题目内容

This type of network topology does not use a specific physical layout.

A. Hybrid
B. Hierarchical
C. Mesh
D. Tree

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The actual connecting or transmission medium that carries the message in a communication system is called the _______.

A. communication channel
B. data transmission
C. communication system
D. connection device

_______ is a high-frequency transmission medium that has a single solid-copper core.

A. Twisted pair
B. Coaxial cable
C. Microwave
D. Fiber-optic cable

_______ is the name of the process of converting from analog to digital.

A. Modulation
B. Optical recognition
C. Demodulation
D. Virtualization

_______ uses standard telephone lines to provide high-speed connections.

A. Cellular
B. Satellite
Cable
DSL