CompTIA Network+ Acronyms

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AAA Authentication Authorization and Accounting

AAAA Authentication, Authorization, Accounting and Auditing

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 Tool

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

BCP Business Continuity Plan

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

BSSID Basic Service Set Identifier

BYOD Bring Your Own Device

CaaS Communication as a Service

CAM Content Addressable Memory

CAN Campus Area Network

CARP Common Address Redundancy Protocol

CASB Cloud Access Security Broker

CAT Category CCTV Closed Circuit TV

CDMA Code Division Multiple Access

CSMA/CD Carrier Sense Multiple Access/Collision Detection

CHAP Challenge Handshake Authentication Protocol

CIDR Classless Inter-Domain Routing

CNAME Canonical Name

CoS Class of Service

CPU Central Processing Unit

CRAM-MD5 Challenge-Response Authentication Mechanism–Message Digest 5

CRC Cyclic Redundancy Checking

CSMA/CA Carrier Sense Multiple Access/Collision Avoidance

CSU Channel Service Unit

CVW Collaborative Virtual Workspace

CWDM Course Wave Division Multiplexing

Daas Desktop as a Service

dB Decibel

DCS Distributed Computer System

DDoS Distributed Denial of Service

DHCP Dynamic Host Configuration Protocol

DLC Data Link Control

DLP Data Loss Prevention

DLR Device Level Ring

DMZ Demilitarized Zone

DNAT Destination Network Address Translation

DNS Domain Name Service/Domain Name Server/ Domain Name System

DOCSIS Data-Over-Cable Service Interface Specification

DoS Denial of Service

DR Designated Router

DSCP Differentiated Services Code Point

DSL Digital Subscriber Line

DSSS Direct Sequence Spread Spectrum

DSU Data Service Unit

DWDM Dense Wavelength Division Multiplexing

E1 E-Carrier Level 1

EAP Extensible Authentication Protocol

EDNS Extension Mechanisms for DNS

EGP Exterior Gateway Protocol

EIA/TIA Electronic Industries Alliance/ Telecommunication Industries Association

EMI Electromagnetic Interference

ESD Electrostatic Discharge

ESP Encapsulated Security Payload

ESSID Extended Service Set Identifier

EUI Extended Unique Identifier

FC Fibre Channel

FCoE Fibre Channel over Ethernet

FCS Frame Check Sequence

FDM Frequency Division Multiplexing

FHSS Frequency Hopping Spread Spectrum

FM Frequency Modulation

FQDN Fully Qualified Domain Name

FTP File Transfer Protocol

FTPS File Transfer Protocol Security

GBIC Gigabit Interface Converter

Gbps Gigabits per second

GLBP Gateway Load Balancing Protocol

GPG GNU Privacy Guard

GRE Generic Routing Encapsulation

GSM Global System for Mobile Communications

HA High Availability

HDLC High-Level Data Link Control

HDMI High-Definition Multimedia Interface

HIDS Host Intrusion Detection System

HIPS Host Intrusion Prevention System

HSPA High-Speed Packet Access

HSRP Hot Standby Router Protocol

HT High Throughput

HTTP Hypertext Transfer Protocol

HTTPS Hypertext Transfer Protocol Secure

HVAC Heating, Ventilation and Air Conditioning

Hz Hertz

IaaS Infrastructure as a Service

IANA Internet Assigned Numbers Authority

ICA Independent Computer Architecture

ICANN Internet Corporation for Assigned Names and Numbers

ICMP Internet Control Message Protocol

ICS Internet Connection Sharing/Industrial Control System

IDF Intermediate Distribution Frame

IDS Intrusion Detection System

IEEE Institute of Electrical and Electronics Engineers

IGMP Internet Group Message Protocol

IGP Interior Gateway Protocol

IGRP Interior Gateway Routing Protocol

IKE Internet Key Exchange

IMAP4 Internet Message Access Protocol version 4

InterNIC Internet Network Information Center

IoT Internet of Things IP Internet Protocol

IPS Intrusion Prevention System

IPSec Internet Protocol Security

IPv4 Internet Protocol version 4

IPv6 Internet Protocol version 6

ISAKMP Internet Security Association and Key Management Protocol

ISDN Integrated Services Digital Network

IS-IS Intermediate System to Intermediate System

ISP Internet Service Provider

IT Information Technology

ITS Intelligent Transportation System

IV Initialization Vector

Kbps Kilobits per second

KVM Keyboard Video Mouse

L2TP Layer 2 Tunneling Protocol

LACP Link Aggregation Control Protocol

LAN Local Area Network

LC Local Connector

LDAP Lightweight Directory Access Protocol

LEC Local Exchange Carrier

LED Light Emitting Diode

LLC Logical Link Control

LLDP Link Layer Discovery Protocol

LSA Link State Advertisements

LTE Long Term Evolution

LWAPP Light Weight Access Point Protocol

MaaS Mobility as a Service

MAC Media Access Control/Medium Access Control

MAN Metropolitan Area Network

Mbps Megabits per second

MBps Megabytes per second

MDF Main Distribution Frame

MDI Media Dependent Interface

MDIX Media Dependent Interface Crossover

MGCP Media Gateway Control Protocol

MIB Management Information Base

MIMO Multiple Input, Multiple Output

MLA Master License Agreement/ Multilateral Agreement

MMF Multimode Fiber

MOA Memorandum of Agreement

MOU Memorandum of Understanding

MPLS Multiprotocol Label Switching

MS-CHAP Microsoft Challenge Handshake Authentication Protocol

MSA Master Service Agreement

