The internet comprises . . .

• a single large network under the control of either Darth Vader or Bill Gates

• a large number of interconnected and independently-owned networks

The internet is a communication network in which packets of information ...

• must follow one predetermined path to their destination

• can take many alternative paths to their destination

Circuit switching vs packet switching: Which is circuit switching ?

• Chunks of information sent to an address & routed by nodes which read the address.

• A line kept open between two devices, with signals passing at any time.

Circuit switching vs packet switching: Which is packet switching ?

• Chunks of information sent to an address & routed by nodes which read the address.

• A line kept open between two devices, with signals passing at any time.

What is the top-level domain of bbb.mindcrunch.net ?

• bbb

• mindcrunch

• net

What is the top-level domain of journals.sagepub.com ?

• journals

• sagepub

• com

What is the second-level domain of bbb.mindcrunch.net ?

• bbb

• mindcrunch

• net

What is the second-level domain of journals.sagepub.com ?

• journals

• sagepub

• com

d2l.deakin.edu.au

This is . . .

• a URL

• an IP address

13.239.153.39

This is . . .

• a URL

• an IP address