Cisco
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)- A15% (4)
- B7% (2)
- C4% (1)
- D74% (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
Community Discussion
No community discussion yet for this question.