Mphasis Technical Architect Interview Questions and Answers

Q1. What is difference between a static method and a class method in Python?
Ans. 
Static methods are bound to a class and not an instance, while class methods are bound to a class and can access class-level variables.
• Static methods are defined using the @staticmethod decorator and do not take any special parameters.

• Class methods are defined using the @classmethod decorator and take the class itself as the first parameter.

• Static methods are often used for utility functions that do not require access ...read more
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Q2. What are HTTP methods?
Ans. 
HTTP methods are the actions that can be performed on a resource using HTTP protocol.
• HTTP methods include GET, POST, PUT, DELETE, HEAD, OPTIONS, CONNECT, and TRACE.

• GET is used to retrieve a resource, POST is used to create a new resource, PUT is used to update an existing resource, and DELETE is used to delete a resource.

• HEAD is used to retrieve the headers of a resource without the body, OPTIONS is used to retrieve th...read more
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Q3. What are the components of HTTP request?
Ans. 
HTTP request components include method, URL, headers, and body.
• Method: GET, POST, PUT, DELETE, etc.

• URL: Uniform Resource Locator

• Headers: contain additional information about the request

• Body: optional data sent with the request

• Example: GET http://example.com HTTP/1.1

• Example header: Accept-Language: en-US

• Example body: {"name": "John", "age": 30}
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Q4. What are class dacorators?
Ans. 
Class decorators are a way to modify the behavior of a class or its methods at runtime.
• Class decorators are functions that take a class as input and return a modified class.

• They can be used to add new methods or attributes to a class, or to modify existing ones.

• They are applied using the @decorator syntax before the class definition.

• Examples include @staticmethod, @classmethod, and @property.

• Class decorators can also b...read more
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Q2. What is sql,what is join operation
Ans. 
SQL is a programming language used for managing and manipulating relational databases. Join operation combines rows from two or more tables based on a related column.
• SQL is a language used to interact with databases

• It allows users to create, modify, and retrieve data from databases

• Join operation combines data from multiple tables based on a common column

• Types of joins include inner join, left join, right join, and full...read more
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