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100-490 · Question #36

What is the difference between a CSU/DSU and a modem?

The correct answer is D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital. CSU/DSU is used to convert digital signals from a router to a network circuit such as a T1, while a modem is used to convert digital signals over a regular POTS line.

Service-Related Knowledge

Question

What is the difference between a CSU/DSU and a modem?

Options

  • AA CSU/DSU converts analog signals from a router to a leased line; a modem converts analog
  • BA CSU/DSU converts analog signals from a router to a phone line; a modem converts digital
  • CA CSU/DSU converts digital signals from a router to a phone line; a modem converts analog
  • DA CSU/DSU converts digital signals from a router to a leased line; a modem converts digital

How the community answered

(27 responses)
  • A
    15% (4)
  • B
    7% (2)
  • C
    4% (1)
  • D
    74% (20)

Explanation

CSU/DSU is used to convert digital signals from a router to a network circuit such as a T1, while a modem is used to convert digital signals over a regular POTS line.

Topics

#CSU/DSU#modem#digital signals#leased line

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