Host to Host Communications Flashcards
(26 cards)
Layer 1
Physical
Layer 2
Data-Link
Layer 3
Network
Layer 4
Transport
Layer 5
Session
Layer 6
Presentation
Layer 7
Application
Layer 4 Protocols
Transmission Control Protocol, User Datagram Protocol, Port number
Layer 3 Protocols
IP Address
Layer 3 Devices
Routers
Layer 2 Protocols
MAC Address
Layer 2 Devices
Switches
Layer 1 Devices
Hubs
Layers of the TCP/IP stack
Network Access, Internet, Transport, Application
One full TCP/IP stack
Protocol Data Unit
Network Access Layer transmission unit
Frame
Internet Layer transmission unit
Packet
Transport Layer unit
Segment
Application Layer unit
Data
Function of the Application Layer
Networks applications used by the device
Function of the Presentation Layer
Ensures application data is readable between systems
Function of the Session Layer
Establishes host-to-host linkage
Function of the Transport Layer
Segment, transfer & reassemble larger amounts of data
Function of the Network Layer
Route the connection between two geographically separated hosts