Question

question 3
what high - capacity transmission technique uses a wide range of frequencies to increase the capacity of communication over a network?
○ extranet
○ broadband
○ firewalling
○ firmware

Explanation:

The question asks for a high-capacity transmission technique using a wide range of frequencies. "Broadband" refers to transmission that uses multiple frequencies simultaneously to increase data capacity, matching the description. Other options are irrelevant: "extranet" is a private network extension, "firewalling" is security, and "firmware" is embedded software.

Answer:

B. broadband