EECS 148 Introduction to Computer Networks 
 Problem Set #1** NOTE: These problems are on the "Nontextbook problems" handout. Walrand 1st ed. #1.5: In the first part ("find the value of x"), the switch is free, but the links are not. In the second part ("for which values of d"), neither the switch nor the links are free. Also give the resulting total costs in each case. Walrand 1st ed. #2.1: Justify your answers. Walrand 1st ed. #2.8: Tanenbaum 3rd ed. #2.14: Assume that "1MHz fullduplex" means that there is 1MHz capacity in each direction. Tanenbaum 3rd ed. #2.20:
