Fundamental of Web Design

1. NETWORK PROTOCOL
MMD2093 FUNDAMENTAL OF WEB DESIGN
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2. WHAT IS NETWORK PROTOCOLS?
 A network protocol defines rules that allow for communication between
network devices or a set of rules that govern the format of messages so
they can be exchanged successfully.
 When you have two or more computers connected to each other, you
have a network.
 The purpose of a network is to enable the sharing of files and information
between multiple systems.
 A specific set of communication rules is called a protocol rules that
govern the communications between two computers connected to the
network.

3. TCP / IP
 TCP/IP based networks play an increasingly
important role .
 TCP stands for Transmission Control Protocol and
IP stands for Internet Protocol.
 The term TCP/IP is not limited just to these two
protocols.

5.  Group of protocols related to the TCP and IP
protocols such as :
 Telnet
 DNS (Domain Name Service)
 SMTP (Simple Mail Transfer Protocol)
 POP (Post Office Protocol )
 FTP (File Transfer Protocol )
 HTTP (Hypertext Transfer Protocol)
 HTTPS (HyperText Transport Protocol Secure )
 SSL (Secure Sockets Layer)
TCP / IP

6. TELNET
 Standard application protocol for remote login/ it
provides the encoding rules to link a user’s
keyboard/display on a client (“user”) system with a
command interpreter on remote server system.
also incorporated within others application protocols
such as example, FTP and SMTP

7. SMTP (SIMPLE MAIL TRANSFER PROTOCOL)
 The Simple Mail Transport Protocol (SMTP)
controls the transfer of email messages on the
Internet.
 SMTP defines the interaction between Internet
hosts that participate in forwarding email from a
sender to its destination.

8. POP (POST OFFICE PROTOCOL )
 The Post Office Protocol (POP) allows you to fetch
email that is waiting in a mail server mailbox.
 POP defines a number of operations for how to
access and store email on your server.

9. FTP (FILE TRANSFER PROTOCOL )
 is the primary internet standard for files transfer.
 FTP is a method to transfer files across the Internet
using an FTP client program.
 FTP is commonly used on school networks and by
Web publishers.
 The File Transfer Protocol (FTP) is used widely on
the Internet for transferring files to and from a
remote host.

10. HTTP (HYPERTEXT TRANSFER PROTOCOL)
 HTTP is the foundation of data communication for
the World Wide Web.
 Hypertext is a multi-linear set of objects.
 Building a network using hyperlinks.
 For example, when you enter a URL in your
browser, this actually sends an HTTP command to the
Web server directing it to fetch and transmit the
requested Web page.
 Transmit and receive data in an unsecured manner

12. HTTPS (HYPERTEXT TRANSPORT PROTOCOL SECURE )
 Transmit and receive data in a secured manner
 Examples of sites that use HTTPS include banking and
investment websites, e-commerce websites, and most
websites that require you to log in.
 You can tell if a website is secure by viewing the URL in the
address field of your Web Browser.
 If the Web address starts with https://, you know you are
accessing a secure website.
 Most browsers will also display a lock icon somewhere along
the edge of the window to indicate the website you are
currently visiting is secure.
 You can click the lock icon to view the secure certificate that
authenticates the website.

14. SSL (SECURE SOCKETS LAYER)
 This link ensures that all data passed between the
web server and browsers remain private .
 SSL is an industry standard and is used by millions
of websites in the protection of their online
transactions with their customers.
 SSL provides a way to ensure that the security is
being provided to the transaction and the data in
use.

15. COMMAND PROMPT
What is a command prompt ?
 Non-graphical interface that allows you to interact with
your operating system.
 At the command prompt, you enter commands by typing
their names followed by options and arguments.
 Most modern computers use a graphical user interface
(GUI), which allows users to access programs and
documents.
 Some programs and commands are still only available
only through a command prompt.

16. What is a command prompt use for ?
 used to execute entered command
 most commonly used to execute batch
files, perform advanced administrative
functions, and troubleshoot and solve certain kinds
of Windows issues.

17. How to access the command prompt ?
 can be accessed via the Command Prompt shortcut
located in the Accessories program group in
Windows.
 Another way to access Command Prompt would be
to execute CMD or CMD.EXE from the Run dialog
box

18. How to used a command prompt ?
 you must enter a valid command along with any
optional parameters.
 executes the command as entered and performs
whatever task or function it's designed to perform in
Windows.
Availability command prompt ?
Available on:
 every Windows NT-based operating system which
includes Windows 7, Windows Vista, Windows XP,
Windows 2000, and Windows Server 2008/2003.