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IBM InfoSphere DataStage v8.5 Sample Questions:

1. How is Runtime Column Propagation (RCP) enabled for use in DataStage Jobs?

A) Use the DataStage Administrator to enable RCP for the project.
B) Use RCP definition wizard to initialize RCP for project use.
C) Set the APT_ENABLE_RCP environment variable to TRUE.
D) Use the Info Server web console to enable RCP
E) RCP is by default available for all DataStage Projects.

2. Which two statements are accurate regarding usage of database stages? (Choose two.)

A) Database stages cannot create tables and must be done externally.
B) Native database stages match columns by name.
C) DataStage provides native Oracle database stages.
D) Plug-in stages match columns by name.

3. A scenario requires selecting only the most recent transactions for each of 2 million unique customers, from a 20 million row DB2 source table containing order history. Which parallel job design would satisfy this functional requirement?

A) Select all rows using the ODBC Connector stage, use a Sort Aggregator on customer number key to select the maximum order date.
B) Using the DB2 API stage, select all rows. Use a Sort stage with customer number and order date sort keys in ascending order, then Remove Duplicates with Last Duplicate to retain.
C) Using the Dynamic Relational stage, use custom SQL to select all DISTINCT customer numbers from the order history table.
D) Using the DB2 Enterprise stage, select all rows. Perform a unique Sort using customer number and order date sort keys in ascending order.

4. The result of a performance review for one of your job designs indicated this job needs to be split into two separate jobs. You also have been given the requirement to ensure you maintain parallelism (no re-partitioning) between these two new jobs.
Which single stage should you consider to accomplish maintaining parallelism and not introduce re-partitioning between these related jobs?

A) Data Set stage
B) Named Pipe stage
C) Copy stage
D) Sequential File stage

5. You are given a job requirement that requires calculations based on the latest currency exchange rate. You decide to invoke a Web service to obtain the latest exchange rate.
What are two ways that you can perform a Web service invocation in a DataStage job to obtain the latest exchange rate? (Select two)

A) Use WISD Input stage.
B) Use Web Services Transformer stage.
C) Use Web Services Client stage as a lookup.
D) Call a Web Service using a DSRoutine inside the Parallel Transformer stage.

Solutions: