CompTia-Network+ ver009 Acronyms

PAN

Personal Area Network

WAN

Wide area network

MAN

Metropolitan area network

LAN

Local area network

TCP

Transmission control protocol

UDP

User datagram protocol

SDN

Software defined networking

STP (switching)

Spanning tree protocol

STP (cabling)

Shielded twisted pair

LDAP

Lightweight directory access protocol

LDAPS

Lightweight directory protocol secure

BSS

Basic service set

ESS

Extended service set

SSID

Service Set Identifier

ESSID

Extended service set identifier

BSSID

Basic service set ID

WPS

Wi-Fi protected setup

FTP

File transfer protocol

UTM

Unified Threat Management

NGFW

Next generation firewall

GUI

Graphical user inteface

CLI

command line interface

ICS

Industrial control system

IoT

internet of things

API

Application programming interface

TTL

time to live

MTU

Maximum transmission unit

VXLAN

Virtual extensible lan

SLA

Service level agreement

RTO

Response time objective

RPO

Response point objective

SMTP

Simple mail transfer protocol

VoIP

Voice over IP

SPF

Sender policy framework (DNS record)

MX

Mail exchanger (DNS record)

PTR

pointer record (DNS record)

TFTP

Trivial file transfer protocol

SSH

Secure Shell

RDP

Remote Desktop Protocol

TLS

Transport layer security

EIGRP

Enhanced interior gateway routing protocol (CISCO hybrid routing protocol)

RIP

Routing information protocol (Distance vector)

OSPF

Open shortest path first (link state)

IS-IS

intermediate system to intermediate system (link state)

BGP

Border gateway protocol (Path vector)

UPS

un-interruptible power suppl

PDU (OSI)

protocol data unit

PDU (power)

Power distribution unit

Auto MDI-X

automatic medium dependent interface crossover (don’t memorize this)

WAP

Wire-less access point

WPA

Wifi protected access

AAAA

DNS database for IPv6 addresses

A

DNS database for IPv4 addresses

CNAME

Canonical name (dns record)

MAC (address)

Media access control

IIoT

industrial internet of things

SCADA

supervisory control and data acquisition

ICS

industrial control system

OT

operational technology

NTP

network time protocol

VTP

VLAN trunking protocol - cisco proprietary

ACL

access control list

SVI

switched virtual interface

APIPA

automatic private IP addressing

BNC

bayonet Niell-concelman - bayonet coax

F-type

screw on coax

ST

straight tip - half twist bayonet fiber

SC

no-name push-pull connector fiber

LC

no-name - flange fiber connector (like an RJ connection)

MT-RJ

Mechanical transfer registered jack - 2 fibers in one connection

FC

ferrule connector - threaded body, anti-vibration fiber

MPO/MTP

multi-fiber push on - multiple fibers per connection, usually 8-12-16-24, Multi-fiber termination push-on - MTP is this better

SFTP

secure file transfer protocol - uses ssh

SaaS

software as a service - least access

IaaS

infrastructure as a service/hardware as a service - most access

PaaS

platform as a service - middle amount of access

PKI

public key infrastructure

CA

certificate authority

FQDN

fully qualified domain name

RA

router advertisement

DMZ

demilitarized zone - screened subnet

VPN

virtual private network

SNMP

simple network management protocol

DoS

denial of service

GPS

global positioning system

RFID

radio frequen

NFC

near-field communication

SD-WAN

software defined - WAN

DNSSEC

domain name security extensions

CDN

content delivery network

AP

access point

NIC

network interface card

QoS

quality of service

DHCP

dynamic host configuration protocol

CIA

confidentiality, integrity, availability

GDPR

general data protection regulation - EU data standards

CRC

cyclic redundancy check

AAA

authorization, authentication, accounting

EOL

end of life - stop selling

EOS

end of support - end of software updates