How do you control the size of the buffer that contains data extracted from an ASM instance?

How do you control the size of the buffer that contains data extracted from an ASM instance?

A.
TRANLOGOPTIONS ASMBUFSIZ

B.
DBOPTIONS ASMBUFSIZE

C.
TRANLOGOPTIONS BUFSIZE

D.
DBOPTIONS BUFSIZE

Explanation:
Reference :
http://download.oracle.com/docs/cd/E15881_01/doc.104/gg_wux_ref_v104.pdf