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

What is the difference between a CSU/DSU and a modem?
  • A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.
  • A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital 63 signals from a router to a leased line. Cisco 640-802 Exam
  • A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.
  • A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.

Answer

  • A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.

Comments

  1. CSU/DSU converts digital signals from a DTE [eg:router] to Leased lines.
    Modem converts digital signals from a DTE to pphone line.
    Anonymous /
  2. On the CISCO website, their CCNA practice exam marked this answer wrong. And it failed to indicate a correct answer.
    Anonymous /
  3. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
    Anonymous /