With regard to the drivers behind Application Grid based computing， consider the following statements and indicate which is TRUE： （） 
I. data center complexity leads to lack of predictability making it difficult if not impossible to guarantee quality of service 
II. data centers must do more with less and find a way to better utilize existing capacity 
III. growth means added complexity

A. If you select a non-XA JDBC driver， you can use WebLogic AQ JMS in both local & global transactions
B. Oracle WebLogic Server requires a JDBC driver to communicate with the Oracle AQ JMS
C. Oracle WebLogic AQ JMS stand-alone client automatically participate in global transactions managed by Oracle WebLogic Server
D. If you select an XA JDBC driver， you can use WebLogic AQ JMS in both local and global transactions

A. Clustered Servers capacity can be increased by adding new server instance to the cluster on an existing machine
B. Clustered Servers can be on a same or different machine with same operating system only
C. Clustered Servers can only be on a same machine or different operating system
D. Clustered Servers can be on a same or different machine with same or different operating system

A. Pack Tool
B. Configuration Wizard
C. Auditing Provider
D. Node Manager