Client-Server Architecture Basics
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Questions and Answers

Which of the following is NOT a server-side scripting language?

  • PHP
  • JavaScript (correct)
  • Python
  • Ruby

What is the primary purpose of a web server?

  • To execute client-side scripts
  • To store and manage data
  • To display web pages to users (correct)
  • To process user input and generate dynamic content

What is the difference between client-side and server-side scripts?

Client-side scripts are executed by the user's browser, while server-side scripts are executed on the web server.

Which of the following tasks can be performed by client-side scripts?

<p>Validate user input (B)</p> Signup and view all the answers

Which of the following is NOT a benefit of using server-side scripting?

<p>Reduced server load (C)</p> Signup and view all the answers

XAMPP is a web server distribution that includes Apache, MySQL, PHP, and Perl.

<p>True (A)</p> Signup and view all the answers

What is the purpose of XAMPP?

<p>XAMPP provides a local web server environment for testing and developing web applications.</p> Signup and view all the answers

What is the default document root directory for XAMPP on Windows?

<p>C:\xampp\htdocs\ (B)</p> Signup and view all the answers

Which of the following is NOT included in the XAMPP distribution by default?

<p>Node.js (D)</p> Signup and view all the answers

XAMPP can only be installed on Windows.

<p>False (B)</p> Signup and view all the answers

Which programming language is commonly associated with the command "print "Hello World"?"

<p>Python (C)</p> Signup and view all the answers

The client-server model is an outdated concept and no longer relevant in modern web development.

<p>False (B)</p> Signup and view all the answers

What is the difference between a client and a server in the client-server model?

<p>A client is typically a user's computer that requests information from a server. A server is a powerful computer that provides information and resources to clients.</p> Signup and view all the answers

Which of these is the best example of a client in the client-server model?

<p>A web browser (B)</p> Signup and view all the answers

What are the main components of an internet application architecture?

<p>An internet application architecture often consists of three tiers: client tier, middle tier, and information tier.</p> Signup and view all the answers

What is the purpose of the middle tier in a three-tier web application architecture?

<p>To process business logic and handle data interactions (C)</p> Signup and view all the answers

What are the main differences between client-side scripts and server-side scripts regarding their ability to access resources?

<p>Server-side scripts can access resources on the server, such as databases and operating system functionalities, while client-side scripts are primarily limited to the browser and its functionalities.</p> Signup and view all the answers

What is the primary goal of a client-server relationship in the context of web development?

<p>To allow users to access and share resources (D)</p> Signup and view all the answers

Server-side scripts are responsible for making sure a web page renders correctly in a web browser.

<p>False (B)</p> Signup and view all the answers

Client-side scripts can manipulate the data on the server side to help provide a more dynamic experience.

<p>False (B)</p> Signup and view all the answers

What is one of the main disadvantages of using client-side scripts when compared to server-side scripts?

<p>Client-side scripts can decrease performance for users with slow internet connections. (C)</p> Signup and view all the answers

What is the purpose of a database in a web application?

<p>A database is a structured repository of data that is used to store and manage the information needed for a web application.</p> Signup and view all the answers

Which of these are examples of a form element commonly used in web development?

<p>All of the above (D)</p> Signup and view all the answers

What is the role of a process in the context of form, process, database?

<p>The process acts as the intermediary between the form and the database, handling the data, logic, and calculations necessary to interact with the database based on user input.</p> Signup and view all the answers

Flashcards

Client-Side Script

A script that runs on the client's web browser, not the server.

Server-Side Script

A script that runs on a web server, not the client's browser.

Client

A computer that requests services from a server.

Server

A computer that provides services to clients.

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Client-Server Relationship

The fundamental way computers on a network work together.

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Web Browser

Software used to view web pages.

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Web Server

Software that handles requests from web browsers.

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JavaScript

Popular client-side scripting language.

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HTML

Markup language used to structure web pages.

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DHTML

Dynamic HTML, enabling user interaction.

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URL

Uniform Resource Locator, a web address.

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Server Side Include (SSI)

Server-side mechanism to embed data in web page.

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Database

Organized collection of data.

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HTTP

Hypertext Transfer Protocol, web communication protocol.

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TCP/IP

Transmission Control Protocol and Internet Protocol, data transmission protocol.

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Form Element

A control in a web form (buttons, radio, etc..).

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Business Logic

Rules determining data processing in web app.

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Presentation Logic

Displays output to the user in the web app.

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Controller Logic

Processes user requests and gets data.

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SQL

Structured Query Language, language for database manipulation.

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XAMPP

Web server distribution that includes Apache, MySQL, PHP, and Perl.

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Python

Popular programming language often used for server-side scripting.

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Internet Application

Application that utilizes the internet or network for communication.

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Client Tier

The user interface portion of a software application.

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Middle Tier

Handles user requests and communication with the data tier.

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Information Tier

The data storage and management portion of a software application.

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Study Notes

Client-Server Concept

  • Client-server systems involve clients initiating communication, and servers responding with information.
  • Clients request services, and servers provide them.
  • The server typically holds resources and information.
  • The client typically initiates requests.

Client-Side Scripting

  • Client-side scripts run on the user's computer (browser).
  • They are typically interpreted by the browser.
  • Client-side languages enhance web pages.
  • Client-side scripts are not processed on the server.
  • Client-side scripts are embedded in HTML documents.
  • JavaScript, JScript and VBScript are common client-side languages.
  • They are often used for validation and to improve user interaction.
  • They can handle requests such as processing credit cards.

Server-Side Scripting

  • Server-side languages execute on the server, not in the browser.
  • Server-side languages run on the server, and respond to client requests.
  • Server-side code is often used for databases, and the server may store information needed by the client-side.
  • Examples: PHP, Python, Ruby, Perl, C#, and ASP.
  • The server generates the HTML response to be displayed in the browser.
  • Server-side scripts are significantly faster in response time compared to client-side.

Internet Application Architecture

  • Internet applications have a layered architecture.
  • The structure facilitates the use of resources, and helps with performance.
  • The layers are Application, Networked Applications, Transport, and Network/Communication.
  • Network/Communication provides links between devices.
  • Transport manages the transmission of data.
  • Networked application/Support enables the request and management of data
  • Applications operate at the top layer.

XAMPP

  • XAMPP is a web server distribution bundle.
  • It bundles Apache, MySQL, PHP, and optionally Perl software.
  • These software are deployed as a single platform.
  • XAMPP installation has a "document root" directory.
  • XAMPP has a browser URL alias.
  • XAMPP is available on several operating systems: Linux, Windows, macOS, and Solaris.

Structured Query Language (SQL)

  • SQL is embedded into scripts to perform operations like inserting, updating, or deleting records.
  • SQL is also useful with combining tables.
  • SQL commands are used for data management processes.
  • SQL is used to query databases and manage data.

Client Tier, Middle Tier, and Information Tier

  • These tiers refer to the organization of client-based systems.
  • In a typical application, the client tier is at the top layer, connected to the middle tier and then the information tier at the bottom.
  • The information tier stores data.
  • The middle tier acts as a controller and processes the requests.
  • The client tier, the user interface interacting with the end user.

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Related Documents

Client-Server Relationships PDF

Description

Explore the fundamental concepts of client-server architecture, including the roles of clients and servers in communication. This quiz will cover client-side scripting languages like JavaScript and server-side scripting processes. Test your knowledge of how these systems work together to deliver information.

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