Telecommunications - answerElectronic transmission of signals used for communications
Data communications - answerelectronic transmission and reception of digital data.
Telecommunications network - answerconnects computing and communication devices to facilitate communications among devices.
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Telecommunications & Networking
Telecommunications - answerElectronic transmission of signals used for
communications
Data communications - answerelectronic transmission and reception of digital data.
Telecommunications network - answerconnects computing and communication devices
to facilitate communications among devices.
Bandwidth - answerthe rate of data transfer measured in bits per second (bps).
Main elements needed to form a network - answerCommunication hardware that allows
devices to send and receive information.
Communication software that allows a computer or device to use the network to
complete a task.
A mode of transmission like wired or wireless communication.
Workstations - answerComputers attached to a network.
Local Resources - answerResources that are available to a specific computer and may
or may not be shared over the network.
Example: files, drives, or other devices that are attached to a computer.
Network Resources - answerResources that are located on the network.
Example: Servers, printers, storage, etc... located on the network.
Distributed Computing - answerMultiple remote computers working together.
Networking Media - answerNetworking media is the physical media that carries signals
used for communications.
Coaxial Cable
Ethernet Cable
Fiber-optic Cable
Modems - answerModulates and Demodulates signals
DSL modem - connects you to a DSL network.
Cable modem - connects you to CATV network
Network Interface Card (NIC) - answerDevice that allows a computer to connect to a
network.
Wireless NIC (WNIC) is used to connect to wireless networks.
Without a NIC you will not be able to connect to a network
Hubs - answerUsed as a central connection point for connecting computers.
, Switches - answerSame as a hub except it passes information to only the computers
that are communicating with one another.
More secure than a hub.
Fundamental part of most networks.
Bridge - answerUsed to connect multiple network segments.
Repeater - answerLike a bridge, connects multiple network segments.
Regenerates the signal to extend its range.
Gateway - answerThe entry point for a network.
Router - answerA device that connects computers and networks, and transmits data to
its correct destination.
Firewall - answerA device that filters information coming into a network.
Prevents unauthorized access to a network.
Firewalls can be hardware or software.
Wireless Access Point (WAP) - answerA device that connects computers and other
wireless devices together to form a wireless network that allows them to transmit data
wirelessly.
Local Area Network (LAN) - answerA small network that connects computers within an
office, building, house, or campus.
Metropolitan Area Network (MAN) - answerConnects networks within a city or
metropolitan-size area into a larger high-speed network
Wide Area Network (WAN) - answerA network that spans a large geographical area.
Connects LANs, MANs, and other WANs between cities, across the country, and
around the world.
Internet is the world's largest WAN.
Intranet - answerA private network that uses Internet & Web technologies to securely
share information or parts of an organization's information system.
Virtual Private Network (VPN) - answerA private network that uses a public network
(Internet) to connect remote sites or users together.
Allows employees the ability to securely connect to a company's private network over
the Internet.
Ethernet - answerDeveloped in the early 70s by Xerox for the purpose of connecting a
computer to a printer.
It's a networking technology that specifies the wiring and signaling of electronic
transmissions over a network.
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