Question: 1. Using dig command, please obtain ALL the IP addresses of google.com andcnn.com? 2. What are the differences between Control Connection and Data Connection in

1. Using dig command, please obtain ALL the IP addresses of google.com andcnn.com?

2. What are the differences between Control Connection and Data Connection in FTP?

3. What is the bandwidth of a digital signal? Explain

4. If the maximum frequency audible to a human ear is 20,000Hz, at what rate must the analog signal from a microphone be sampled when converting it to digital?

5. What is the relationship between bandwidth, signal levels, and data rates?

6. if a system has an average power level of 100, an average noise level of 33.33, and a bandwidth of 100 MHz, what is the effective limit on channel capacity?

7. If a system has an input power level of 9000, and an output power level of 3000,what is the difference when expressed in dB?

8. If a telephone system can be created with a signal-to-noise ratio of 40dB and an analog bandwidth of 3000hZ, how many bits per second could be transmitted?

9. Show the division of 10010101010 by 10101

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