OCR A'Level Network characteristics & protocols Flashcards
https://www.youtube.com/watch?v=1gdrZwBouOs&list=PLCiOXwirraUDhcQX2Y1yso6ImXxkQ9sat
1
Q
What is a stand alone?
A
A single device not connected to anything else
2
Q
What is a network?
A
When 2 or more computers are connected together
3
Q
What are some advantages of a network?
A
- Allows sharing of resources (disk space etc..)
- Allows sharing of data on disk drives
- Allows easy communication
- Allows connections of different types of computers
4
Q
What are some disadvantages of a network?
A
- User can become dependable on the network
- If the network stops working it may be impossible to access some data
- Performance can degrade as the traffic increases
5
Q
What is a protocol?
A
It is a set of rules relating to the communication between devices
6
Q
What is TCP?
A
Transmission Control Protocol:
-Used with IP to ensure error free transmission and packet switching
7
Q
What is IP?
A
Internet protocol:
-used to transfer all packets across the internet between routers
8
Q
What is FTP?
A
File Transfer Protocol:
-used to upload and download files across the internet
