Question

1. using this type of communications channel, several users can simultaneously use a single connection for high - speed data transfer.

○ voiceband
○ medium band
○ broadband
○ baseband

Explanation:

Broadband allows multiple users to simultaneously use a single connection for high - speed data transfer. Voiceband is mainly for voice communication, medium band is not a common term in this context, and baseband is a lower - frequency band with different characteristics.

Answer:

C. Broadband