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Nt1330 Week 1

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1. Describe a local land line phone system based on the following Landline Telephone Components:

Local Loop – Connects the customer to the central office.
Central Office – Makes the connection between local loops (customers) to local exchanges.
Local Exchanges – Routes calls either to another central office or POP.
POP – Routes calls from one local exchange to another or to a long distance system.
Long Distance System – Connects POPs together to route calls over long distances.
Fixed Line – Describes using copper wiring rather than a cellular method.

2. Define and describe the following Telecommunications Network Components:

Cellular Telephones:

Voice – Device (smartphone, computer), Cell site, carrier
Data – Device (smartphone, computer), Cell site, carrier

Telephone Network Topology:

Demarcation Point – This is the point where the service provider verifies that services are available and the obligation of wiring shifts to the customer.
Equipment – Any equipment not touched by an end user for a carrier to provide telecommunication services.
Access Networks – Part of a telecommunications network that connects customers to their service provider (carrier).
Regional/Metro Networks – A network that covers a particular region or metropolitan area, generally determined by geographic location.

Cable TV

Broadcast TV – Involves the act of broadcasting audio and video over the airwaves for TV antennas to pick up.
Community Antenna – Generally a larger antenna that receives a signal then distributes that signal to localized users which reduces the number of antennas in the air.
Network Access Point – A connection point, either wired or wireless that allows a device to connect to a network.
Interface Device – Any devices that can connect to a network.

Telecommunication Services:

RBOCs – Regional Bell Operating Companies, a.k.a. “Baby Bells”, were created in the divestment of AT&T after a lawsuit settled in 1982 (United States v. AT&T).
Unbundling – Where a carrier other than the primary may lease a local loop to provide services to a customer.
MSOs – Multi-System Operator, is a company that operates multiple services to an area, like those that offer Triple-play (see below).
ISPs – Internet Service Provider.
Triple Play – Three services provided as a package deal generally consisting of Cable TV, Telephone and High-speed Internet.
Cloud Computing – The concept of data or applications not being on the hard drive of the computer used to access the data.

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