Firstcall Teleservices Engineer Interview Questions and Answers

Q1. Why you want to work with us
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Q2. You are in coding then why you want to work in BPO/KPO
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Logic questions, distance , direction, english

Q1. Hdhdhdh hdhdhdhd hdhdhdh
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Q2. Hsbsh hdbdh hdhdhd hdhsh
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Q1. Joined in as fresher so asked about HTML, CSS, basics of oops
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Q1. The question will be based on interviewer experience.
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Q1. General HR round about your financial and documents and location related.
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Q1. What is the name of the company you have worked for, and what is your past experience?
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Q1. What is dependency injection
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Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by providing a way to mock dependencies.

• There are three types of dependency injection - constructor injection, setter injection, and interface injection.
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Q1. Explain solid principles
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SOLID principles are a set of five design principles that help make software more maintainable, flexible, and scalable.
• Single Responsibility Principle (SRP) - a class should have only one reason to change

• Open/Closed Principle (OCP) - classes should be open for extension but closed for modification

• Liskov Substitution Principle (LSP) - objects of a superclass should be replaceable with objects of its subclasses without a...read more
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Backtest option strategy