Same for: 1.2.8 Check Your Understanding – Physical Layer Characteristics
1. Which media uses patterns of microwaves to represent bits?
- copper
- wireless
- fiber-optic
Explanation: In wireless networks data is represented by patterns of microwave transmissions.
2. Which media uses patterns of light to represent bits?
- copper
- wireless
- fiber-optic
Explanation: Fiber-optic cables use patterns of light to represent bits.
3. Which media uses electrical pulses to represent bits?
- copper
- wireless
- fiber-optic
Explanation: Electrical pulses are used to represent bits on networks using copper cable media.
4. Which of these is the name for the capacity of a medium to carry data?
- bandwidth
- throughput
- goodput
Explanation: Bandwidth is the capacity of a network medium to carry data.
5. Which of these is a measure of the transfer of bits across the media?
- bandwidth
- throughput
- goodput
Explanation: The transfer of bits across the network media over a period of time is known as throughput.