CompTIA Network+ Acronym List

A

Address

ACL

Access Control List

AES

Advanced Encryption Standard

AH

Authentication Header

AP

Access Point

API

Application Programming Interface

APIPA

Automatic Private Internet Protocol Addressing

APU

Audio Processing Unit

ARP

Address Resolution Protocol

AUP

Acceptable Use Policy

BCP

Business Continuity Planning

BGP

Border Gateway Protocol

BNC

Bayonet Neill-Concelman

BPDU

Bridge Protocol Data Unit

BSSID

Basic Service Set Identifier

BYOD

Bring Your Own Device

CAM

Content-addressable Memory

CDN

Content Delivery Network

CDP

Cisco Discovery Protocol

CIA

Confidentiality, Integrity, and Availability

CIDR

Classless Inter-domain Routing

CLI

Command-line Interface

CNAME

Canonical Name

CPU

Central Processing Unit

CRC

Cyclic Redundancy Check

DAC

Direct Attach Copper

DAS

Direct-attached Storage

DCI

Data Center Interconnect

DDoS

Distributed Denial-of-service

DHCP

Dynamic Host Configuration Protocol

DLP

Data Loss Prevention

DNS

Domain Name System

DNSSEC

Domain Name System Security Extensions

DoH

DNS over Hypertext Transfer Protocol Secure

DoS

Denial-of-service

DoT

DNS over Transport Layer Security

DR

Disaster Recovery

EAP

Extensible Authentication Protocol

EAPoL

Extensible Authentication Protocol over LAN

EIGRP

Enhanced Interior Gateway Routing Protocol

EOL

End-of-life

EOS

End-of-support

ESP

Encapsulating Security Payload

ESSID

Extended Service Set Identifier

EULA

End-user License Agreement

FC

Fibre Channel

FHRP

First Hop Redundancy Protocol

FQDN

Fully Qualified Domain Name

FTP

File Transfer Protocol

FTPS

File Transfer Protocol Secure

GDPR

General Data Protection Regulation

GRE

Generic Routing Encapsulation

GUI

Graphical User Interface

HTTP

Hypertext Transfer Protocol

HTTPS

Hypertext Transfer Protocol Secure

HSRP

Hot Standby Router Protocol

IaaS

Infrastructure as a Service

IaC

Infrastructure as Code

IAM

Identity and Access Management

iBGP

Internal Border Gateway Protocol

ICMP

Internet Control Message Protocol

ICS

Industrial Control System

IDF

Intermediate Distribution Frame

IDS

Intrusion Detection System

IGMP

Internet Group Management Protocol

IGP

Internal Gateway Protocol

IoT

Internet of Things

IIoT

Industrial Internet of Things

IIS

Internet Information Services

IKE

Internet Key Exchange

IP

Internet Protocol

IPAM

Internet Protocol Address Management

IPS

Intrusion Prevention System

IPSec

Internet Protocol Security

IS-IS

Intermediate System to Intermediate System

ISP

Internet Service Provider

LACP

Link Aggregation Control Protocol

LAN

Local Area Network

LC

Local Connector

LDAP

Lightweight Directory Access Protocol

LDAPS

Lightweight Directory Access Protocol over SSL

LLDP

Link Layer Discovery Protocol

LTE

Long-term Evolution

MAC

Media Access Control

MDF

Main Distribution Frame

MDIX

Medium Dependent Interface Crossover

MFA

Multifactor Authentication

MIB

Management Information Base

MIMO

Multiple Input Multiple Output

MOU

Memorandum of Understanding

MPLS

Multiprotocol Label Switching

MPO

Multifiber Push On

MTBF

Mean Time Between Failure

MTTR

Mean Time To Repair

MTU

Maximum Transmission Unit

MX

Mail Exchange

NaaS

Network as a Service

NAC

Network Access Control

NAS

Network-attached Storage

NAT

Network Address Translation