【单选题】You have a single Class C IP address and a point-to-point serial link that you want to implement VLSM on. Which subnet mask is the most efficient for this point to point link?
【简答题】A terrorist releases 100 g of nerve gas as a single instantaneous emission at ground level at point x=y=z=0, at time t=0. The wind speed is 3 m/s and the stability class is C and the mixing height, L,...