Answer:
Network, vendor, and bill.
Explanation:
Network convergence is a term used in communication networking that describes the productive synergy among telephone, video, and data transmission using a single network, vendor, and a bill. It enables usage of numerous devices and numerous services with single network, vendor, and bill.
Hence, in this case, it can be concluded that, Network convergence refers to using a single network, single vendor, and single bill.
