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IBM InfoSphere DataStage v8.5 Sample Questions:

1. What conditions are necessary for a master record and an update record to merge?

A) some of the columns in the input record match the columns in the update record
B) both records have the same values for the merge key column(s) that you specify
C) all of the columns in the input record match the columns in the update record
D) none of the columns in the input record match the columns in the update record

2. Which two properties can be set to read a fixed width sequential file in parallel? (Choose two.)

A) Set the "Number of Readers Per Node" optional property to a value greater than 1.
B) Set Read Method to "File Pattern".
C) Set the "Read from Multiple Nodes" optional property to a value greater than 1.
D) Set the Execution mode to "Parallel".

3. Which three environment variables are used for reporting on DataStage jobs? (Select three)

A) $APT_DUMP_SCORE
B) $OSH_PRINT_SCHEMAS
C) $APT_PM_PLAYER_MEMORY
D) $APT_DISABLE_ROOT_FORKJOIN
E) $APT_PM_STARTUP_CONCURRENCY

4. In which two situations is it appropriate to use a Sparse Lookup? (Choose two.)

A) When the output of the Lookup stage needs to be hashed partitioned.
B) When invoking a stored procedure within a database per row in the streaming link.
C) When accessing DB2 data using the DB2 API stage.
D) When reference data is significantly larger than the streaming data (100:1).

5. Which two statements are correct when referring to an Aggregator Stage? (Choose two.)

A) Use Hash method with a large number of distinct key-column values
B) Use Sort method for a limited number of distinct key values
C) Use Sort method with a large number of distinct key-column values
D) Use Hash method for a limited number of distinct key values

Solutions: