Final answer:
The Communication Sector underlies multiple critical infrastructure sectors, including Commercial Facilities, Government Facilities, and Emergency Services.
Explanation:
Communication Sector underlies the operations of All of the above critical infrastructure sectors, including Commercial Facilities, Government Facilities, and Emergency Services. It encompasses structures and devices like telephone lines and radio transmitter towers, contributing to daily living and public safety. This sector includes telecommunications networks, essential for ensuring reliable and diverse media platforms and modernizing communication regulations.
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