Networks Flashcards
1
Q
What is a LAN ?
A
It is a Local Area Network that covers a small geographical area
2
Q
What is a WAN?
A
It is a Wide Area Network that covers a large geographical area
3
Q
What is a PAN?
A
It is a Personal Area Network it centres around 1 person
4
Q
What is a computer network?
A
Connected devices to share and communicate resources
5
Q
Advantages of a network?
A
Easier sharing files
Share same hardware
Communicate easily
6
Q
Disadvantages of a network?
A
Expensive to set up
Vulnerable to hacking malware
Large network difficult to manage
7
Q
TCP/IP Model
A
- Application Layer- application such as web browsers and email programs operate at this layer
- Transport Layer- breaks down messages into small chunks (packets)
- Network Layer- this adds the senders and reciptenets IP address
- Link/Data link layer- Passing data over the physical network
