iEnergizer Technical Engineer Interview Questions and Answers for Experienced

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. About network related Am coordinating with field engineers and also service providers to resolve network issue. If modem is gone faulty coordinate with concern problem work done.
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Q2. Any question u ask If i knows ll share the answer with true.
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Q3. Know about infosys
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Q4. Any questions related to my family members
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Q5. Previous job related and my job journey
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Q6. Coordinate with field engineers to solve the issue
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Q7. Any questions u want to ask.
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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. 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 ?
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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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Q1. To resolve user issue, which software you will choose for to take remote.
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Q1. Tell me about yourself
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Q2. Your best memory in your school days ?
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Typing test

Chatting with a HR to check grammar

Q1. My speaker isn't working
Ans. Check your mike unplug and plug it back in try another port
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