Network convergence refers to using a single.

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.

solution:

bookmark is a word, symbol, image, or other object that links you to another element in another location.

bookmark is a saved shortcut that directs your browser to a specific webpage. it stores the title, url, and favicon of the corresponding page. saving bookmarks allows you to easily access your favorite locations on the web.

it works in all modern web browsers include bookmark features. bookmarks are called favorites or internet shortcuts in internet explorer, and by virtue of that browser's large market share, these terms have been synonymous with bookmark since the first browser war.