OSI Flashcards
1
Q
Layer 1 PDU
A
Bit Stream
2
Q
Layer 1 Devices
A
Hub, repeater, modem
3
Q
Layer 2
A
Data link
4
Q
Layer 2 PDU
A
Frames
5
Q
Layer 2
A
MAC addressing
6
Q
Layer 2 Devices
A
Network interface card (NIC)
Basic switch
Wireless access point
7
Q
Layer 1
A
Physical
8
Q
Layer 3
A
Network
9
Q
Layer 3 PDU
A
Packet
10
Q
Layer 3 device
A
Routers
Layer 3 switch (L3)
11
Q
Layer 3
A
IP address
12
Q
Layer 4
A
Transport
13
Q
Layer 4 PDU
A
Segment (datagram)
14
Q
Layer 4
A
Logical protocols Firewall layer
15
Q
Layer 4 Devices
A
Firewalls
