The technology that provides high internet speed over telephone wiring is called:

Correct option is A

The correct answer is (a) ADSL

• ​ADSL is a type of DSL technology that delivers high-speed internet over existing telephone lines.
  
• It is called asymmetric because the download speed is typically faster than the upload speed, making it suitable for general internet usage (e.g., browsing, streaming).
  
• ADSL allows for simultaneous use of the telephone and internet without interference

Information Booster:-

Advantages of ADSL: Utilizes existing telephone infrastructure, making it widely available.Allows simultaneous internet usage and phone calls.

Disadvantages of ADSL:Speed is distance-dependent, with performance dropping at greater distances from the exchange. Slower upload speeds compared to download speeds, which may not be ideal for activities like gaming or uploading large files.