Information Technology and Cyber Law 7

നെറ്റ്‌വർക്ക്, ഇമെയിൽ, പ്രോട്ടോക്കോൾ എന്നിവയുമായി ബന്ധപ്പെട്ട ചോദ്യങ്ങളാണ് ഇന്നത്തെ പാഠത്തിൽ

• 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)

                                                                                        (To be Continued...)