If a user wants to add an expansion card to increase the memory of a computer, where should the user insert the card? into a slot in the computer into a network with another computer into a bus in the motherboard into a port on the outside of the computer

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.