Internet, Intranet, Extranet

Question 1

INTERNET

Answer 1

Global system of interconnected computer networks that use the IP

• provides access to info and resources from any connected computer anywhere in world
• purpose: link computers and info together

Question 2

INTRANET

Answer 2

• restricted and internal to company/org
• over a LAN or VPN
• only accessible to authorised users
• uses IP

Question 3

EXTRANET

Answer 3

• private network
• built on top of and used internet
• used to access company or orgs intranet