A - Address

AAA - Authentication Authorization and Accounting

AAAA - Authentication, Authorization, Accounting and Address

ACL - Access Control List

ADSL - Asymmetric Digital Subscriber Line

AES - Advanced Encryption Standard

AH - Authentication Header

AP - Access Point

APC - Angle Polished Connector

APIPA - Automatic Private Internet Protocol Addressing

APT - Advanced Persistent Protocol

ARIN - American Registry for Internet Numbers

ARP - Address Resolution Protocol

AS - Autonomous System

ASIC - Application Specific Integrated Circuit

ASP - Application Service Provider

ATM - Asynchronous Transfer Mode

AUP - Acceptable Use Policy

BERT - Bit-Error Rate Test

BGP - Border Gateway Protocol

BLE - Bluetooth Low Energy

BNC - British Naval Connector/Bayonet Niell-Concelman

BootP - Boot Protocol/Bootstrap Protocol

BPDU - Bridge Protocol Data Unit

BRI - Basic Rate Interface