Practice Quiz

CEDIA ESPA EST Practice Test

Category - DHTI

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Which of the following statements regarding a DSL connection is not true?
  1. The same telephone line is to be used simultaneously for data and voice services.
  2. A DSL filter is required to extract the frequency at which data is transmitted.
  3. The distance between the subscriber’s location and the Telco’s CO determines the availability of a DSL connection.
  4. DSL is transmitted as a digital signal.
Explanation
Answer - D - The statement that is not true regarding a DSL connection is that DSL is transmitted as a digital signal.

Key Takeaway: DSL, or Digital Subscriber Line, is a high-speed Internet service offered by the telephone company Telco over its existing copper POTS infrastructure. DSL is transmitted as an analog signal to and from a home over the same line that provides voice communications services. DSL is available in Asymmetrical DSL, Symmetrical DSL, and ISDN over DSL.
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