Which of the following is required to classify, label, organize, and search big data stored...

Metadata is data about data — it describes the content, context, and structure of information. In big data environments, metadata allows organizations to classify, label, organize, and make large datasets searchable. Data security (B) protects information, a business application (C) uses data, and a data owner (D) assigns accountability. Only metadata enables the required classification and search functionality.