National Informatics Centre Interview Questions, Process, and Tips

Server side state management is the process of storing and managing data on the server side of a web application.

• It involves storing data on the server instead of the client side

• It helps maintain consistency and security of data

• Examples include session management and database management

Page life cycle refers to the series of events that occur between the time a user requests a web page and the time the page is rendered on the user's browser.

• Page life cycle consists of several stages such as initialization, loading, rendering, and unloading.

• During initialization, the page is created and controls are initialized.

• During loading, the page is loaded with data and controls are populated.

• During rendering, t...read more

The components of .NET include the Common Language Runtime, Framework Class Library, and ASP.NET.

• Common Language Runtime (CLR) - manages memory, security, and execution of code

• Framework Class Library (FCL) - collection of reusable classes, interfaces, and value types

• ASP.NET - web application framework for building dynamic web pages and web services

Cookies are small text files stored on a user's computer by a website to remember user preferences and login information.

• Cookies are used to track user activity on a website

• They can be used to store user preferences and login information

• Cookies can be either session cookies or persistent cookies

• Session cookies are deleted when the user closes their browser

• Persistent cookies remain on the user's computer until they expi

CLR stands for Common Language Runtime, a component of .NET framework that manages execution of .NET programs.

• CLR is responsible for memory management, security, and exception handling.

• It compiles code into an intermediate language (IL) and then executes it.

• CLR allows for language interoperability, meaning that code written in different languages can be compiled to the same IL and run on the same runtime.

• Examples of la...read more

OSI model is a conceptual framework for understanding network communication. Satellite communication is a type of wireless communication.

• OSI model has 7 layers, each with a specific function in network communication

• Networking involves connecting devices to share resources and information

• Satellite communication uses satellites to transmit signals over long distances

• Satellite communication is used for TV broadcasting, GP

SQL injection is a type of cyber attack where malicious SQL statements are inserted into an entry field to manipulate the database.

• SQL injection is a common attack on web applications that use SQL databases.

• Attackers can use SQL injection to bypass authentication, steal data, or modify data.

• SQL injection can be prevented by using prepared statements, input validation, and limiting database privileges.

• Example: If a logi...read more

PHP session is a way to store user data on the server for later use.

• Sessions are started with session_start() function

• Session data is stored in $_SESSION superglobal array

• Session ID is stored in a cookie on the user's browser

• Session can be destroyed with session_destroy() function