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IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:

1. How is DataStage table metadata shared among DataStage projects?

A) Use the "Shared Table Creation Wizard" to place the table in the shared repository.
B) Use the InfoSphere Metadata Asset Manager (IMAM) to move the DataStage table definition to the projects where it is needed.
C) Import another copy of the table metadata into the project where it is required.
D) Export DataStage table definitions from one project and importing them into another project.

2. You are asked to optimize the fork join job design in the exhibit. This job uses the sort aggregator and a left outer join on the ZIP code column. Currently all partitioning is set to "Auto" and automatic sort insertion is allowed.

Which change will reduce the cost of partitioning that occurs in this job?

A) Hash partition and sort on ZIP code column on the input links to the Aggregator and Join stages.
B) Hash partition and sort on ZIP code column prior to the Copy stage and use entire partitioning on the Aggregator and Join stages.
C) Use Entire partitioning on the input links to the Aggregator and Join stages.
D) Hash partition and sort on ZIP code column prior to the Copy stage, and use same partitioning on the Aggregator and Join stages.

3. In your job you are using a Sequential File stage as a source. You have decided to use a schema file as an alternative way of specifying column definitions and record format properties. What two items are true in configuring this stage in your parallel job? (Choose two.)

A) Enable Run Time Schema propagation.
B) Configure the column tab with one column named 'Input'.
C) Enable Run Time Column propagation.
D) Configure the Schema File property with the path of the schema file definition.
E) Configure the APT_SEQFILE_HASSCHEMA property with the schema file path.

4. The Score is divided into which two sections? (Choose two.)

A) Stages
B) Operators
C) File sets
D) Schemas
E) Data sets

5. Which stage classifies data rows from a single input into groups and computes totals?

A) Aggregator stage
B) Transformer stage
C) Modify stage
D) Compare stage

Solutions: