Identify the two optional WebLogic security providers in an Oracle WebLogic security realm（）

A. a module in Oracle HTTP Server
B. a PL/SQL module in Oracle Database
C. an application in WebLogic Server Administration Server
D. an application in WebLogic Server Managed Server

A. Coherence provides stronger data management than an Application Server
B. Coherence provides better scale-out performance than a Application Server
C. Coherence provides better scale-out performance than a Database Server
D. Coherence provides better througput than a JMS messaging server Coherence provides stronger configuration management than Grid Control

A. Oracle Data Masking Pack
B. Oracle Real Application Testing
C. Oracle Byte Code Instrumentation for Java （BCI4J）
D. Oracle Real User Expirience Insight （ORUEI）