ring
sniffer
segmentation and reassembly (SAR)
Synchronous Optical Network (SONET)
one-armed router
edge device
ECC (error correction code or error checking and correcting)
forest-and-tree model
passive FTP
netsplit
transceiver
spatial division multiple access (SDMA)
satellite Internet connection
device relationship management (DRM)
PSTN (public switched telephone network)
propagation delay
patch cord
local area network (LAN)
well-known port numbers
DCE (Distributed Computing Environment)
darknet
nslookup
Telnet
htaccess
MAC address (Media Access Control address)
machine-to-machine (M2M)
root server system
FCAPS (fault-management, configuration, accounting, performance, and security)
wavelength-division multiplexing (WDM)
policy-based networking
modulation
graceful degradation
mesh network topology (mesh network)
Unshielded Twisted Pair
virtual LAN (VLAN)
IPX (Internetwork Packet Exchange)
spectrum analyzer
single mode fiber
NSFNET
V.xx
Ethernet Glossary
Phone numbers
COFDM
sliding windows (windowing)
hardware load-balancing device (HLD)
wildcard mask
NAK (negative acknowledgment or not acknowledged)
Next Hop Resolution Protocol (NHRP)
forklift upgrade
stateful inspection
gateway
GVRP (GARP VLAN Registration Protocol or Generic VLAN Registration Protocol)
GARP (Generic Attribute Registration Protocol)
media attachment unit (MAU)
collision
Federation of Telecommunications Engineers of the European Community (FITCE)
Infranet Initiative
fax
patch antenna
Routing Information Protocol (RIP)
phantom dialing
BYE packet
6to4
MILNET
variable-length subnet mask (VLSM)
phase-change cooling (vapor cooling)
virtual area network (VAN)
vampire tap
root directory
virtual network adapter
HDSL (High bit-rate Digital Subscriber Line)
fiberless optics
fiber optic
orthogonal frequency-division multiplexing (OFDM)
OC-768
Optical Carrier levels (OCx)
Link Control Protocol (LCP)
Logical Link Control layer (LCL layer)
optoisolator (optical coupler or optocoupler)
erbium amplifier
Joint Academic Network (JANET)
jam
jabber (in networks)
Jabber
call failure rate (CFR)
Multicast Dissemination Protocol (MDP)
Manufacturing Message Specification (MMS)
ICMP (Internet Control Message Protocol)
IPLC (international private leased circuit)
Learning Path: Telephony and Wide Area Networks
in-band signaling
out-of-band signaling
ingress
flow routing
fixed-length subnet mask (FLSM)
(TCAM) ternary content-addressable memory
FECN/BECN (forward explicit congestion notification/backward explicit congestion notification)
encapsulation
E-ZPass
AUI (attachment unit interface)
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