Consider a packet of length 1,500 bytes that begins at end system A and travels over three links to a destination end system B. These three links are connected by two packet switches. The propagation speed on all three links is 2.5 × 108 m/s, the capacity of the three links is 10 Mbps, 5 Mbps and 20 Mbps, respectively, the packet switch processing delay is 1 msec, and the lengths of the three links are 5,000 km, 2,500 km, and 1,000 km, respectively. Suppose there is no queuing delay. What is the end-to-end delay? Describe the components in the end-to-end delay and show intermediate steps.

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Consider the following function main: int main() { int alpha[20]; int beta[20]; int matrix[10][4]; . . } a. write the definition of the function inputarray that prompts the user to input 20 numbers and stores the numbers into alpha. b. write the definition of the function doublearray that initializes the elements of beta to two times the corresponding elements in alpha. make sure that you prevent the function from modifying the elements of alpha. c. write the definition of the function copyalphabeta that stores alpha into the first five rows of matrix and beta into the last five rows of matrix. make sure that you prevent the function from modifying the elements of alpha and beta. d. write the definition of the function printarray that prints any onedimensional array of type int. print 15 elements per line. e. write a c11 program that tests the function main and the functions discussed in parts a through d. (add additional functions, such as printing a two-dimensional array, as needed.)