The Internet

How does Information move over the Internet?

• It is broken into packets and sent in order by the shortest route.

• It is queued in routers and sent according to the TCP rules.

• It is broken into packets and can be sent by a variable route.

• Is synchronised using a timer and sent in order via the routers.

What does the Router do?

• Manages and sends packets via the cheapest route.

• Keeps track of the traffic on the Internet.

• Provides Internet addresss for packets of Information.

• Uses TCP to control the speed of packets over the Internet.

What is TCP?

• Trans Cyber Procedures

• Transfer Computer Packet

• Transport Computer Program

• Transmission Control Protocol

What are the key features of TCP Router Systems?

• Speed and Direct Routes.

• Error correction and Packet Recovery.

• Fault Tolerance and Redundancy.

• Route selection and Packet Location.

How do packets Navigate across the Internet?

• Routers direct Packets where to go.

• Packets have destination and origin IP addressess added to them.

• Packets just follow their leading packet called the header.

• Packets use tokens that are checked and passed by the router.

What is Binary Information?

• collection of 0's and 1's

• programming language used in calculators

• is used in switches - on and off

• combinations of two different bits.

How many BITS are in a BYTE?

• 2

• 6

• 8

• 64

What is physically sent over a wire to the internet

• Electricity

• Light

• 0's and 1's

• Radio Waves

What is Bandwidth measured in?

• Bytes per second

• Bits per second

• frames per second

• Megabytes per second

What is fiber optic cable's core made out of?

• Copper

• Fiber

• Glass

• Steel