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

  • cable
  • ISDN
  • dialup
  • DSL
Explanation & Hint:

The public WAN access technology that utilizes copper telephone lines to provide access to subscribers and can be multiplexed into a single T3 link connection is DSL (Digital Subscriber Line). DSL technology uses existing copper telephone lines to provide high-bandwidth data communication for subscribers. It allows for data and voice to be transmitted simultaneously, which is why it can be used alongside regular telephone service.

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