The following numbers are sorted in which way: 10,20,30,40?

1. which of the following statements are true about routers and routing on the internet. choose two answers. a. protocols ensure that a single path between two computers is established before sending packets over it. b. routers are hierarchical and the "root" router is responsible for communicating to sub-routers the best paths for them to route internet traffic. c. a packet traveling between two computers on the internet may be rerouted many times along the way or even lost or "dropped". d. routers act independently and route packets as they see fit.

The gene form of a trait is called a(n) 

Which of the following is true of heuristics? a)heuristics always lead to correct solutions of a problem. b)heuristics represent commonly used approaches to the solution of a problem. c) heuristics are a slower way to solve problems than are other strategies. d)heuristics are used by computers but not by humans as problem-solving tools.