Concept:The Explorer bar provides quick access to different browsing or navigation panels in Windows.
Explanation:The Explorer bar is used to display extra sections, or categories, in Internet Explorer and File Explorer.
These categories are Search, Favorites, and History.
Search helps you find files or websites.
Favorites stores pages or folders you visit often.
History keeps a record of recently visited pages or opened files.
Since there are exactly three categories, the correct answer is
3.
Answer:B. 3