OSI model and TCP-IP Flashcards
(9 cards)
1
Q
Transport Layer
A
Segments and reassembles data so that it can be sent between devices.
2
Q
What is the PDU of the transport layer?
A
Segment
3
Q
Network Layer
A
Provides connectivity between hosts located on different networks and provides logical addressing (IP)
4
Q
Which devices are on the network layer?
A
Routers
5
Q
What PDUs are in the network layer?
A
Packets
6
Q
Data Link Layer
A
Provides node to node connectivity and data transfer. Defines how data is formatted for transmission over physical medium. Detects error made on physical layer.
7
Q
Data Link PDU
A
Frames
8
Q
Physical Layer
A
Defines characteristics of medium used to transfer data
Ie voltage, length, connectors
9
Q
What layers are on the TCP/IP model?
A
- Application
- transport
- internet
- link
