Which two must be installed or configured either manually or by DBCA in order to use Enterprise Manager Database Express (EM Express)? (Choose two.)
A. A port number for Oracle HTTP Server must be configured
B. The APEX_PUBLIC_USER role must be granted to SYSMAN
C. A SYSMAN user with SYSDBA privilege must be created
D. At least one TCP/IP dispatcher must be configured
E. The Oracle HTTP Server must be installed