Question

which of the following ways to connect to the internet uses a phone line, but can be used concurrently with a landline telephone? (1 point) dial - up broadband dsl fiber optics

Explanation:

Dial - up uses a phone line but ties up the line for calls. Broadband is a general term. Fiber optics doesn't use a traditional phone line. DSL (Digital Subscriber Line) uses a phone line and allows concurrent landline telephone use as it splits the line's frequency.

Answer:

DSL