Which two statements are true about Complex Event Processing (CEP)? 

Answer options:

A. It is a method to achieve the best outcome in a model where data is already stored in a relational database.
B. It is a technique used for querying data prior to it being stored within a database or without it ever being stored.
C. It is a highly efficient method of analyzing and processing streams of data.
D. It is a technique for rapidly storing large amounts of unstructured data.
E. It executes extremely complex queries against a database using a new query language.

BD