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IBM InfoSphere Warehouse V9.5 Sample Questions:

1. Several operators are defined and linked together in DataFlow1. Another set of operators make up DataFlow2. A control flow is defined and both DataFlow1 and DataFlow2 areused.
You require that DataFlow1 dynamically change the variable values used in DataFlow2.
How can you fulfill this requirement?

A) The inherent design of the SQL Warehouse Tool is that any variable value changed in one data flow is accessible by any other data flow as long as the data flows are defined in the same warehouse project.
B) Using the File Export operator, DataFlow1 writes a file that contains updated variable values. DataFlow2 accesses those updated variable values by reading that same file using an Import File operator.
C) When a control flow is executed, a run profile provides the initial values for all variables.
Once those values are set in the run profile, they are in affect for the entire execution of the control flow.
D) Using the File Export operator, DataFlow1 writes a file, containing updated variable values. A variable assignment operator is then used to assign the values in the file to the appropriate variables. DataFlow2 then has access to the updated variable values.

2. As a system administrator, you have defined a cube server, specifying that all cubes are to start automatically, and added a cube to that server. You created a script to start the cube server from the command line. Wanting to make sure that your users have good performance, you want the members of your cube to be cached prior to the first user's access of the cube. What will allow you to accomplish this?

A) Just execute the cube server startup script.
B) Use the Admin Console and specify the execution of an MDX seed query when the cube starts.
C) Use the Admin Console and specify the execution of a member seed query when the cube starts.
D) Add to the cube server startup script a member seed query for the cube.

3. What are two primary goals of denormalization? (Choose two.)

A) to increase the number of tables in the model
B) to allow for data compression
C) to improve performance of a system
D) to decrease the redundancy of data within a database
E) to simplify the querying of the database

4. When connecting an Output Port of a Table Source to the Names Port of a Sequences Operator, what are two valid methods of mapping columns? (Choose two.)

A) by Attribute
B) by Key
C) by Position
D) by Index
E) by Name

5. The administrator has created a data flow that contains a fact table to a dimension table join. Which operators will allow for inserting the output into a permanent database table?

A) Add a Data Station operator and select create suitable table on the output port.
B) Add a File Export operator and write the data to a file; add a Table Target to load the exported data.
C) Add a Table Target operator and give the target a table name for output.
D) Add a Custom SQL operator and a Table Target operator and connect the output of the Custom SQL to the input of the Table Target.

Solutions: