- LAN – Local Area Network
- MAN – Metropolitan Area Network
- WAN – Wide Area Network
- PAN – Personal Area Network
- NIU – Network Interface Unit
- NIC – Network Interface Card
- MAC – Media Access Control
- TCP – Transmission Control Protocol
- IP – Internet Protocol
- Bps – Bits Per Second
- gbps – Gigabyte Per Second
- KHz – kilohertz
- E-mail – Electronic Mail
- HTML – Hyper Text Markup Language
- STP – Shielded Twisted pair
- UTP – Unshielded Twisted pair
- URL – Uniform Resource Locator
- WWW – World Wide Web
- ISP – Internet Service Provider
- HTTP – Hyper Text Transfer Protocol
- PPP – Point to Point Protocol
- TCP – Transmission Control Protocol
- NTP – Network Time Protocol
- SMTP – Simple Mail Transfer Protocol
- POP – Post Office Protocol
- IMAP – Internet Mail Access Protocol
- Telnet – Terminal Network
- VoIP – Voice over Internet Protocol
- SIP – Session Initiation Protocol
- Wi-Fi – Wireless Fidelity
- GSM – Global system for mobile comm
- GPRS – General Packet Radio Service
- CDMA – Code Division Multiple Access
- WLL – Wireless in Local Loop
- 3G – Third Generation
- IRC – Internet Relay Chat
- SMS – Short Message Service
- TDMA – Time Division Multiple Access
- UMTS – Universal Mobile Telephone System
- NFS – Network File System
- RJ-45 – Registered Jack-45
- CD – Carrier Detect
- CTS – Clear – to-Send
- DTE – Data Terminal Equipment
- DCE – Data Communication Equipment
- DTR – Data Terminal Ready
- FAT – File Allocation Table
- DNS – Domain Name System
- PING – Packet InterNet Groper
- W3C – World Wide Web Consortium
- ARP – Address Reolution Protocol
- RARP – Rev. Address Reolution Prot.
