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Communication network - Answers -✔✔ links together devices so hat data and
information can be shared among them.
PAN (Personal area Network) - Answers -✔✔ Connect devices within about 30 feet of
one another without the use of cables or wires.
LAN (Local Area Network) - Answers -✔✔ Data communication networks that connect
personal computers within a limited geographical area. ex. a school computer lab.
WAN (Wide are network) - Answers -✔✔ Covers a large geographical area and usually
consists of smaller networks. Ex. the internet.
Communication Channel - Answers -✔✔ The medium used to transport information
from one network device to another.
Wired channels - Answers -✔✔ Transports data through wires and cables.
Wireless Channels - Answers -✔✔ Transports data without the use of wires and cables.
RF signals or Radio Waves - Answers -✔✔ Used for Bluetooth, Wi-Fi, and to carry voice
and data between a smartphone and a cell tower.
Transceiver - Answers -✔✔ FR signals are sent and received by these.
Microwaves - Answers -✔✔ Can't go through metal and are usually used to transmit
signals between towers in cellular and wide-area installations.
Bandwidth - Answers -✔✔ The transmission capacity of a communication channel.
Broadband - Answers -✔✔ Network channels capable of moving at least 2Mbps.
Narrowband - Answers -✔✔ Channels slower than 2Mbps
Network Topology - Answers -✔✔ The structure and layout of network components.
Point to Point - Answers -✔✔ Direct connection between two devices.
, Star topology - Answers -✔✔ Connects multiple devices o a central device.
Mesh topology. (Full or Partial) - Answers -✔✔ Connects multiple devices to one
another not using a central device.
Bus topology. - Answers -✔✔ Connects devices in a linear sequence.
Node - Answers -✔✔ Any device in a network.
DTE (Data terminal equipment) - Answers -✔✔ Any device that stores or generates
data. Ex. a laptop, smartphone, or servers that offer cloud storage connected to a
network.
DCE (data communication equipment) - Answers -✔✔ Devices that control the speed of
data networks, convert signals as they jump from cables to wireless, check for corrupted
data, and route data from it's origin to it's destination. Ex. routers and modems.
Router - Answers -✔✔ A device that controls the flow of data within a network and also
acts as a gateway to pass data from one network to another.
Modem - Answers -✔✔ Contains circuitry that converts the data carrying signals from a
digital device o signals that can travel over various communication channels.
HUB - Answers -✔✔ Extends a wired network by adding more ports.
Switch - Answers -✔✔ Sends signals to individual nodes rather than broadcasting to all
of them.
Bridge - Answers -✔✔ Connects two similar networks.
Repeater - Answers -✔✔ Extends the rage of a network by restoring signals to full
strength and transmitting them.
Wireless access point (WAP) - Answers -✔✔ Allows wireless devices to connect to a
wired network.
Communication protocol - Answers -✔✔ A set of rules for efficiently transmitting data
from one network node to another.
Handshaking - Answers -✔✔ The process two devices on a network use to negotiate
their communication protocols.
Protocol Stack - Answers -✔✔ The collection on protocols for a network.