IBM Assessment: InfoSphere DataStage v8.5 認定 A2090-421 試験問題:

1. How are Host Systems added to the Shared Metadata repository? (Select two)

A) Use the shared table creation wizard from the DataStage client to add a new Host System.
B) Use the Import/Export Manager when importing shared metadata.
C) Use the DataStage Administrator application to import new Host Systems.
D) Select Repository > Metadata Sharing > Management from the main menu to open the Shared Metadata Management tool

2. How must the input data set be organized for input into the join stage? (Choose two.)

A) Hash partitioned
B) Entire partitioned
C) Unsorted
D) Key partitioned
E) Sorted in ascending order

3. What are three valid join operations for the Join stage? (Choose three.)

A) Top outer join
B) Bottom inner join
C) Right outer join
D) Left outer join
E) Inner Join

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

5. Which two statements are true about Transformer loop processing? (Select two)

A) Loop variable expressions are executed before stage variable expressions.
B) Stage variables can be referenced in loop conditions.
C) Loop variable expressions are executed before output link column expressions.
D) Loop conditions are evaluated once for each input row.

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