Which of these symbols is generally used to represent a network?

The cloud symbol (Option C) is commonly used to represent a network, particularly in diagrams to signify a network or cloud-based resources. This symbol has become a universal representation of network connections and internet-based services.

CTS Technology Specialist Reference

The CTS materials include standard AV and IT symbols, where the cloud symbol is used to denote networks and internet connections, aiding in clear communication within technical diagrams.