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CCNA - Acronyms
| Question | Answer |
|---|---|
| IP | Internet Protocol |
| TCP | Transmission Control Protocol |
| NIC | Network Interface Card (AKA LAN adaptor) |
| HTTP | Hypertext Transport Protocol |
| QoS | Quality of Service |
| ISP | Internet Service Provider |
| VoIP | Voice over Internet Protocol |
| DoS | Denial of Service (attack) |
| LAN | Local-Area Network |
| WAN | Wide-Area Network |
| TSP | Telecommunication Service Provider |
| IEEE | Institute of Electrical and Electronics Engineers (standardized protocols) |
| IETF | Internet Engineering Task Force (standardized protocols) |
| OSI | Open Systems Interconnection model |
| PDU | Protocol Data Unit (different at each layer) |
| ISO | International Organization of Standardization |
| DNS | Domain Name System |
| SMTP | Simple Mail Transfer Protocol |
| FTP | File Transfer Protocol |
| RFC | Requests for Comments (define protocols) |
| MPEG | Motion Picture Experts Group |
| JPEG | Joint Photographic Experts Group |
| TIFF | Tagged Image File Format |
| GIF | Graphic Interchange Format |
| P2P | Peer-to-Peer |
| POP | Post Office Protocol |
| HTTPS | Secure HTTP (has encryption) |
| MUA | Mail User Agent |
| MTA | Mail Transfer Agent |
| MDA | Mail Delivery Agent |
| SMB | Server Message Block |
| IAC | Interpret as Command |
| CLI | Command Line Interface |
| VTY | Virtual Terminal |
| UDP | User Datagram Protocol |
| CLI | Command Line Interface |
| GUI | Graphical User Interface |
| SSH | Secure Shell protocol |