OSI Model Open Systems Interconnection Model
TCP Transmission Control Protocol
UDP Uniform Datagram Protocol
STP Shielded Twisted Pair
UTP Unshielded Twisted Pair
MAC (Address) Media Access Control
EMI Electromagnetic Interference
RJ (RJ-45) Registered Jack
CSMA/CD Carrier Sense Multiple Access/Collision Detect
CSMA/CA Carrier Sense Multiple Access/Collision Avoidance
STP Spanning Tree Protocol
VLAN Virtual Local Area Network
ACL Access Control List
NAT Network Address Translation
NIC Network Interface Card
ICMP Internet Control Message Protocol
TTL Time To Live
LAN Local Area Network
WAN Wide Area Network
MAN Metropolitan Area Network
WLAN Wireless Local Area Network
ARP Address Resolution Protocol
CIDR Classless Interdomain Routing
DHCP Dynamic Host Configuration Protocol
APIPA Automatic Private Internet Protocol Addressing
PAT Port Address Translation (Aka NAT Overload)
RIP Routing Information Protocol
VLSM Variable-Length Subnet Masking
OSPF Open Shortest Path First
EGP Exterior Gateway Protocol
BGP Border Gateway Protocol
EIGRP Enhanced Interior Gateway Routing Protocol
OTDR Optical Time Domain Reflector
IS-IS Intermediate System - Intermediate System
VPN Virtual Private Network
WAP Wireless Application Protocol
VOIP Voice over IP
DMZ Demilitarized Zone
IPSEC Internet Protocol Security
IPS Intrusion Prevention System