OSI Model Flashcards
Learn the 7 layers of OSI
1
Q
Layer 1
A
Physical
2
Q
Layer 2
A
Data
3
Q
Layer 3
A
Network
4
Q
Layer 4
A
Transport
5
Q
Layer 5
A
Session
6
Q
Layer 6
A
Presentation
7
Q
Layer 7
A
Application
8
Q
Next Generation OSI - What is different
A
Layer 5, 6, and 7 are combined as Application
9
Q
What services run on Application Layer
A
HTTP/S (Hyptertext Transfer Protocol)/Secure
DNS (Domain Name Service)
10
Q
What services run on Transport Layer
A
UDP (User Datagram Protocol)
TCP (Transmission Control Protocol)
11
Q
What services run on Network Layer
A
Network Address ( IP Address)
IP (Internet Protocol)
Source and Destination
12
Q
What is found on the Data Link Layer
A
Addresses: MAC ( Media Access Control ) aka Physical Address AKA Ethernet Address
MAC Address: 12 Characters in Hexadecimal
NIC (Network Interface Card)
13
Q
Layer 1 Data
A
Bits
14
Q
Layer 2 Data
A
Frames
15
Q
Layer 3 Data
A
Packets
