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

Which of the following network protocol is used by US cellular carrier

1.	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
Answer» D. IS-14

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

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