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IBM InfoSphere DataStage v8.5 Sample Questions:

1. 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 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.
B) Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column.
C) 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.
D) 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.
E) Output the sum that you generated each time you process a row for which the LastRow() function returns True.

2. Which statement is true about the Web Services Pack?

A) Web Services Pack communicates by Enterprise Java Beans.
B) Web Services Pack makes a service request using SOAP.
C) Web Services Pack generates a WSDL.
D) Web Services Pack is configured from within the Information Services Director application.

3. Which three statements are true about stage variables in a Transformer Stage? (Choose three.)

A) A stage variable in one Transformer can refer to a stage variable in another Transformer, as long as the second Transformer was processed earlier in the job flow.
B) Varchar stage variables can be initialized with spaces.
C) Stage variables can be set to NULL.
D) The expression executed for a stage variable can refer to a stage variable which is executed later.
E) Stage variables are refreshed with default values before each new input row is processed.

4. You would like to pass values into parameters that will be used in a variety of downstream activity stages within a job sequence. What are three valid ways to do this? (Choose three.)

A) Use local parameters.
B) Check the "Propagate Parameters" checkbox in the Sequence Job properties.
C) Place a parameter set stage on the job sequence.
D) Use the UserVariablesActivity Stage to populate the local parameters from an outside source such as a file.
E) Use environment variables.

5. You have finished changes to many Jobs and Shared containers. You must export all of your changes and integrate them into a test project with other objects. What are two ways to select the objects you changed for the export? (Select two)

A) Using the advanced find dialog, specify in the last modified panel. the date range of the jobs and appropriate user name.
B) Select a folder in your repository tree, right click and choose "Objects that I last modified".
C) Sort the jobs by timestamp.
D) Use Multiple Job Compile to locate objects that need to be compiled.

Solutions: