IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment : A2090-303

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

1. Identify two items that are created as a result of running a Balanced Optimization on a job that accesses a Hadoop distributed file system as a source? (Choose two.)

A) A JAQL stage is found in the optimized job result.
B) A MapReduce Transformer stage is found in the optimized job result.
C) A Balanced Optimization parameter set is found in the project
D) A Balanced Optimization Shared Container is found in the project.
E) A Big Data File stage is found in the optimized job results.

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

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

3. Two new columns have been deleted from a sequential file that a number of DataStage jobs write to. You have imported a table definition for the changed file. How can you determine what jobs might be affected by this change?

A) Select the new table definition, right-click, then click on the Where used command.
B) Select the original table definition, right-click, then click on the Find dependencies command.
C) Select the new table definition, right-click, click on the Compare against command, then select original table definition.
D) Select the original table definition, right-click, then click on the Where used command.

4. Rows of data going into a Transformer stage are sorted and hash partitioned by the Input.Product column. Using stage variables, how can you determine when a new row is the first of a new group of Product rows?

A) Create a stage variable named sv_Product and follow it by a second stage variable named
sv_IsNewProduct. Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product <> sv_Product THEN "YES"
ELSE "NO".
B) Create a stage variable named sv_Product and follow it by a second stage variable named
sv_IsNewProduct. Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product = sv_Product THEN "YES"
ELSE "NO".
C) Create a stage variable named sv_IsNewProduct and follow it by a second stage variable
named sv_Product. Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product = sv_Product THEN "YES"
ELSE "NO".
D) Create a stage variable named sv_IsNewProduct and follow it by a second stage variable
named sv_Product. Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product <> sv_Product THEN "YES"
ELSE "NO".

5. Which two file stages allow you to configure rejecting data to a reject link? (Choose two.)

A) Big Data File Stage
B) Compare Stage
C) Complex Flat File Stage
D) Lookup File Set Stage
E) Data Set Stage

Solutions: