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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. What are two advantages of using Runtime Column Propagation (RCP)? (Choose two.)

A) Columns not specifically used in the flow are propagated as if they were.
B) Sequential files don't require schema files when using RCP.
C) Only columns that are defined as VarChar need RCP enabled.
D) Only columns used in the data flow need to be defined.
E) RCP is not a feature of DataStage.

2. Which two features of Data Sets make them suitable for job restart points? (Choose two.)

A) They use the same data types as the parallel framework.
B) They are persistent.
C) They are indexed to improve access.
D) They are compressed to minimize storage space.

3. You are asked to convert a relational source, as shown in the exhibit, into three separate XML files. How would you accomplish this task?

A) Set "Output mode" setting "Segregate" on column "Customer ID" under "Transformation Settings" of the Output link of an XML Output stage.
B) Set "Output mode" setting "Single row" under "Transformation Settings" of the Output link of an XML Output stage.
C) Set "Output mode" setting "Break" on column "Customer ID" under "Transformation Settings" of the Output link of an XML Output stage.
D) Set "Output mode" setting" Split rows" under "Transformation Settings" of the Output link of an XML Output stage.

4. Refer to the exhibit.

You submit a job from DataStage Director and then log onto your DataStage Linux server to issue the command "ps-ef | grepds" and receive the following screen:
Which process is the section leader for node2?

A) 7220
B) 7216
C) 7219
D) 7221

5. You are setting up the parallel engine configuration file. Which two statements are true about file system efficiency? (Select two)

A) In a clustered environment where NAS is used for a common storage, specify the internal disk for scratch disk.
B) Creating scratch disk space on an internal disk improves sort performance than NFS drive.
C) Specify a directory for the resource disk in the partition where the engine is installed.
D) Using multiple scratch spaces in a logical node improves performance.

Solutions: