Question 3 (20 points): Review the car-caravan analogy from Section 1.4 in the text book. Assume a propagation speed of 100 km/hour. a) Suppose the caravan travels 300 Km, beginning in front of one tollbooth passing through a second tollbooth, and finishing just after a third tollbooth. What is the end-to-end delay? b) Repeat (a) assuming there are eight cars in the caravan instead of 10. 8:36 AM Fri Feb 5 23% 1 cloudflare-ipts.com 39 of 856 0 National or Global ISP Mobile Network Local or Regional ISP Home Network Enterprise Network Figure 1.4 Access networks networks with thick, shaded lines and the settings (home, enterprise, and wide-area mobile wireless) in which they are used