This document provides information about computer networks and related terms: - It defines key network terms like IP address, website, web page, web browser, web server, and web hosting. An IP address uniquely identifies devices on a network using the TCP/IP protocol. - Websites are collections of web pages that display information through HTML. Web pages are accessed via a web browser, which helps navigate and display pages from web servers responding to client requests. - Domain Name Resolution (DNR) is the process of translating domain names to IP addresses so browsers can locate servers. It involves hosts files, DNS servers, and protocols that direct traffic to the appropriate destination. - Examples are given for finding a

1. 1
COMPUTER
NETWORKS

2. • IP ADDRESS
• WEBSITE
• WEB PAGE
• WEB BROWSER
• WEB SERVER
• WEB HOSTING
• DOMAIN NAME
RESOLUTION(DNR)
INDEX

3. IPADDRESS
.
• There are some set of rules
to communicate with each
other
• PROTOCOLS-set of rules
• Most commonly used is
Transmission Control
Protocol (TCP/IP) Ex-
INTERNET
• Unique address to identify
TCP/IP
• That is known as IP
ADDRESS
3

4. HOWTOFINDOUT
THEIPADDRESSOF
YOURCOMPUTER?
4
1. Click the START button. A
pop-up menu containing
various options appears
2. Open the RUN dialog box
3. Type cmd in the RUN
dialog box and press enter.
The command
prompt(cmd) windows
opens.
4. Type ipconfig and press
enter. The output appears,
displaying the IP address of
your computer

5. WEBSITE
.
• Collection of various web
pages,images,videos and
audios.
• First page is known as home
page
• They are written in HTML
and transferred through
HTTP protocol.
• They consist of several
hyperlinks accesed through
HTTP protocol.
5

6. WEBPAGE
.
• WEB PAGE is an electronic
document/ page designed
using HTML.
• It displays information in
textual or graphical form
• Transversal from one web
page to another web page is
possible through hyperlinks
• Two types of web pages-
static and dynamic
6

7. WEBBROWSER
7
• Software helps in
accessing web pages.
• Also known as WEB
CLIENT
• Helps to navigate through
www. And display web
pages
• Some popular web
browser are Mozilla
firefox, Opera, AOL,
Iceweasal etc,

8. WEBSERVER
.
• When a client sends any
request to server it
responds to it and
displays the requested
web pages.
• It runs on the gadgets
which is connected to
networks.
• Single web server
supports multiple
websites
• Ex- Microsoft , Apache,
netscape
8

9. WEBHOSTING
9
• The companies allow their
clients to build their own
websites
• They give space on web
server and intenet
connectivity.
• The clients provided with
various advantages over
the website
• Webhostingsitesindia.co.in

10. DNR
.
DNR- Domain Name
Resolution
• DNR is a name given to a
process by which your
computer finds the IP
address of domain name.
• Each operating system
have different
configurations
10

11. HOW DNRTAKES
PLACEIN
BACKGROUND?
11
1. Enter the domain name of the website
that you want to access in web browser
2. Web browser issue a command to OS to
generate IP address of the given domain
name.
3. OS maintains HOSTS file contains list of IP
address of domain names. And OS check
for it
4. If IP address is not found in it. Then OS
connects to a DNS network( it maintains a
directory). And DNS finds and return to
the OS.
5. After obtaining it IP address, the OS send
it to a web browser.

12. SETTINGUPA
COMPUTER-AN
EXAMPLE
12
NETWORK FUNCTIONING
is based on client server
architecture
It defines how clients are
connected to server
machine on network.
LAN design is important
methodology in network
designing is 80:20 rule.

13. TIPSTOSOLVE
TECHNICAL
QUESTIONS…
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1. Where server should be placed.
2. Suitable cable layout of connection- 2
ways
• On basis of server
• On basis of distance from each
building
3. Where devices to be placed:
• server
• Modem
• Switch
• Modem
• Repeater
• Router
• Best layout
• Best cable
• Best connecting technique

14. THANKYOU
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