Γλωσσάρι Δικτυακών Ορολογιών
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Ταξινομημένα προς το παρόν Όνομα (αύξουσα) Ταξινόμηση κατά: Επώνυμο | Όνομα
Στέλιος Μερσινάς |
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bits per secondAbbreviated bps. | |
BNC ConnectorShort for British Naval Connector or
Bayonet Nut Connector or Bayonet Neill Concelman, a type of
connector used with coaxial cables such as the RG-58 A/U cable used
with the 10BASE2 Ethernet system. The basic BNC connector is a male
type mounted at each end of a cable. This connector has a center pin
connected to the center cable conductor and a metal tube connected
to the outer cable shield. A rotating ring outside the tube locks
the cable to any female connector. | |
BOOTPProtocol used by a network node to
determine the IP address of its Ethernet interfaces, in order to
affect network booting. |
bpsBits per second. | |
BRIBasic Rate Interface.
ISDN interface composed of two B channels and one D channel for
circuit-switched communication of voice, video, and data. | |
bridgeDevice that connects and passes
packets between two network segments that use the same
communications protocol. Bridges operate at the data link layer
(layer 2) of the OSI reference model. In general, a bridge will
filter, forward, or flood an incoming frame based on the MAC address
of that frame. | |
broadbandTransmission system that multiplexes
multiple independent signals onto one cable. In telecommunications
terminology, any channel having a bandwidth greater than a
voice-grade channel (4 kHz). In LAN terminology, a coaxial cable on
which analog signaling is used. Also called wideband. | |
broadcastData packet that will be sent to all
nodes on a network. Broadcasts are identified by a broadcast
address. | |
broadcast addressSpecial address reserved for sending a
message to all stations. Generally, a broadcast address is a MAC
destination address of all ones. | |
broadcast domainThe set of all devices that will
receive broadcast frames originating from any device within the set.
Broadcast domains are typically bounded by routers because routers
do not forward broadcast frames. | |
broadcast searchPropagation of a search request to all
network nodes if the location of a resource is unknown to the
requester. | |
broadcast stormUndesirable network event in which
many broadcasts are sent simultaneously across all network segments.
A broadcast storm uses substantial network bandwidth and, typically,
causes network time-outs. | |
bus topologyLinear LAN architecture in which
transmissions from network stations propagate the length of the
medium and are received by all other stations. | |
byteTerm used to refer to a series of
consecutive binary digits that are operated upon as a unit (for
example, an 8-bit byte). | |
Category 1 cablingOne of five grades of UTP
cabling described in the EIA/TIA-568B standard. Category 1
cabling is used for telephone communications and is not
suitable for transmitting data. | |
Category 2 cablingOne of five grades of UTP
cabling described in the EIA/TIA-568B standard. Category 2
cabling is capable of transmitting data at speeds up to 4
Mbps. | |
Category 3 cablingOne of five grades of UTP
cabling described in the EIA/TIA-568B standard. Category 3
cabling is used in 10BASE-T networks and can transmit data at
speeds up to 10 Mbps. | |
Category 4 cablingOne of five grades of UTP
cabling described in the EIA/TIA-568B standard. Category 4
cabling is used in Token Ring networks and can transmit data
at speeds up to 16 Mbps. | |
Category 5 cablingOne of five grades of UTP
cabling described in the EIA/TIA-568B standard. Category 5
cabling is used for running CDDI and can transmit data at
speeds up to 100 Mbps. | |
CDCarrier Detect.
Signal that indicates whether an interface is active. Also,
a signal generated by a modem indicating that a call has
been connected. | |