technical Specialist Interview Questions and Answers

DS,DNS,DHCP,DFS,OUTLOOK,VPN

Q1. What is DORA , what is DNS and DHCP
Ans. 
DORA is a framework for measuring software delivery performance. DNS is a system that translates domain names to IP addresses. DHCP is a protocol for automatically assigning IP addresses to devices.
• DORA stands for DevOps Research and Assessment, a framework for measuring software delivery performance

• DNS stands for Domain Name System, translates domain names to IP addresses

• DHCP stands for Dynamic Host Configuration Prot...read more
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Q1. What is active directory and DC promotion
Ans. 
Active Directory is a directory service that stores information about objects on a network, while DC promotion is the process of promoting a server to a domain controller.
• Active Directory is a centralized database that stores information about network resources such as users, computers, and printers.

• It allows administrators to manage and secure resources within a network.

• DC promotion is the process of installing Active...read more
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Asked to write a code to select values on the basis of the map keys using java 8 stream API

Q1. How OAuth works?
Ans. 
OAuth is an open standard for access delegation, commonly used as a way for Internet users to grant websites or applications access to their information on other websites but without giving them the passwords.
• OAuth allows users to grant access to their information without sharing their passwords.

• It is commonly used for authentication and authorization in web applications.

• OAuth uses tokens to grant access to resources o...read more
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Q2. Benefits of using Stream API.
Ans. 
Stream API provides a way to process collections of objects in a functional style.
• Allows for concise and readable code

• Supports parallel processing for improved performance

• Provides a set of powerful functions like map, filter, reduce, etc.

• Enables lazy evaluation for better memory efficiency
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Q1. Salary Negotiation
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Q1. Normal js questions
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Q2. React - create a to do list
Ans. 
Create a to do list using React
• Create a new React project using create-react-app

• Create a component for the to do list

• Use state to manage the list of tasks

• Allow users to add new tasks and mark tasks as completed

• Style the to do list using CSS or a UI library like Material-UI
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Q3. What you know about typescript
Ans. 
TypeScript is a superset of JavaScript that adds static typing and other features to help developers write more robust code.
• TypeScript is a statically typed language that compiles to plain JavaScript

• It supports modern JavaScript features like classes, interfaces, and modules

• TypeScript helps catch errors at compile time, making code more reliable and maintainable
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Q1. Normal js questions
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Q2. Write a map function.
Ans. 
A map function applies a given function to each element of an array and returns a new array with the results.
• Use the map function to iterate over each element of the array

• Pass a callback function as an argument to the map function

• The callback function should take the current element as input and return the transformed element

• Example: const arr = ['apple', 'banana', 'cherry']; const newArr = arr.map(item => item.toUpper
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Q1. What is role in your project?
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Q2. What challenges you faced in your career?
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Q1. About basics of Wi-Fi and other technical concepts of previous jobs
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Q1. Questions based on interview
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Q2. Tell me about yourself? Tell me about your old job? What is Empathy in customer service and how it could impact the transaction?
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Q1. Technical stack in mobile application?
Ans. 
The technical stack in mobile application includes programming languages, frameworks, libraries, and tools used to develop the app.
• Programming languages: Java, Kotlin, Swift, Objective-C

• Frameworks: React Native, Flutter, Xamarin

• Libraries: Retrofit, Alamofire, Glide, Picasso

• Tools: Android Studio, Xcode, Visual Studio

• Other technologies: RESTful APIs, Firebase, Push notifications
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Q2. Native library’s in ios ?
Ans. 
Native libraries are pre-compiled code that can be used in iOS apps for various functionalities.
• Native libraries are written in languages like C, C++, and Objective-C.

• They can be used for tasks like image processing, audio and video playback, and networking.

• Examples of native libraries in iOS include Core Data, Core Graphics, and Core Animation.
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