CompTIA A+ Core 1 (220-1101) — Question 142

Which of the following delivers internet over a copper medium?

Answer options

• A. ONT
• B. SDN
• C. DSL
• D. WISP

Correct answer: C

Explanation

The correct answer is C, DSL, which specifically utilizes copper telephone lines to deliver internet services. ONT (A) is related to fiber optics, SDN (B) refers to network management technology, and WISP (D) indicates wireless internet service, none of which use copper mediums for internet delivery.