Introduction to network communication

Question 1

Data Packet

Answer 1

A basic unit of information that travels from one device to another within a network.

Question 2

What are the three parts that make up a data packet?

Answer 2

header - the internet protocol address, the IP address, and the media access control, or MAC, address of the destination device. also includes a protocol number that tells the receiving device what to do with the information in the packet.

The body - contains the message that needs to be transmitted to the receiving device

The Footer - signals to the receiving device that the packet is finished.

Question 3

Bandwidth

Answer 3

The amount of data a device receives every second

Note: Security personnel are interested in network bandwidth and speed because if either are irregular, it could be an indication of an attack.

Question 4

Speed

Answer 4

The rate at which data packets are received or downloaded

Note: Security personnel are interested in network bandwidth and speed because if either are irregular, it could be an indication of an attack.