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CompTIA

220-801 · Question #73

Which of the following Internet connections commonly utilize an analog phone line? (Select TWO).

The correct answer is D. Dial-up F. DSL. Dial-up and DSL both transmit data over standard analog PSTN (Public Switched Telephone Network) phone lines, distinguishing them from wireless or cable-based broadband technologies.

Networking

Question

Which of the following Internet connections commonly utilize an analog phone line? (Select TWO).

Options

  • ASatellite
  • BWiMAX
  • CCellular
  • DDial-up
  • ECable
  • FDSL

How the community answered

(44 responses)
  • B
    2% (1)
  • D
    95% (42)
  • E
    2% (1)

Why each option

Dial-up and DSL both transmit data over standard analog PSTN (Public Switched Telephone Network) phone lines, distinguishing them from wireless or cable-based broadband technologies.

ASatellite

Satellite internet uses radio signals transmitted to and from orbiting satellites and does not use phone lines.

BWiMAX

WiMAX is a wireless broadband standard that uses licensed radio spectrum and base stations, not analog phone lines.

CCellular

Cellular internet uses mobile radio networks (3G/4G/5G) over licensed spectrum, completely independent of phone line infrastructure.

DDial-upCorrect

Dial-up uses a modem to modulate digital data into analog signals transmitted over a standard analog telephone line, requiring a dial-up connection to an ISP.

ECable

Cable internet uses coaxial cable TV infrastructure (DOCSIS), not analog telephone lines.

FDSLCorrect

DSL (Digital Subscriber Line) also operates over the copper analog phone line infrastructure but uses higher frequencies to achieve broadband speeds without occupying the voice band.

Concept tested: Internet connection types using analog phone lines

Source: https://learn.microsoft.com/en-us/windows-server/networking/technologies/nps/nps-np-configure

Topics

#dial-up#DSL#analog phone line#Internet connection types

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