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IBM InfoSphere DataStage v8.5 Sample Questions:

1. In the job fragment shown in the exhibit, the data going into the target Sequential File stage needs to be sorted by postal code. The Sort stage accomplishes this by running in Sequential mode and sorting by postal code. You have been asked to improve the performance of the job with a 4-node configuration file.

Which two changes will improve the performance of the job? (Choose two.)

A) Move the Sort stage in front of the Filter stage, so that the sort is performed earlier in the job.
B) Add a second Sort stage just before the existing Sort stage; run the new stage in parallel mode sorting by postal code.
C) Change the mode of the existing Sort stage to parallel mode; continue to sort by postal code. In the target Sequential File stage choose the SortMerge collector.
D) Eliminate the existing Sort stage; define an in-stage sort in the Filter stage, sorting by postal code. In the target Sequential File stage choose the SortMerge collector.

2. You are connected to a domain and must configure it for Source Code Integration.
What are the two things that must be done to associate your DataStage repository with a source control system? (Select two)

A) From Information Server Manager choose Team Import.
B) From Designer Client choose Team Share Project.
C) From Information Server Manager choose Team Share Project.
D) Create a source code control project with the same name as the domain. Choose Integrate Source Control.

3. In the job fragment shown in the exhibit, there are two Sort stages: the first (Sort1) sorts the data by state, the second (Sort2) sorts the data by state and area, No repartitioning occurs between the stages.
You have been asked to reduce the number of sorts to improve the performance of the job.

Which two ways might be used to accomplish this without changing how the job functions? (Select two)

A) Remove the first Sort stage. Retain the existing sort keys in the second Sort stage.
B) In the second Sort stage change the Sort Mode property of the state column to "Don't sort, previously sorted.".
C) In the second Sort stage change the Sort Mode property of the area column to "Don't sort, previously sorted.".
D) Remove the second Sort stage. Add area as an additional sort key.

4. Click on the Exhibit button.

Using this report, how many processes and on how many nodes does this score depict?

A) 3 processes on 2 nodes
B) 3 processes on 3 nodes
C) 2 processes on 2 nodes
D) 2 processes on 3 nodes

5. How is DataStage Table Metadata shared among DataStage projects?

A) Use the "Shared Table Creation Wizard" to create a copy of the table in the shared repository.
B) DataStage Tables cannot be shared between projects.
C) Export DataStage Table Definitions from one project and importing them into another project.
D) Use the Import/Export Manager to move the DataStage Table Definition to the projects where it is needed.
E) Import another copy of the table metadata into the project where it is required.

Solutions: