Layered Networks Flashcards
1
Q
What is the stack model?
A
Model network as a layer of stacks
Each layer handles one aspect of network
2
Q
What is stack protocol?
A
Each layer exchanges data with peers
Data is wrapped in a PDU which is only meaningful within that layer
3
Q
What is TCP?
A
Set of protocols used in internet
4
Q
What is the TCP stack?
A
- Application layer
- Transport layer
- Network layer
- Link layer
- Physical layer
5
Q
What is DNS (domain name system)?
A
Application layer protocol
Maps names to addresses using TCP
6
Q
What is TCP?
A
Creates connection orientated layer over IP (reliable and ordered)
7
Q
What is the difference between TCP and the OSI model?
A
TCP = concrete OSI = conceptual
8
Q
What is IP?
A
Internet protocol
Each device has a specific address and it’s needed to send info to and from device
