In web applications, what is the purpose of an API? To encrypt data To facilitate communication between software components To serve as a firewall To design the user interface

To facilitate communication between software components

What is the function of middleware in a web application? To store user data To facilitate communication between the front-end and back-end To handle user authentication To display content

To facilitate communication between the front-end and back-end

What does REST stand for in the context of web services? Remote Execution Service Technology Representational State Transfer Reliable Secure Transfer Resource Sharing Technology

Representational State Transfer

What is the role of a load balancer in web architecture? To store data persistently To distribute client requests across multiple servers To create dynamic content To manage database queries

To distribute client requests across multiple servers

What is the primary role of the front-end component in web applications? To manage server-side logic To handle database queries To interact with the user and display data To perform backend calculations

To interact with the user and display data

In the context of web applications, what does the term 'client-server model' refer to? A single-tier application structure An architecture where multiple clients request services from a server A peer-to-peer communication model A model where servers interact with each other only

An architecture where multiple clients request services from a server

What is the main purpose of a database in web application architecture? To render the user interface To store and retrieve application data To validate user inputs To manage network connections

To store and retrieve application data

What is the role of middleware in a web application architecture? To provide a user interface To facilitate communication between applications and databases To store user data To handle front-end frameworks

To facilitate communication between applications and databases

Which of the following best describes the client-server model in web applications? A single-tier architecture where all components are on one server A distributed architecture where the client requests services from the server A peer-to-peer model where each node has equal responsibilities A monolithic architecture with tightly coupled components

A distributed architecture where the client requests services from the server

What role does the front-end component play in a web application architecture? It processes business logic and communicates with databases It handles user interactions and displays data from the server It stores persistent data for long-term use It manages network traffic and load balancing

It handles user interactions and displays data from the server

In a web application, what is the primary function of the database component? To render the user interface To store and retrieve data as requested by the server To handle HTTP requests and responses To manage user authentication and sessions

To store and retrieve data as requested by the server

What is an API, and how is it used in web applications? A protocol for secure data transmission A set of rules for building network applications An interface for communication between different software components A tool for designing user interfaces

An interface for communication between different software components

How does a Load Balancer improve the performance of a web application? By serving static content directly to users By distributing incoming network traffic across multiple servers By caching frequently accessed data By encrypting data before transmission

By distributing incoming network traffic across multiple servers

What is the main advantage of implementing RESTful APIs in web applications? They allow for real-time data streaming They are highly scalable and can handle multiple types of calls They simplify server-side logic They are limited to synchronous operations

They are highly scalable and can handle multiple types of calls

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