PSC MODEL QUESTION- 49

*Information Technology and Cyber Law 7*

Numerical unique value assigned to each device in a computer network

IP Address

Commonly using 32 bit number IP address is known as

IPv4

System of 128 bit number IP address is known as

IPv6

Example of Client Server computing

Email service

Information form server to client travels in the form of

Packets

Facility to use a remote computer in a network from a user's terminal

Remote login

Email was introduced by

Ray Tomlinson

First message that send through the email

QWERTYUIOP

Methode of sending recorded audio messages to recipient through email

Voice Mail

Computer program that used to access and manage a user's email

Email Client or Email reader

Examples of email client aplications

Outlook express, Mozilla Thunderbird

Email service provided by Google

Gmail

Email service provided by Microsoft

Hotmail

Hotmail was invented by

Sabeer Bhatia and Jack Smith

Hotmail was renamed as

Outlook.com

Unwanted or non requested emails received in a folder is known as

Spam

www stands for

World Wide Web

www was invented by

Tim Berners Lee

Head quarters of www

Geneva

System of interlinked documents accessed through internet

World wide web

W3C stands for

World Wide Web Consortium

A link, which redirect user to related document on click is called

Hyperlink

URL stands for

Uniform Resource Locator

Address used to identify the name of a web service

URL

Pages consist of information on www is known as

Webpage

Part of URL which indicates particular webpage is known as

Domain Name

Service which is used to translate domain name to IP address

DNS (Domain Name System)

Suffix .gov in URL indicating which domain

Government agencies

Suffix .edu in URL indicating which domain

Educational institutions

Suffix .org in URL indicating which domain

Organizations

Suffix .mil in URL indicating which domain

Military

Suffix .net in URL indicating which domain

Network Organizations

Suffix .com in URL indicating which domain

Commercial agencies

Files created in client machine when user browses a particular websites

Cookies

Files send back to server to notify user's previous activities

Cookies

http stands for

Hyper Text Transfer Protocol

Protocol that defines how messages are formatted and transmitted and actions the web server and browsers should take

HTTP

URL in http protocols begins with

http://

Secure form of http

https (Hyper Text Transfer Protocol Secure)

Protocol used to protect highly confidential online transactions

https

URL in secure transactions begin with

https://

Protocol used in network to copy large files from remote computer to requestor's computer

FTP (File Transfer Protocol)

Protocol that helps to send emails

SMTP (Simple Mail Transfer Protocol)

Protocol that helps to receive emails

POP3 (Post Office Protocol)

Protocol used in wireless devices like mobiles to use internet

WAP (Wireless Application Protocol)

Protocol for mapping the IP Address to a hardware address

ARP (Address Resolution Protocol)