1. Which of the following is a Database Management System (DBMS) for desktop computers? Select one: A. Oracle Database B. Microsoft SQL Server C. Informix D. Microsoft Access 2. The new e-commerce involves more of the following, EXCEPT Select one: A. sharing B. social C. mobile D. locall 3. Which of the following dimensions of e-commerce technology has the potential to raise the quality of information? Select one: A. Customization B. Richness C. Interactivity D. Information density 4.In business collaboration, customers, suppliers, and other business partners can access the same information system via Select one: A. metropolitan area network (MAN) B. local area network (LAN) C. intranet D. extranet 5. enables users to access online shopping platforms without needing to use a desktop computer. Select one: A. digital goods B.m-commerce C. intranet D. e-commerce