CompTIA Network+ Acronyms

Search Acronyms

Acronym	Spelled Out
A	Address
ACL	Access Control List
AH	Authentication Header
AP	Access Point
API	Application Programming Interface
APIPA	Automatic Private IP Addressing
ARP	Address Resolution Protocol
AUP	Acceptable Use Policy
BGP	Border Gateway Protocol
BNC	Bayonet Neill–Concelman
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
DHCP	Dynamic Host Configuration Protocol
DNS	Domain Name System
DDoS	Distributed Denial of Service
FTP	File Transfer Protocol
GRE	Generic Routing Encapsulation
HTTP	Hypertext Transfer Protocol
HTTPS	Hypertext Transfer Protocol Secure
IP	Internet Protocol
ICMP	Internet Control Message Protocol
IDS	Intrusion Detection System
IPS	Intrusion Prevention System
LAN	Local Area Network
MAC	Media Access Control
MTU	Maximum Transmission Unit
NAT	Network Address Translation
NIC	Network Interface Card
OSI	Open Systems Interconnection
PoE	Power over Ethernet
QoS	Quality of Service
RIP	Routing Information Protocol
SSID	Service Set Identifier
TCP	Transmission Control Protocol
UDP	User Datagram Protocol
URL	Uniform Resource Locator
USB	Universal Serial Bus
VLAN	Virtual Local Area Network
VPN	Virtual Private Network
WAN	Wide Area Network
WPA	Wi-Fi Protected Access
ZTA	Zero Trust Architecture

Why Master Network+ Acronyms?

The CompTIA Network+ exam (N10-009) is heavy on terminology. Understanding acronyms isn't just about memorizing letters; it's about understanding the function and context of each protocol, device, and concept.

Speed: Quickly identify concepts in exam questions.
Accuracy: Avoid confusion between similar terms (e.g., NAT vs. PAT).
Troubleshooting: Recognize protocols in log files and command outputs.

How to Use This Glossary

Use this page as a quick reference while studying or taking practice exams.

Search: Use the search bar to find specific acronyms instantly.
Hover: Hover over the acronym column (desktop) to see a tooltip with a brief definition.
Click Links: Many terms link to detailed articles or external resources for deeper learning.
Bookmark: Save this page to your study folder for easy access.