MSDS Material Safety Data Sheet

MT-RJ Mechanical Transfer-Registered Jack

MTU Maximum Transmission Unit

MTTR Mean Time To Recovery

MTBF Mean Time Between Failures

MU-MIMO Multiuser Multiple Input, Multiple Output

MX Mail Exchanger

NAC Network Access Control

NAS Network Attached Storage

NAT Network Address Translation

NCP Network Control Protocol

NDR Non-Delivery Receipt

NetBEUI Network Basic Input/Output Extended User Interface

NetBIOS Network Basic Input/Output System

NFC Near Field Communication

NFS Network File Service

NGFW Next-Generation Firewall

NIC Network Interface Card

NIDS Network Intrusion Detection System

NIPS Network Intrusion Prevention System

NIU Network Interface Unit

nm Nanometer

NNTP Network News Transport Protocol

NTP Network Time Protocol

OCSP Online Certificate Status Protocol

OCx Optical Carrier OS Operating System

OSI Open Systems Interconnect

OSPF Open Shortest Path First

OTDR Optical Time Domain Reflectometer

OUI Organizationally Unique Identifier

PaaS Platform as a Service

PAN Personal Area Network

PAP Password Authentication Protocol

PAT Port Address Translation

PC Personal Computer

PCM Phase-Change Memory

PDoS Permanent Denial of Service

PDU Protocol Data Unit

PGP Pretty Good Privacy

PKI Public Key Infrastructure

PoE Power over Ethernet

POP Post Office Protocol

POP3 Post Office Protocol version 3

POTS Plain Old Telephone Service

PPP Point-to-Point Protocol

PPPoE Point-to-Point Protocol over Ethernet

PPTP Point-to-Point Tunneling Protocol

PRI Primary Rate Interface

PSK Pre-Shared Key

PSTN Public Switched Telephone Network

PTP Point-to-Point

PTR Pointer

PUA Privileged User Agreement

PVC Permanent Virtual Circuit

QoS Quality of Service

QSFP Quad Small Form-Factor Pluggable

RADIUS Remote Authentication Dial-In User Service

RARP Reverse Address Resolution Protocol

RAS Remote Access Service

RDP Remote Desktop Protocol

RF Radio Frequency

RFI Radio Frequency Interference

RFP Request for Proposal

RG Radio Guide

RIP Routing Internet Protocol

RJ Registered Jack

RPO Recovery Point Objective

RSA Rivest, Shamir, Adelman

RSH Remote Shell

RSTP Rapid Spanning Tree Protocol

RTO Recovery Time Objective

RTP Real-Time Protocol

RTSP Real-Time Streaming Protocol

RTT Round Trip Time or Real Transfer Time

SA Security Association

SaaS Software as a Service SC

Standard Connector/Subscriber Connector

SCADA Supervisory Control and Data Acquisition

SCP Secure Copy Protocol SDLC

Software Development Life Cycle

SDN Software Defined Network

SDP Session Description Protocol

SDSL Symmetrical Digital Subscriber Line

SFP Small Form-factor Pluggable

SFTP Secure File Transfer Protocol

SGCP Simple Gateway Control Protocol

SHA Secure Hash Algorithm

SIEM Security Information and Event Management

SIP Session Initiation Protocol

SLA Service Level Agreement

SLAAC Stateless Address Auto Configuration

SLIP Serial Line Internet Protocol

SMB Server Message Block

SMF Single-Mode Fiber

SMS Short Message Service

SMTP Simple Mail Transfer Protocol

SNAT Static Network Address Translation/Source Network Address Translation

SNMP Simple Network Management Protocol

SNTP Simple Network Time Protocol

SOA Start of Authority SOHO Small Office Home Office

SONET Synchronous Optical Network

SOP Standard Operating Procedure

SOW Statement of Work

SPB Shortest Path Bridging

SPI Stateful Packet Inspection

SPS Standby Power Supply

SSH Secure Shell

SSID Service Set Identifier

SSL Secure Sockets Layer

ST Straight Tip or Snap Twist

STP Spanning Tree Protocol/Shielded Twisted Pair

SVC Switched Virtual Circuit

SYSLOG System Log

T1 Terrestrial Carrier Level 1

TA Terminal Adaptor

TACACS Terminal Access Control Access Control System

TACACS+ Terminal Access Control Access Control System+

TCP Transmission Control Protocol

TCP/IP Transmission Control Protocol/Internet Protocol

TDM Time Division Multiplexing

TDR Time Domain Reflectometer

Telco Telecommunications Company

TFTP Trivial File Transfer Protocol

TKIP Temporal Key Integrity Protocol

TLS Transport Layer Security

TMS Transportation Management System

TOS Type of Service

TPM Trusted Platform Module

TTL Time to Live

TTLS Tunneled Transport Layer Security

UC Unified Communications

UDP User Datagram Protocol

UNC Universal Naming Convention

UPC Ultra Polished Connector

UPS Uninterruptible Power Supply

URL Uniform Resource Locator

USB Universal Serial Bus

UTM Unified Threat Management

UTP Unshielded Twisted Pair

VDSL Variable Digital Subscriber Line

VLAN Virtual Local Area Network

VNC Virtual Network Connection

VoIP Voice over IP

VPN Virtual Private Network

VRF Virtual Routing Forwarding

VRRP Virtual Router Redundancy Protocol

VTC Video Teleconference

VTP VLAN Trunk Protocol

WAF Web Application Firewall

WAN Wide Area Network

WAP Wireless Application Protocol/ Wireless Access Point

WEP Wired Equivalent Privacy

WLAN Wireless Local Area Network

WMS Warehouse Management System

WPA WiFi Protected Access

WPS WiFi Protected Setup

WWN World Wide Name

XDSL Extended Digital Subscriber Line

XML eXtensible Markup Language

Zeroconf Zero Configuration

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