Which six files are involved in database recovery for block storage option after a database crash?

Which six files are involved in database recovery for block storage option after a database crash? 

A. Essn.pag 
B. Essn.ind
C. Essn.dat
D. Temp.dat
E. Dbname.esm
F. Dbname.tct
G. Dbname.ind

H. DBname.otl
I. Metadata folder 

 

Correct Answer: ABEFGH
Explanation/Reference:

Tip : BSO cubes store data in the form of .pag files, ASO Cubes store data in the form of .dat files. So C&D can not be the answer.

Answer is available at the below two references,

Book - Look Smarter than you are with Hyperion Essbase 11.1.2 Page # 509
Link - Using Backup and Restore for Block Storage Databases  https://docs.oracle.com/cd/E57185_01/EPMBK/ch04s01s02s02.html