Which WebLogic optimization allows one non-XA resource to participate in a distributed transaction? 

Answer options:

A. enabling Pinned to Thread
B. enabling Logging Last Resource
C. increasing the Statement cache size
D. setting the statement cache type to LRU
E. setting the initial and maximum capacity to the same number

B

Oracle WebLogic Server Logging Last Resource (LLR) An additional option for XA transactions is Oracle WebLogic Servers Logging Last Resource (LLR) transaction optimization through JDBC data sources. LLR is a performance enhancement option that enables one non-XA resource to participate in a distributed transaction with the same ACID guarantee as XA. In a distributed transaction with an LLR participant, the Oracle WebLogic Server transaction Reference: http://www.oracle.com/technetwork/products/clustering/overview/distributed-transactions-and-xa-163941.pdf