Internet Access Technologies Flashcards
(DSL) DSL stands for a ______ _________ ____.
Digital, Subscriber, Line
(DSL) DSL is a popular technology that is used by homes and businesses to access _________ ____ over the internet.
broadband, data
(DSL) The advantage of DSL is that it can carry both voice and data at the ____ ____.
same, time
(DSL) It has a DSL modem that uses common telephone lines to carry its ____.
data
(DSL) It’s a high-speed connection that is much faster than your regular ____-__ ______.
dial, up, modems
(ADSL) There are a few different forms of DSL, and one is called ADSL, which stands for ___________ ______ __________ ____.
Asymmetric, Digital, Subscriber, Line
(ADSL) This is called asymmetric because the download speed is considerably ______ than the upload speed.
faster
(ADSL) This type of DSL is typically used in _____ and is the ________ form of DSL.
homes, cheapest
SDSL stands for _________ _______ _________ ____, and as the name implies, the download and upload speeds are the ____.
Symmetric, Digital, Subscriber, Line, same
(SDSL) This type is typically used in __________.
businesses
(SDSL) This type is typically used in businesses.
(VDSL) VDSL stands for Very High Bit DSL, and this is a very fast form of DSL.
It has download speeds of over 50 megabits per second over copper wire, but because it uses copper wire, it’s only made for short distances.
For long distances, it can also use fiber optic cable.
(VDSL) It has download speeds of over 50 megabits per second over copper wire, but because it uses copper wire, it’s only made for short distances.
(VDSL) For long distances, it can also use fiber optic cable.
(Cable Broadband) It uses a cable modem with an attached _______ cable, which provides a link to the _______ _______ ________.
coaxial, internet, service, provider
(Cable Broadband) Like DSL, cable is very ____ with speeds of __ megabytes or more.
fast, 50
(Cable Broadband) Cable is typically provided by the ____ ________ that provides cable television to their customers.
same, provider
POTS/PSTN stands for _____ ___ _________ _______ and ______ ________ _________ _______, and these are just your plain old telephone lines.
Plain, Old, Telephone, Service, Public, Switched, Telephone, Network
(POTS/PSTN) These are slowly becoming obsolete by people who use the internet because of their ____ ______.
slow, speeds
(POTS/PSTN) telephone lines do have an advantage, and that is that they are basically __________ and they are fairly _____ to use.
everywhere, cheap
(Satellite) Satellite communication is pretty _________ and it’s mainly used where no other services are ________ like phones, cable, or DSL.
expensive, provided
(Satellite) because of the increasing availability of these other options (phones, cable, or DSL), satellite is ______ ____.
rarely, used
(Satellite) The speed of satellite has increased throughout the years, with speeds maxing out around __ megabytes per second with only a fraction of that in upload speeds.
15 mbps
(mobile hotspot) mobile hotspots are portable devices that use ________ ________ to connect wireless devices to the internet.
cellular, networks
(mobile hotspot) if there are wireless devices within __ feet of the mobile hotspot, they can join it, and then they will have access to the ________.
30, internet
(mobile hotspot) Mobile hotspots come in two forms: they will either be a ____________ ______ or they can come as a feature built into a __________.
freestanding device, smartphone
(mobile hotspot) Mobile hotspots are available through cell phone _______ such as Verizon, AT&T, T-Mobile, and Sprint.
carriers
(WiMAX) much like your home wireless network where it covers your home, WiMAX covers much ______ _____.
larger, areas
(WiMAX) WiMAX is basically a super wireless network that can cover entire ______ or _________.
cities, countries
(WiMAX) WiMAX works with _____ ______ that are scattered in different geographical locations, and these towers directly connect to an _______ _________ _______, typically with a T3 line.
WiMAX, Towers, Internet, Service, Provider
(WiMAX) Each tower covers a certain ____, just like a cell phone tower does, and to pick up the transmission of these towers, you need a _______ in your home or computer to receive the signal. And once that is done, you can now access the ________.
area, receiver, internet
(WiMAX) WiMAX does have the potential of replacing DSL and cable service because it can provide internet access to places where cable and DSL _____ _____.
can’t, reach
(Metro Ethernet) Metro Ethernet is simply a Metropolitan Area Network or MAN that is based on ________ _________.
Ethernet, Standards
(Metro Ethernet) basically used to connect businesses and residential users to a ______ _______ such as the internet using Ethernet.
larger network
(Metro Ethernet) Metro Ethernet is fairly ______ and ______ to use because it doesn’t require any specialized cabling or equipment like other expensive technologies require.
simple, cheaper
(Metro Ethernet) It only uses equipment and cabling related to ________, which is by far the most common internet technology today.
Ethernet
(Metro Ethernet) even though end users are not sure what technology their internet service provider is providing in the middle, what matters is that on both ends, it’s using ________ ___________.
Ethernet connectivity
(VDSL) VDSL stands for ____ ____ ___ DSL, and this is a very fast form of DSL.
Very, High, Bit
(VDSL) has download speeds of over __ megabits per second over copper wire, but because it uses copper wire, it’s only made for _____ distances.
50 mbps, short
(VDSL) For long distances, it can also use _____ _____ _____.
Fiber, Optic, Cable
