OSI Model Flashcards
What is layer 7, and what does it do?
Application - what the end user sees and uses
What is layer 6, and what does it do?
Presentation - this layer decides how data is represented, and also manages encryption
What is layer 5, and what does it do?
Session - this layer manages interhost communication
What is layer 4, and what does it do?
Transport - this layer manages end-to-end connectivity and reliability
What is layer 3, and what does it do?
Network - this layer manages path determination and logical addressing
What is layer 2, and what does it do?
Data-link - this layer manages physical addressing
What is layer 1, and what does it do?
Physical - this layer manages media, signal, and binary transmission
Name some protocols typical of layer 7
FTP, HTTP, SSH, DNS, SMTP
Name some protocols typical of layer 6
SSL, SSH, FTP, JPEG, MPEG, MIDI
Name some protocols typical of layer 5
APIs, sockets
Name some protocols typical of layer 4
TCP, UDP
Name some protocols typical of layer 3
IP, ICMP, IPSec
Name some protocols typical of layer 2
ARP, MPLS, HPDC, Frame RElay, CDP
Name some protocols typical of layer 1
Ethernet, Bluetooth, DSL, WiFi, 802.11x
What type of data is sent at layer 1?
Bits
What type of data is sent at layer 2?
Frame
What type of data is sent at layer 3?
Packet
What type of data is sent at layer 4?
Segment
What type of data is sent at layer 5?
Data
What type of data is sent at layer 6?
Data
What type of data is sent at layer 7?
Data
Which layer manages what the end user sees and experiences?
7 - Application
Which layer manages data representation and encryption?
6 - Presentation
Which layer manages interhost communication?
5 - Session
Which layer manages end-to-end connection and reliability?
4 - Transport
Which layer manages path determination and logical addressing?
3 - Network
Which layer manages physical addressing?
2 - Data-link
Which layer manages media, signal and binary transmission?
1 - Physical
FTP, HTTP, SSH, DNS, SMTP. Which layer?
7 - Application
SSL, SSH, FTP, JPEG, MPEG, MIDI. Which layer?
6 - Presentation
APIs, Sockets. Which layer?
5 - Session
TCP, UDP. Which layer?
4 - Transport
IP, ICMP, IPSec. Which layer?
3 - Network
ARP, MPLS, HPDC, Frame Relay, CDP. Which layer?
2 - Data-link
Ethernet, Bluetooth, DSL, WIFi, 802.11x. Which layer?
1 - Physical
