IBM IBM certifications I C2090-719

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IBM InfoSphere Warehouse V9.5 Sample Questions:

1. You work for an automobile manufacturing company and have been asked to use data mining to determine which part is most likely to fail after a certain amount of time on a particular vehicle model. You have gathered repair history. Which mining method should be used?

A) classification prediction
B) regression prediction
C) sequences
D) associations

2. You have an application in production. You have changed one of the control flows in the application and now need to deploy the changes. What are the required steps to do the deployment?

A) Package the changed control flow for the application; proceed as if this were the first deployment of the application.
B) Package all control flows within the application; proceed as if this were the first deployment of the application.
C) Suspend all schedules for the application; redeploy the entire application over the existing application.
D) Package the changed control flow for the application; suspend all schedules for processes of the application; deploy changes and enable.

3. When using the Design Studio to define hierarchies for a cube model, you specify the hierarchy type and deployment method. If you were to specify a hierarchy type of
"balanced" and a deployment of "standard", what would that imply?

A) The levels in the hierarchy have a consistent parent-child relationship and levels are logically inconsistent. The data used to define the members of ALL of the levels for a specific branch of the hierarchy is found in a single row in the dimension table.
B) The levels in the hierarchy have a consistent parent-child relationship and levels are logically inconsistent. The data used to define EACH level for a specific branch of the hierarchy is found in a single row in the dimension table.
C) The levels in the hierarchy have associated meaning, branches have consistent depth andtheparent of any member is found in the level above. The data used to define the members of ALL of the levels for a specific branch of the hierarchy is found in a single row in the dimension table.
D) The levels in the hierarchy have associated meaning, branches have consistent depth and the parent of any member is found in the level above. The data used to define EACH level for a specific branch of the hierarchy is found in a single row in the dimension table.

4. A customer is having performance issues with a query against a cube they built using Cube Services. Examination of EXPLAIN output determines that the query did not usethe MQTs (summary tables). Which situation would cause the Optimizer to bypass the MQTs?

A) The query contains measures which are not included in the cube model but can be calculated from the data in the rows.
B) The query contains functions on the attributes contained in the cube.
C) The query accesses data that is above the cube slice in the summary table.
D) The query accesses data that is below the cube slice in the summary table.

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

Solutions:

Question # 1 Answer: C

Question # 2 Answer: D

Question # 3 Answer: C

Question # 4 Answer: D

Question # 5 Answer: B