CCNA/CCNP preparation notes

by Andreas Ryf
OSI reference model
1: Physical Layer
2: Data Link Layer
3: Network Layer
4: Transport Layer
5: Session Layer
6: Presentation L.
7: Application Layer
IP Network Classes
Subnetting
Cables & fibres
Terms
Links
BCMSN
ONT

Layer 7: Appliation layer

 

Applications

FTP, SMTP, POP3, Mail-client, Browser, ...


 

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