Vertexplus Technologies Interview Questions and Answers

Proxies act as intermediaries between clients and servers, providing additional security, privacy, and performance benefits.

• Proxies can hide the client's IP address, providing anonymity and privacy.

• Proxies can cache data to improve performance by serving cached content instead of fetching it from the server every time.

• Proxies can filter and block malicious content, improving security.

• Proxies can bypass geo-restrictions...read more

Decorators are functions that modify the behavior of other functions or methods.

• Decorators are used to add functionality to existing functions without modifying their code.

• They are defined using the @decorator syntax in Python.

• Decorators can be used for logging, authentication, caching, etc.

• Example: @staticmethod decorator in Python marks a method as a static method.

Object-oriented programming (OOP) is a programming paradigm that uses objects to represent and manipulate data.

• OOP focuses on creating reusable code by organizing data and behavior into objects.

• Encapsulation, inheritance, and polymorphism are key principles of OOP.

• Real-time example: A car can be represented as an object with properties like color, model, and methods like start, stop, and accelerate.