Which two devices are needed when a digital leased line is used to provide a connection between the customer and the service provider? (Choose two.)

Last Updated: Feb 1, 2023
IT Exam Items Repository › Category: CCNA › Which two devices are needed when a digital leased line is used to provide a connection between the customer and the service provider? (Choose two.)

Which two devices are needed when a digital leased line is used to provide a connection between the customer and the service provider? (Choose two.)

  • dialup modem
  • access server
  • DSU
  • Layer 2 switch
  • CSU

Explanation: Digital leased lines require a channel service unit (CSU) and a data service unit (DSU). An access server concentrates dialup modem dial-in and dial-out user communications. Dialup modems are used to temporarily enable the use of analog telephone lines for digital data communications. A Layer 2 switch is used to connect a LAN.

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