Page 300 - CISSO_Prep_ Guide

• Internet layer (maps to OSI network layer).
• Network interface layer (maps to data link
and physical OSI layers).

OSI Reference Model
• Application:
• Protocols (FTP, HTTP, IMAP, POP3)
• Presentation:
• Encryption, compression, format.
• Session:
• Protocols (RTP, RPC).
• Transport:
• Protocols (TCP, UDP, TLS).
• Threats (port scanning - FIN, NULL,
XMAS, SYN; denial of service).
• Network
• Equipment (routers, NAT/PAT,
firewalls).
• Protocols (IP, DHCP, ipv6, ICMP,
IGMP, VPN, RIP).
• Attacks (IP spoofing, SYN floods,
source route, smurf, Fraggle).
• Datalink:
• Unicast/multicast/broadcast.
• CSMA/CD, CSMA/CA, Token passing.
• Equipment (switches).
• Protocols (ARP, PPP).
• Physical:
• Analog/digital.
• Topologies (bus, tree, ring, mesh,
star).