Network and Communications ACRONYMS (from NetAcad)

USB

Universal Series Bus

NIC

network interface card

SOHO

Small Office and Home Office

LAN

Local Area Netoworks

WAN

Wide Area Networks

SP / ISP

Service Providers / Internet Service Providers

IETF

Internet Engineering Task Force

ICANN

Internet Corporation for Assigned Names and Numbers

IAB

Internet Architecture Board

DSL

Digital Subscriber Line

ADSL

Asymmetrical Digital Subscriber Line

SDSL

Symmetric Digital Subscriber Line

QoS

Quality of service

BYOD

Bring Your Own Device

WISP

Wireless Internet Service Provider

WLAN

Wireless Local Area Networks

ACL

Access Control Lists

IPS

Intrusion Prevention Systems

VPN

Virtual Private Networks

CCNA

Cisco Certified Network Associate

OS

Operating Systems

CLI

Command-Line Interface

GUI

Graphical User Interface

IOS

Cisco Internetwork Operating System

RAM

Random Access Memory

SVI

Switch Virtual Interfaces

DHCP

Dynamic Host Configuration Protocol

TCP/IPv4

Internet Protocol Version 4

DNS

Domain Name System

SLAAC

Stateless Address Autoconfiguration

TCP

Transmission Control Protocol

HTTP

HyperText Transfer Protocol

SSH

Secure Shell

SSL

Sockets Layer

TLS

Transport Layer Security

OPSF

Open Shortest Path First

BGP

Border Gateway Protocol

IP

Internet Protocol

OSI

Open Systems Interconnection protocols

IEEE

Institute of Electrical and Electronics Engineers

EIA

Electronic Industries Alliance

TIA

Telecommunications Industry Association

ITU-T

International Telecommunications Union-Telecommunication Standardization Selector

IPTV

Internet Protocol TelevisionVOIP

VoIP

Voice over IP

PDU

Protocol Data Unit

AP

Access Point

ISO

International Organization for Standardization

EIA

Electronic Industries Alliance

ITU

International Telecommunication Union

ANSI

American National Standards Institute

FCC

Federal Communication Commission

ETSI

European Telecommunications Standards Institute

CSA

Canadian Standards Association

CENELEC

European Committee for Electrotechnical Standardization

JSA/JIS

Japanese Standards Association

EMI

Electromagnetic interference

UTP

Unshielded Twister-Pair

STP

Shielded Twisted-Pair

BNC

Bayonet Neil-Concelman

RF

Radio Frequency

SMF

Single-mode fiber

MMF

Multimode Fiber

FTTH

Fiber-to-the-Home

SFP

Small form-factor Pluggable

ST Connectors

Straight-Tip Connectors

SC Connectors

Subscriber Connector Connectors

LC Simplex Connectors

Lucent Connector Simplex Connectors

LLC

Logical Link Control

MAC

Media Access Control

RFC

Request for Comments

PPP

Point-to-Point Protocol

FDDI

Fiber Distributed Data Interface

CSMA/CD

Carrier Sense Multiple Access with Collision Detection

CSMA/CA

Carrier Sense Multiple Access with Collision Avoidance

CRC

Cyclic Redundancy Check

FCS

Frame Check Sequence

HDLC

High-Level Data Link Control

ATM

Asynchronous Transfer mode

SFD

Start Frame Delimiter

OUI

Organizationally Unique Identifier

BIA

Burned-in Address

Read-Only Memory

ROM

ARP

Address Resolution Protocol

ND

Neighbor Dicovery

STP

Spanning Tree ProtocolLa

LLDP

Link Layer Discovery Protocol

Auto-MDIX

Automatic Medium-Dependent Interface Crossover

ICMP

Internet Control Message Protocol

DS

Differentiated Services or DiffServv

ToS

Type of Service

DSCP

Differentiated Services Code Point

ECN

Explicit Congestion Notification

TTL

Time to Live

ICMP

Internet Control Message Protocol

IHL

Internet Header Length

NAT

Network Address Translation

EH

Extension Headers

WAP

Wireless Access Point

DAI

Dynamic ARP Inspection