Browse the full acronym list, then drill with flashcards. Star anything you want to revisit.
Browse all acronyms before drilling with flashcards. Star any you want to revisit in Practice.
Showing 199 of 199
| Acronym | Definition | Star |
|---|---|---|
| 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 | |
| NDA | Non-disclosure Agreement | |
| NFV | Network Functions Virtualization | |
| NIC | Network Interface Cards | |
| NS | Name Server | |
| NTP | Network Time Protocol | |
| NTS | Network Time Security | |
| OOB | Out-of-band | |
| OS | Operating System | |
| OSPF | Open Shortest Path First | |
| OSI | Open Systems Interconnection | |
| OT | Operational Technology | |
| PaaS | Platform as a Service | |
| PAT | Port Address Translation | |
| PCI DSS | Payment Card Industry Data Security Standards | |
| PDU | Power Distribution Unit | |
| PKI | Public Key Infrastructure | |
| PoE | Power over Ethernet | |
| PPTP | Point-to-point Tunneling Protocol | |
| PSK | Pre-shared Key | |
| PSU | Power Supply Unit | |
| PTP | Precision Time Protocol | |
| PTR | Pointer | |
| QoS | Quality of Service | |
| QSFP | Quad Small Form-factor Pluggable | |
| RADIUS | Remote Authentication Dial-in User Service | |
| RDP | Remote Desktop Protocol | |
| RFID | Radio Frequency Identification | |
| RIP | Routing Information Protocol | |
| RPO | Recovery Point Objective | |
| RSSI | Received Signal Strength Indicator | |
| RSTP | Rapid Spanning Tree Protocol | |
| RTO | Recovery Time Objective | |
| RTP | Real-time Transport Protocol | |
| RX | Receiver | |
| SaaS | Software as a Service | |
| SAML | Security Assertion Markup Language | |
| SAN | Storage Area Network | |
| SASE | Secure Access Service Edge | |
| SC | Subscriber Connector | |
| SCADA | Supervisory Control and Data Acquisition | |
| SCTP | Stream Control Transmission Protocol | |
| SDN | Software-defined Network | |
| SD-WAN | Software-defined Wide Area Network | |
| SFP | Small Form-factor Pluggable | |
| SFTP | Secure File Transfer Protocol | |
| SIP | Session Initiation Protocol | |
| SIEM | Security Information and Event Management | |
| SLA | Service-level Agreement | |
| SLAAC | Stateless Address Autoconfiguration | |
| SMB | Server Message Block | |
| SMTP | Simple Mail Transfer Protocol | |
| SMTPS | Simple Mail Transfer Protocol Secure | |
| SNMP | Simple Network Management Protocol | |
| SOA | Start of Authority | |
| SPAN | Switched Port Analyzer | |
| SQL | Structured Query Language | |
| SSE | Security Service Edge | |
| SSH | Secure Shell | |
| SSID | Service Set Identifier | |
| SSL | Secure Sockets Layer | |
| SSO | Single Sign-on | |
| ST | Straight Tip | |
| STP | Shielded Twisted Pair | |
| SVI | Switch Virtual Interface | |
| TACAS+ | Terminal Access Controller Access Control System Plus | |
| TCP | Transmission Control Protocol | |
| TFTP | Trivial File Transfer Protocol | |
| TKIP | Temporal Key Integrity Protocol | |
| TLS | Transport Layer Security | |
| TTL | Time to Live | |
| TX | Transmitter | |
| TXT | Text | |
| UDP | User Datagram Protocol | |
| UPS | Uninterruptible Power Supply | |
| URL | Uniform Resource Locator | |
| USB | Universal Serial Bus | |
| UTM | Unified Threat Management | |
| UTP | Unshielded Twisted Pair | |
| VIP | Virtual IP | |
| VLAN | Virtual Local Area Network | |
| VLSM | Variable Length Subnet Mask | |
| VM | Virtual Machine | |
| VNC | Virtual Network Computing | |
| VoIP | Voice over IP | |
| VPC | Virtual Private Cloud | |
| VPN | Virtual Private Network | |
| VRF | Virtual Routing and Forwarding | |
| VRRP | Virtual Router Redundancy Protocol | |
| VTP | VLAN Trunk Protocol | |
| VXLAN | Virtual Extensible LAN | |
| WAN | Wide Area Network | |
| WAF | Web Application Firewall | |
| WAP | Wireless Access Protocol | |
| WEP | Wired Equivalent Privacy | |
| WLAN | Wireless LAN | |
| WPA | Wi-Fi Protected Access | |
| WPS | Wi-Fi Protected Setup | |
| XML | Extensible Markup Language | |
| ZTA | Zero Trust Architecture |