OSI model Flashcards
1
Q
What are the OSI Model layers?
A
Application, Presentation, Session, Transport, Network, Data, Physical
2
Q
What does the Application layer do?
A
HTTP, SMTP (email)
3
Q
What does the Presentation layer do?
A
translation/encoding, encryption, compression
4
Q
What does the Session layer do?
A
open/close communication channel between devices, creates checkpoints
5
Q
What does the Transport layer do?
A
Segments data, Reassembles data, uses TCP/UDP protocols
6
Q
Describe the Network layer?
A
data transfer of packets b/t different networks
7
Q
Describe the Data layer?
A
transfers data on the same network as frames
8
Q
What is the Physical layer?
A
cables, switches, sends bitstream (10s)
