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Chapter 2 (OSI Network Model (Transport (Transport (Assembly/Disassembly))…
Chapter 2
OSI Network Model
Transport
Transport
Assembly/Disassembly
Network
Network
Router
Session
Session
Session Tracking/Naming
Data Link
Data Link
NIC
Presentation
Presentation
Data Conversion
Physical
Physical
Electricity
Application
Application
(API) Application Programming Interfaces
<--- Generic Frame
FCS
Data
Type
Sender's MAC address
Recipient's MAC address
Frames information from NIC to NIC
Cyclic Redundancy Check (CRC)
Frame Check Sequence(FCS)
Media Access Control Address MAC
Known as the physical address
00-40-05-60-7D-49 is an example
"00-40-05" is the manufactures 'OUI'
Network interface card NIC
Serves as the connection between the computer and the network
TCP/IP - Transmission Control Protocol/Internet Protocol
Destination Port
Source Port
Sequence Number
Checksum
Flags
Acknowledgement
Data
Computer NIC System
Switch
Router
Internet
Remove Frame, add new outgoing Frame