1Z0-515 (Data Warehousing 11g Essentials) Document version: 19.10.11

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1Z0-515 (Data Warehousing 11g Essentials) Document version: 19.10.11
1Z0-515
(Data Warehousing 11g Essentials)
Document version: 19.10.11
1Z0-515 Exam Questions
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Question: 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
Question: 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
Question: 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
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Question: 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
Question: 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
Question: 6
Your customer is looking to implement ad-hoc analysis in a data warehouse. Which
approach is least likely to be used assuming that the customer does not want the expense
of managing view?
A. Star schema
B. Snowflake schema
C. Third normal form schema
D. OLAP
Answer: A
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Question: 7
Which feature would enable higher availability during maintenance operations while also
improving query response performance?
A. Partitioning
B. Materialized views
C. Bitmap Indexing
D. OLAP
Answer: A
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