CCNA/CCNP

CCNA

CCNP

Subnetting

Subnetting

OSI

People Don't Need Those Stupid Packets Anyways

/ A Pussy So Tight No Dick Penetrates

  1. Physical: Wires
  2. Data Link: Frame: MAC & LLC
  3. Network: Packet: IP & ARP
  4. Transport: Data segmentation; TCP/UDP
  5. Session: Authentication, authorisation; SYN/ACK, APIs, ...
  6. Presentation: SSL; decompression, decryption, ...
  7. Application: HTTP, FTP, POP3, ...

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Routing Protocols