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1Z1-591 PDF DEMO:

QUESTION NO: 1
One benefit of adding a second table source that is joined to the first table source in the
Physical Layer by a foreign key relationship is that______.
A. A single SQL query is performed to get data from both tables
B. No SQL queries are performed against the source tables
C. Multiple SQL queries are performed
D. Two SQL queries are performed to get data from both tables
Answer: A
Explanation
A single query can be performed accessing data from both tables through a join on the columns in the foreign key relation.

QUESTION NO: 2
Which OBIEE capability enables developers to build Aggregate tables?
A. Query Analyzer
B. Aggregate Persistence Wizard
C. Expression Builder
D. Table Builder
Answer: B
Explanation
Aggregate Persistence Wizard automates the creation and initial population of aggregates, persists them in a back-end database and configures the BI Server metadata layer so that they're used when appropriate.

QUESTION NO: 3
What are the two leading design solutions recommended by Oracle that you would use for performance?
A. Design requests that use Complex Queries
B. Use Cache
C. Avoid using Guided Navigation unless the data set is large
D. Avoid returning big data sets within the Dashboard
Answer: B,D
Explanation
C: OBIEE Caching and Cache Seeding
Cache is a component that improves performance by transparently storing data such that future requests for the same criteria can be served much faster. Like other application cache is not virtual memory in OBIEE. In OBIEE cache will be stored as files on the Hard Disk of the OBIEE Server in the form of files. By Default caching is enabled in the OBIEE server configuration.
For time-consuming Dashboard Pages, we can use the concept of cache seeding in OBIEE, this can be configured as a scheduled job that will ensure that the data is cached and readily available as and when the user runs the dashboard.

QUESTION NO: 4
When creating a new dimensional hierarchy in the BI Administration tool, right click the dimension, then select "New Object" What must be selected next?
A. Dynamic Key
B. Logical Key
C. Parent Level
D. Child Level
Answer: C
Explanation
Steps to Create a Dimension Hierarchy - >Create a dimension object.Add a parent-level object.Add child-level objects.Determine number of elements.Specify level columns.Create level keys.Create a level-based measure.Create additional level-based measures.Create share measures.Create rank measures.Add measures to Presentation layer.Test share and rank measures.

QUESTION NO: 5
Which two steps are needed to set up Failover support for an OBIEE deployment?
A. Leverage spare hardware capacity of single machine by using Vertical scale out option
B. Use Installer to set up separate single instances, then apply Horizontal scale out clustering
C. Use Installer to affect Horizontal scale out of an existing instance
D. Apply OBIEE Clustering option
E. Employ WebLogic Enterprise Edition, licensed separately
Answer: C,D
Explanation
Horizonal Scaleout of System Components
* Used for adding additional managed servers (Java components) and
system components to an existing cluster
* Used for scalability and failover
* Set up via the Universal Installer > Scale Out BI System option

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Updated: May 26, 2022