Actions: (:action moveTruck :parameters(?t – truck ?source_…

Actions: (:action moveTruck :parameters(?t – truck ?source_loc ?dest_loc – location) :precondition(and (truck_at ?t ?source_loc) (path ?source_loc ?dest_loc)) :effect(and (not (truck_at ?t ?source_loc)(truck_at ?loc ?dest_loc)) ) (:action load :parameters(?p – package ?t – truck ?loc – location) :precondition(and (package_at ?p ?loc)(truck_at ?t ?loc)) :effect(and (not (packeg_at ?p ?loc))(in ?p ?t)) ) (:action unload :parameters(?p – package ?t – truck ?loc – location) :precondition(and (truck_at ?t ?loc)(in ?p ?t)) :effect(and (not (in ?p ?t))(package_at ?p ?loc)) ) Current State: (truck_at truck_2 location_1)(truck_at truck_1 location_2)(package_at package_1 location_1)(package_at package_2 location_2)(path location_1 location_2)(path location_2 location_1) Consider the provided action descriptions and current state. Given this information, which action can be executed?

Consider a wireline network that uses CSMA/CD. The farthest…

Consider a wireline network that uses CSMA/CD. The farthest distance between two stations on the network is 900m. The transmission speed is 100Mbps. What is the minimum frame length required to ensure that collision detection will always be useful? (Assume speed of light = 3 x 10^8 m/s).