Question

Which of the following network protocol is used by US cellular carriers to automatically accommodate subscribers who roam into their coverage regions?

(a) IS-36

(b) IS-121

(c) IS-41

(d) IS-14

The question was posed to me in an interview for internship.

This interesting question is from Development of Wireless Networks in portion Wireless Networking of Wireless/Mobile

Answer 1

Right option is (c) IS-41

For explanation: US cellular carriers implemented the network protocol standard IS-41 to allow different cellular systems to automatically accommodate subscribers who roam into their coverage region.