Oracle Service Cloud Developer — Question 9

Which three features are unique to Exadata Storage? (Choose three.)

Answer options

• A. grid disks with default AU allocation sizes of 1 MB
• B. usage of flash technology to cache recently used data
• C. prioritization of disk I/Os based on the database
• D. prioritization of OLTP I/Os over scan I/Os
• E. database storage flash cache space allocation guarantees and limits

Correct answer: A, C, E

Explanation

The correct answers A, C, and E highlight features that are specific to Exadata Storage, such as the default allocation sizes for grid disks, the way disk I/Os are prioritized based on the database, and the guarantees on flash cache space allocation. Options B and D, while relevant to storage performance, do not uniquely pertain to Exadata Storage features.