Which medium do service providers use to transmit data over WAN connections with SONET, SDH, and DWDM?

Oct 20, 2021 Last Updated: Oct 20, 2021 No Comments
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IT Questions Bank › Category: CCNA › Which medium do service providers use to transmit data over WAN connections with SONET, SDH, and DWDM?

Which medium do service providers use to transmit data over WAN connections with SONET, SDH, and DWDM?

  • satellite
  • copper
  • fiber optic
  • Wi-Fi

Explanation: Technologies such as SONET, SDH, and DWDM are designed to run over fiber optic cables.

Exam with this question: CCNA 3 v7 Module 7 Quiz - WAN Concepts

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