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Network+ Video Course > Internet Access Technologies > Flashcards

Internet Access Technologies Flashcards

1
Q

(DSL) DSL stands for a ______ _________ ____.

A

Digital, Subscriber, Line

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2
Q

(DSL) DSL is a popular technology that is used by homes and businesses to access _________ ____ over the internet.

A

broadband, data

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3
Q

(DSL) The advantage of DSL is that it can carry both voice and data at the ____ ____.

A

same, time

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4
Q

(DSL) It has a DSL modem that uses common telephone lines to carry its ____.

A

data

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5
Q

(DSL) It’s a high-speed connection that is much faster than your regular ____-__ ______.

A

dial, up, modems

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6
Q

(ADSL) There are a few different forms of DSL, and one is called ADSL, which stands for ___________ ______ __________ ____.

A

Asymmetric, Digital, Subscriber, Line

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7
Q

(ADSL) This is called asymmetric because the download speed is considerably ______ than the upload speed.

A

faster

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8
Q

(ADSL) This type of DSL is typically used in _____ and is the ________ form of DSL.

A

homes, cheapest

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9
Q

SDSL stands for _________ _______ _________ ____, and as the name implies, the download and upload speeds are the ____.

A

Symmetric, Digital, Subscriber, Line, same

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10
Q

(SDSL) This type is typically used in __________.

A

businesses

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11
Q

(SDSL) This type is typically used in businesses.

A
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12
Q

(VDSL) VDSL stands for Very High Bit DSL, and this is a very fast form of DSL.

A
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13
Q

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.

A
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14
Q

For long distances, it can also use fiber optic cable.

A
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15
Q

(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.

A
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16
Q

(VDSL) For long distances, it can also use fiber optic cable.

A
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17
Q

(Cable Broadband) It uses a cable modem with an attached _______ cable, which provides a link to the _______ _______ ________.

A

coaxial, internet, service, provider

18
Q

(Cable Broadband) Like DSL, cable is very ____ with speeds of __ megabytes or more.

A

fast, 50

19
Q

(Cable Broadband) Cable is typically provided by the ____ ________ that provides cable television to their customers.

A

same, provider

20
Q

POTS/PSTN stands for _____ ___ _________ _______ and ______ ________ _________ _______, and these are just your plain old telephone lines.

A

Plain, Old, Telephone, Service, Public, Switched, Telephone, Network

21
Q

(POTS/PSTN) These are slowly becoming obsolete by people who use the internet because of their ____ ______.

A

slow, speeds

22
Q

(POTS/PSTN) telephone lines do have an advantage, and that is that they are basically __________ and they are fairly _____ to use.

A

everywhere, cheap

23
Q

(Satellite) Satellite communication is pretty _________ and it’s mainly used where no other services are ________ like phones, cable, or DSL.

A

expensive, provided

24
Q

(Satellite) because of the increasing availability of these other options (phones, cable, or DSL), satellite is ______ ____.

A

rarely, used

25
Q

(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.

A

15 mbps

26
Q

(mobile hotspot) mobile hotspots are portable devices that use ________ ________ to connect wireless devices to the internet.

A

cellular, networks

27
Q

(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 ________.

A

30, internet

28
Q

(mobile hotspot) Mobile hotspots come in two forms: they will either be a ____________ ______ or they can come as a feature built into a __________.

A

freestanding device, smartphone

29
Q

(mobile hotspot) Mobile hotspots are available through cell phone _______ such as Verizon, AT&T, T-Mobile, and Sprint.

A

carriers

30
Q

(WiMAX) much like your home wireless network where it covers your home, WiMAX covers much ______ _____.

A

larger, areas

31
Q

(WiMAX) WiMAX is basically a super wireless network that can cover entire ______ or _________.

A

cities, countries

32
Q

(WiMAX) WiMAX works with _____ ______ that are scattered in different geographical locations, and these towers directly connect to an _______ _________ _______, typically with a T3 line.

A

WiMAX, Towers, Internet, Service, Provider

33
Q

(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 ________.

A

area, receiver, internet

34
Q

(WiMAX) WiMAX does have the potential of replacing DSL and cable service because it can provide internet access to places where cable and DSL _____ _____.

A

can’t, reach

35
Q

(Metro Ethernet) Metro Ethernet is simply a Metropolitan Area Network or MAN that is based on ________ _________.

A

Ethernet, Standards

36
Q

(Metro Ethernet) basically used to connect businesses and residential users to a ______ _______ such as the internet using Ethernet.

A

larger network

37
Q

(Metro Ethernet) Metro Ethernet is fairly ______ and ______ to use because it doesn’t require any specialized cabling or equipment like other expensive technologies require.

A

simple, cheaper

38
Q

(Metro Ethernet) It only uses equipment and cabling related to ________, which is by far the most common internet technology today.

A

Ethernet

39
Q

(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 ________ ___________.

A

Ethernet connectivity

40
Q

(VDSL) VDSL stands for ____ ____ ___ DSL, and this is a very fast form of DSL.

A

Very, High, Bit

41
Q

(VDSL) has download speeds of over __ megabits per second over copper wire, but because it uses copper wire, it’s only made for _____ distances.

A

50 mbps, short

42
Q

(VDSL) For long distances, it can also use _____ _____ _____.

A

Fiber, Optic, Cable

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