Aprogram needs to allow a customer to input integers until the input number is zero. when the input number is zero, the program should write the message "the number of integers you have input is: x" (instead of x there should be the total count of numbers input). what should be added below to replace the question mark

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.