You are beginning the process of creating an Oracle ACFS volume. Which command creates an
Oracle ACFS volume?
A.
asracrad[ + ] >volcreate -G data -s 5G volurae1
B.
asracrad[ + ] >vol create -G data -s 5G volurae1
C.
asracrad[ + ] > alter diskgroup DATA create volurae1size 5G;
D.
asracrad[ + ] > :createvol -G data -a 5G volurae1
A is correct
Create an Oracle ASM volume in a mounted disk group with the ASMCMD volcreate command.
ASMCMD [+] > volcreate -G data -s 10G volume1
Determine the device name of the volume that was created.
ASMCMD [+] > volinfo -G data volume1
Create a file system with the Oracle ACFS mkfs command.
$ /sbin/mkfs -t acfs /dev/asm/volume1-123
C is wrong – No create option with alter diskgroup command
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_1006.htm