Which statement is true about customizing presentation programs? 1.you can add multiple animations to an object in a slide with the design option. 2.you can customize a predesigned slide layout with the slide master. 3.you can view the animation effect on the slide when you are working on it. 4.you cannot make any changes to the predesigned themes in presentation programs.

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.