Network+ Acronyms

AH

Authentication Header

CAM

Content-addressable Memory

CDN

Content Delivery Network

CIA

Confidentiality, Integrity, and Availability

CIDR

Classless Inter-domain Routing

CLI

Command-line Interface

CNAME

Canonical Name

DAC

Direct Attach Copper

DAS

Direct-attached Storage

DCI

Data Center Interconnect

DNSSEC

Domain Name System Security Extensions

DoH

DNS over Hypertext Transfer Protocol

Secure

DoT

DNS over Transport Layer Security

DR

Disaster Recovery

EAPoL

Extensible Authentication Protocol over LAN

MDF

Main Distribution Frame

MDIX

Medium Dependent Interface Crossover

MIB

Management Information Base

MPO

Multifiber Push On

MTBF

Mean Time Between Failures

MTTR

Mean Time To Repair

MTU

Maximum Transmission Unit

NAC

Network Access Control

NFV

Network Functions Virtualization

NS

Name Server

NTS

Network Time Security

OSPF

Open Shortest Path First

PAT

Port Address Translation

PTP

Precision Time Protocol

PTR

Pointer

QSFP

Quad Small Form-factor Pluggable

RIP

Routing Information Protocol

RPO

Recovery Point Objective

RSTP

Rapid Spanning Tree Protocol

RTO

Recovery Time Objective

RX

Receiver

SASE

Secure Access Service Edge

EIGRP

Enhanced Interior Gateway Routing Protocol

EOS

End-of-support

ESP

Encapsulating Security Payload

ESSID

Extended Service Set Identifier

FHRP

First Hop Redundancy Protocol

GRE

Generic Routing Encapsulation

IaC

Infrastructure as Code

IAM

Identity and Access Management

ICMP

Internet Control Message Protocol

IDF

Intermediate Distribution Frame

IKE

Internet Key Exchange

IPAM

IP Address Management

IS-IS

Intermediate System to Intermediate System

LACP

Link Aggregation Control Protocol

SD-WAN

Software-defined Wide Area Network

SIP

Session Initiation Protocol

SIEM

Security Information and Event Management

SLAAC

Stateless Address Autoconfiguration

SMB

Server Message Block

SOA

Start of Authority

SSE

Security Service Edge

SVI

Switch Virtual Interface

TTL

Time to Live

TX

Transmitter

VIP

Virtual IP

VLSM

Variable Length Subnet Mask

VPC

Virtual Private Cloud

WPS

Wi-Fi Protected Setup

VXLAN

Virtual Extensible LAN

ZTA

Zero Trust Architecture