Today, most Java 2, Enterprise Edition (J2EE) applications use a database to have a persistent
storage for data. Which two statements regarding the data source are true? (Choose two.)
A.
J2EE applications use the data source to ensure portability across application servers.
B.
J2EE applications use the data source to store the Java Naming and Directory Interface (JNDI)
tree.
C.
J2EE applications retrieve connections to the database throughDataSource objects.
D.
J2EE applications cannot use more than one data source.