oracle.1z0-053:the ASM disk group compatibility attributes
QUESTION
NO: 20
You are managing an Oracle Database 11g instance and an Oracle Database 10g
instance on the same machine. Both instances use the ASM instance as storage. Which statement
regarding the ASM disk group compatibility attributes are true in this scenario? (Choose all
that apply.)
A. The database-compatibility version settings for each instance must be
greater than or equal to the RDBMS compatibility of all ASM disk groups used by that database instances.
B. RDBMS compatibility and the database version determines whether a database
instance can mount the ASM disk group.
C. The RDBMS compatibility settings for a disk group control the format of data
structures for ASM metadata on the disk.
D. ASM compatibility controls which features for the ASM will be enabled.
Answer: A,B,D
Explanation:
The value for the disk group COMPATIBLE.ASM attribute determines the minimum software version for an Oracle ASM instance that can use the disk group. This setting also affects the format of the data structures for the Oracle ASM metadata on the disk. The format of other file contents is determined by Oracle ASM Dynamic Volume Manager (Oracle ADVM) and the database instance.
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