EnsurepassQUESTION 31 Which two statements are true about enabling write-back flash cache?   A. When enabling write-back flash cache in a non rolling manner, it is important to ensure that asmdeactivatonoutcome is set to YES and asmModestatus is set to ONLINE for all grid disks. B. Before using write-back flash cache, you need to verify the minimum required versions. C. Before write back-flash cache is enabled, you need to drop the Flash Cache first. D. The setting flashCacheMode Read more [...]
EnsurepassQUESTION 41 Which Exadata feature eliminates unnecessary data transfers between database nodes and storage?   A. database views B. InfiniBand networking C. Flash Cache D. high performance SAS2 disk drives E. cell offloading   Correct Answer: C Explanation: The Exadata Smart Flash Cache feature of the Exadata Storage Server Software intelligently caches database objects in flash memory, replacing slow, mechanical I/O operations to disk with very rapid flash memory Read more [...]
EnsurepassQUESTION 11 You are concerned about how to recover from a failed Exadata Storage Server. What is the best way to recover from a storage cell failure when content in both system disks is lost?   A. Database Machine Administrators should be prepared by creating a backup using dbserver_backup.sh. B. Database Machine Administrators should be prepared by creating a backup to an NFS file location as described in the owners guide. C. Any USB can be plugged in to create a backup. Read more [...]
EnsurepassQUESTION 21 Which Exadata feature uses Flash as a parallel write cache to Disk Controller Cache?   A. Exadata DRAM B. InfiniBand network cache C. high performance SAS disks D. Smart Flash Log E. Hybrid Columnar Compression   Correct Answer: D Explanation: Smart Flash Logging takes advantage of the flash memory in Exadata storage to speed up log writes.     QUESTION 22 Identify the correct steps required to upgrade a 1/8th rack of Exadata to a 1/4th Read more [...]
EnsurepassQUESTION 1 Which two statements are true about migrating your database to Exadata?   A. Because Exadata uses InfiniBand, in order to migrate your database to Exadata, you must have InfiniBand on the system that you are migrating from. B. Using Data Guard Physical Standby to migrate from an 11.1 database to Exadata is beneficial because it allows you to adopt HCC during migration. C. ASM and database best practice configuration supplied during Exadata deployment should be Read more [...]