For more information about the site, see the Site Index

• network service provider (NSP)
• MILNET
• Manchester encoding
• Telecommunications Display Device (TDD)
• Toslink
• file transfer
• Cisco Certified Internetwork Expert (CCIE)
• Cisco Certified Network Professional (CCNP)
• Cisco Certified Network Associate (CCNA)
• non-geographic number
• Network Service Access Point (NSAP)
• QAM (quadrature amplitude modulation)
• reverse Telnet (direct Telnet)
• Source-route transparent (SRT) bridging
• passive FTP
• anti-replay protocol
• megahertz (MHz)
• shielded twisted pair
• MAC address (Media Access Control address)
• data link control (DLC)
• HDSL (High bit-rate Digital Subscriber Line)
• connection
• Personal Access Communications System (PACS)
• crossover cable
• optoisolator (optical coupler or optocoupler)
• Evernet
• satellite Internet connection
• cable modem termination system (CMTS)
• fast retransmit and recovery (FRR)
• transactional e-mail
• phantom dialing
• media access management
• terbo
• satellite return Internet connection
• registered port numbers
• coaxial cable (illustrated)
• cable head-end
• spatial division multiple access (SDMA)
• 802.3
• 10BASE-F
• lambda switching (photonic switching, or wavelength switching)
• visitor-based networking (VBN)
• network interface unit (NIU or Network Interface Device)
• telephone jacks
• balun
• ETSI (European Telecommunications Standards Institute)
• D-channel
• High-Speed Circuit-Switched Data (HSCSD)
• X server
• whois
• root directory
• 10BASE-36
• DECT (Digital Enhanced Cordless Telecommunications)
• Transmeta
• 10BASE-5
• 10BASE-2
• DARPA (Defense Advanced Research Projects Agency)
• DOCSIS (Data Over Cable Service Interface Specifications)
• symmetric communications
• Primary Rate Interface (PRI)
• peer-to-peer
• phase-shift keying (PSK)
• value-added network (VAN)
• ACTA (America's Carriers Telecommunications Association)
• softswitch
• dynamic and static
• metropolitan area network (MAN)
• small form-factor pluggable (SFP)
• small form factor (SFF)
• multiplexing
• hybrid fiber coaxial network (HFC network)
• infranet
• moonbounce or Earth-Moon-Earth (EME)
• Basic Rate Interface (BRI)
• gigahertz (GHz)
• subnetwork
• Home Phoneline Networking Alliance (HPNA)
• Veronica
• ferrule
• egress
• V.xx
• vampire tap
• U interface
• OC-768
• Transport layer
• netsplit
• media attachment unit (MAU)
• local access and transport area (LATA)
• EtherExpress
• iNet
• text on nine keys (T9)
• URL (Uniform Resource Locator)
• home network
• RS-232C
• fractional T1
• conductance
• triplecast
• EPOC
• brouter
• big-endian and little-endian



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