Answer:
_____Router___ allows the cloud controller to locate instances on separate zones to boost redundancy.
Step-by-step explanation:
A router, as a networking device, forwards data packets between one computer network and other networks. With a router, one can use wired and wireless devices to connect to the Internet. Unlike a modem, which connects the home network to a wider internet, a router can enable the networks to interact with one another without using the Internet.