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IBM InfoSphere DataStage v8.5 Sample Questions:

1. A job needs to split a single Data Set into three Data Sets based on conditions that are supplied at runtime. Which stage would allow you to parameterize the conditions for splitting the input data set?

A) Switch stage
B) Split Vector stage
C) Filter stage
D) Transformer stage

2. You are processing groups of rows in a Transformer. The first row in each group contains "1" in the Flag column and "0" in the remaining rows of the group. At the end of each group you want to sum and output the QTY column values. Which three techniques will enable you to retrieve the sum of the last group? (Choose three.)

A) Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column.
B) Output a running total for each group for each row. Follow the Transformer stage by an Aggregator stage. Take the MAX of the QTY column for each group.
C) Output the sum that you generated each time you process a row for which the LastRow() function returns True.
D) Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column. Use the LastRow() function to determine when the last group is done.
E) Within each group sort the Flag column in ascending order. Output the sum each time you process the row with a "1" in the Flag column.

3. Which statement is true about buffering?

A) In a clustered environment, using a disk space on an NFS mount for buffering improves performance.
B) The "buffer" scratch disk pool needs to be defined to allow the framework to perform data buffering.
C) The buffer operator uses both memory and disk storage.
D) The framework uses /tmp by default for buffering on Unix systems.

4. Your customer is using Source Code Control Integration for Information server and have tagged artifacts for version 1. You must create a deployment package from the version 1.
Before you create the package you will have to ensure the project is up to date with version 1.
What two things must you do to update the meta-data repository with the artifacts tagged as version 1? (Select two)

A) Right-click the asset and click the Team Import command.
B) Right-click the asset and click Replace From Source Control Workspace.
C) Right-click the asset and click the Deploy command.
D) Right-click the asset and click the Team command to update the Source Control Workspace with the asset.

5. Click the Exhibit button.

The job in the exhibit runs to successful completion with no warnings. However, a validation test identifies that the CUSTOMER_MASTER table is empty. You suspect the cause to be related to the NEW_CUSTOMERS table or a defect in the job. Examining runtime meta-data will help you track down the problem. Which two product features will help you isolate the cause of the problem? (Choose two.)

A) $APT_PM_PLAYER_STATS
B) Job Monitor Tool in the Director Client
C) Show Performance Statistics in the Designer.
D) Use job run operational meta-data reports from IS Manager.

Solutions: