please answer all.

Using MS Word Equation Editor tool when necessary. Q1. Two communicating devices are using a single-bit even parity check for error detection. The transmitter sends the byte 10101010 and, because of channel noise, the receiver gets the byte 10011010. Will the receiver detect the error? Why or why not? a. b. What is function of Minimum of Hamming Distance in data communication. Find the Hamming pairwise distances among the following codewords: (i) 00000, 10101, 01010 (ii) 000000, 010101, 101010, 110110 Q2. a. In a CRS error-detecting scheme, chose . Encode the bits 10010011011. b. Suppose the channel introduces an error pattern 100010000000000 (i.e., a flip from 1 to 0 or from 0 to 1 in position 1 and 5). What is received? Can the error be detected? c. Repeat part (b) with error pattern 100110000000000. Q3. Consider the use of 1000-bit frames on a 1-Mbps satellite channel with a 270-ms delay. What is the maximum link utilization for a. Stop-and-wait flow control? b. Continuous flow control with a window size of 7? c. Continuous flow control with a window size of 127? d. Continuous flow control with a window size of 255? Q4. Two neighbouring nodes (A and B) use a sliding-window protocol with a 3-bit sequence number. As the ARQ mechanism, go-back-N is used with a window size of 4. Assuming A is transmitting and B is receiving, show the window positions for the following succession of events: a. Before A sends any frames b. After A sends frames 0, 1, 2 and receives acknowledgment from B for 0 and 1 After A sends frames 3, 4, and 5 and B acknowledges 4 and the ACK is received by A c