Data Packaging

Question 1

What does the term IP address mean.

Answer 1

The **unique identification number ** of values given to every device the represents the unique location on which it is connected to the internet

Question 2

What does IP stand for

Answer 2

Internet Protocol

Question 3

What are the 3 Data Packet terms

Answer 3

Header
Payload
Trailer

Question 4

What is the header within data packaging

Answer 4

Contains the destination address, originating address and the packet number so the correct order is restored at arrival

Question 5

Data packet -

Answer 5

a small part of a message/data that is transmitted over a network; after transmission all the data packets are reassembled to form the original message/data

Question 6

Payload-

Answer 6

the actual data being carried in a data packet

Question 7

Payload trailer-

Answer 7

The data that indicates the end of the packet and a checksum for the destination to check it transmitted correctly

Question 8

Packet switching -

Answer 8

method of transmission in which a message is broken into many data packets which can then be sent along pathways independently of each other

Question 9

Describe packet switching process

Answer 9

1. Data broken down into packets
2. Each packet is given a sequence number and sent on its way
3. Each packet may take a different route to the next depending on the quickest route at the time
4. routers control the rout the packet takes
5. Packets may arrive out of order. Once last packet has arrived, the sequence numbers are used to put back in order. The data can then be reconstructed correctly.