Real Oracle 1Z0-515 exam Q&As free download

1.A Full Rack Oracle Exadata Database Machine can contain 100 TB of disk space with high
performance.
How much user data should you conservatively estimate this configuration can hold?
A. 100 TB
B. 75 TB
C. 50 TB
D. 28 TB
E. 20 TB
Answer: A
2.Identify the action that you CANNOT perform using Database Resource Manager.
A. Define Consumer Groups.
B. Create rules to map sessions to Consumer Groups.
C. Define a Resource Plan.
D. Allocate individual CPUs to Consumer Groups.
Answer: B
3.You will be implementing a data warehouse for one of your customers. In your design process, which
index type is most likely to be used to improve the performance of some queries where the data is of low
cardinality?
A. Bitmap indexes
B. B*tree indexes
C. Reverse indexes
D. Invisible indexes
Answer: A
4.Identify the statement about ASM that is NOT true.
A. ASM is easier to manage than file systems.
B. ASM delivers the performance of raw partitions.
C. ASM is an extra cost option for Oracle databases.
D. ASM delivers automatic striping and mirroring.
Answer: B
5.For data warehousing, identify the benefits that would NOT be provided by the use of RAC.
A. Distribute workload across all the nodes.
B. Distribute workload to some of the nodes.
C. Provide parallel query servers.
D. Provide high availability for all the operations.
Answer: B

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