You recently upgraded your Exadata image to the latest release; previously you were using11.2.0.3.At the same time, you

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You recently upgraded your Exadata image to the latest release; previously you were using11.2.0.3.At the same time, you decide to address some performance problems as follows:You noticed increased latency for the database log writer, especially during the quarterly battery learn cycle on the cells.You have complaints of erratic performance from certain write-intensive applications.Which two actions could improve performance in these areas?

A. Enable write-back flashcache by setting lunWriteCacheMode to Write Back Mode.
B. Use ALTER TABLE in the database to set CELL_FLASH_CACHE = KEEP for the tables belonging to the affected application.
C. Configure Smart Flash Log on the cells to use some of these of the space on the cell flash devices.
D. Configure the table belonging to the affected application using CELLCLI, to the set CELL_FLASH_CACHE = KEEP. E. Configure Smart Flash Log on the database server to use server flash memory.