| 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 |