Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection?

IT Exam Items RepositoryCategory: CCNAWhich public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection?

Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection?

  • ISDN
  • DSL
  • cable
  • dialup

Explanation: Digital Subscriber Line (DSL) is a high-speed WAN technology that utilizes existing twisted-pair copper telephone lines. In a typical deployment, the provider uses a DSL Access Multiplexer (DSLAM) at the Central Office to concentrate and multiplex signals from multiple DSL subscribers into a single high-capacity backhaul connection, such as a T3 link or an optical fiber, to connect them to the internet.

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