What is the synchronization bit in a t-1 frame used for

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Reference no: EM131911266

Assignments

For this module you are required to complete the following assignments:

Chapter 5:exercises #1 - 6

1. Compared to the other multiplexing techniques, state two advantages and two disadvantages of each of the following:

a. Frequency division multiplexing

b. Synchronous time division multiplexing

c. Statistical time division multiplexing

d. Dense wavelength division multiplexing

2. A benefit of frequency division multiplexing is that all the receivers do not have to be at the same location. Explain what this benefit means and give an example.

3. Twenty-four voice signals are to be multiplexed and transmitted over twisted pair. What is the total bandwidth required if frequency division multiplexing is used?

4. Twenty-four voice signals are to be multiplexed and transmitted over twisted pair. What is the bandwidth required (in bps) if synchronous time division multiplexing is used, if we use the standard analog-to-digital sampling rate, and if each sample is converted into an 8-bit value?

5. If only four computers are transmitting digital data over a T-1 line, what is the maximum possible data rate for each computer?

6. What is the synchronization bit in a T-1 frame used for? Why is it necessary?

Thinking Outside the Box #4

Compare and contrast the older multiplexing techniques such as frequency division and time division multiplexing with the newer techniques such as discrete multitone and orthogonal frequency division multiplexing. What appears to be the trend in these newer protocols?

Chapter 6: exercises #1 - 7

1. Which is the most difficult type of noise to remove from an analog signal? Why?

2. Which is the most difficult type of noise to remove from a digital signal? Why?

3. Explain the relationship between twisted pair wires and crosstalk.

4. Which type of cable is most susceptible to echo?

5. Given the character 0110101, what bit will be added to support even parity?

6. Given the character 1010010, what bit will be added to support odd parity?

7. Generate the parity bits and longitudinal parity bits for even parity for the characters 0101010, 0011010, 0011110, 1111110, and 0000110.

Thinking Outside the Box #3

Given today's networking technology, 3-bit and 7-bit sliding window sizes seen very restrictive. What would be a more reasonable size today? Explain your reasoning.

Reference no: EM131911266

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