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A cloud user is assigned the Service Administrator role. Which cloud actions can this user perform?
A. Perform all tasks in the My Services application, including user and role management tasks.
B. View, create, update, and delete Oracle Compute Cloud Service resources.
C. View only the Oracle Compute Cloud resources.
D. Work with one or more Oracle Cloud services only and use the My Services application to manage his or her own password and security challenge questions.
Your customer needs to ensure that their data is available on the Exadata machine during patches. The customer wants to be able to patch one server at a time but still be protected against single-node server failure.
How does Advanced Compression differ from Hybrid Columnar Compression?
A. Advanced Compression is free to use on Exadata Database Machine, whereas Hybrid Columnar Compression must be purchased.
B. They are the same; Advanced Compression is called Hybrid Columnar Compression on Exadata Database Machine.
C. Hybrid Columnar Compression is good for tables with active updates and deletes, and provides deeper compression ratios.
D. Advanced Compression is good for tables with active updates and deletes, whereas Hybrid Columnar Compression is best applied to tables or partitions where data is fairly static.
Correct Answer: D
The Exadata compute node, exadbs04, has been having issues for some time. The server had to be repaired and you just received a new server. Your LVM snapshot was corrupt and now the compute node must be re-imaged with an Oracle Support installation image.
Which three tasks must be performed in order to re-image the compute node? (Choose three.)
A. Create a CELLBOOT USB Flash Drive by using an external USB drive.
B. Mount the LVM backup image across the network and recover the system.
C. Remove exadbs04 from the RAC cluster and all associated Oracle Homes from the central inventory.
D. Reboot the new server by using a bootable recovery image from the external USB drive.
E. Reconfigure all site-specific settings (host name, IP addresses, NTP server, and so on).
Correct Answer: CDE
Which statement is true about instance caging setup?
A. The initialization parameter resource_manager_planshould be set.
B. For a system with 16 threads, the sum of cpu_count for all databases should not be higher than 32 to prevent oversubscribing.
C. Database instances need to be restarted to make changes to cpu_counteffective.
D. The CPU Resource Manager and IORM need to be enabled to make instance caging to work as expected.
E. Instance caging is the right approach to make sure that database instances are not stealin memory from one another.
Which three tools can be used on a freshly re-imaged Exadata system to create, resize, or delete ACFS filesystems? (Choose three.)
A. SQL*Plus and ASMCMD
C. Enterprise Manager Express
D. Enterprise Manager Cloud Control
Correct Answer: ABC
Reference: https://dbasolutions.wikispaces.com/ACFS on Linux
Your government customer has purchased a full rack of Exadata. The customer has two departments that would like to share the Exadata Database Machine but the concern is that department A will be able to see data from department B.
Which architecture would you suggest to solve this deployment issue?
A. Split the configuration by using Oracle Nimbula\’s cloud software so that four database servers and seven cells can be used by department A and the rest can be used by department B.
B. Split the configuration and use ASM-Scoped Security so that four database servers and seven cells can be used by department A and the rest can be used by department B.
C. Set up instance caging to ensure that department A has access only to four database servers and seven cells and department B has access to the rest.
D. Define the split by setting up database services that are specific to department A and department B.