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VCE
Which statement is true about Exadata Storage Servers?
A. Exadata Storage Servers automatically delete old diagnostic and metric files.
B. Exadata requires a running database instance on all storage servers and database servers.
C. Redundancy for the user data that is stored in a database that is running on Exadata is achieved with RAID5.
D. Communication between a database and an Exadata storage flows over low latency 10 Gigabit Ethernet.
E. Exadata uses network affinity to determine which storage server data is written.
Which two statements are true about troubleshooting failed patching activities? (Choose two.)
A. Dependency issues found during yum updates should be ignored by using the force option.
B. Failed storage cell patches are rolled back to the previous release automatically.
C. Failed OS patches on database servers can be rolled back.
D. Dependency issues that are found during yum updates require rolling back to a previous release before retrying.
E. Bundle patches applied by using opatch autocannot roll back only the database or the grid infrastructure home.
F. Database server OS updates can be rolled back by using opatch auto -rollback.
Which statement explains the difference between Normal and High redundancy ASM failure groups?
A. Normal redundancy protects the DATA diskgroup, whereas High redundancy protects the RECO diskgroup.
B. Normal redundancy (best practice) provides protection against two simultaneous disk failures, whereas High redundancy provides protection against a single disk failure or an entire storage server failure.
C. High redundancy gives more usable storage, whereas Normal redundancy provides better I/O performance.
D. Normal redundancy protects from disk failure when a cell is offline or being updated, whereas High redundancy protects the system when all the cells are offline.
E. Normal redundancy tolerates a single cell failure, whereas High redundancy tolerates a two-cell failure.