Which two statements are true about Enterprise Manager (EM) Express in Oracle Database 12c? (Choose two.)
A. You can perform basic administrative tasks for all pluggable databases hosted by the same container database using a single instance of EM Express
B. You can create and configure pluggable databases by using EM Express
C. You can use a single instance of EM Express to manage multiple databases running on the same server
D. You cannot start up or shut down a database instance by using EM Express
E. By default, EM Express is available for a database after database creation using DBCA