In which of the following scenarios would you use the redo function? you have just typed information that you want to be available in more than one location in the document. you have just used the save as function to name the document, but now you want to change the name. you have just used the paste function to insert copied material, and you want to insert that material again. you have just used the undo function to delete a paragraph, and you want that paragraph back.

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.