4.2.7 Check Your Understanding - Physical Layer Characteristics

Correct

You have successfully identified the correct answers.

1. In wireless networks data is represented by patterns of microwave transmissions.
2. Fiber-optic cables use patterns of light to represent bits.
3. Electrical pulses are used to represent bits on networks using copper cable media.
4. Bandwidth is the capacity of a network medium to carry data.
5. The transfer of bits across the network media over a period of time is known as throughput.