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IBM InfoSphere DataStage v9.1 Sample Questions:

1. A job using a one-node configuration file writes to a target Sequential File stage. The target Sequential File stage has been set to write to three different sequential files. How many instances of the Sequential File stage will run in parallel?

A) One.
B) Two.
C) The job will abort, because a configuration file with at least three nodes is required.
D) Three.

2. What stage allows for more than one reject link?

A) Lookup stage
B) Funnel stage
C) Join stage
D) Merge stage

3. A 100MB input dataset has even distribution across 400 unique key values. When you run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Choose two.)

A) Convert all numeric fields to varchars.
B) Alter the Sort stage properties to perform a stable sort.
C) Specify Round Robin partitioning on the input link to the Sort stage.
D) Set $APT_TSORT_STRESS_BLOCKSIZE to 50M
E) Specify "Restrict Memory Usage" to 60MB on the Sort stage properties.

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

A) Sorted by Join key
B) Hash partitioned
C) Entire partitioned
D) Key partitioned
E) Unsorted

5. Which statement is true about creating DataStage projects?

A) After installation DataStage projects can be created in DataStage Administrator.
B) DataStage projects cannot be created during DataStage installation.
C) After installation DataStage projects can be created in the Information Server Web Console.
D) After installation only DataStage developers can create DataStage projects.

Solutions: