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IBM InfoSphere DataStage v9.1 Sample Questions:

1. The parallel framework was extended for real-time applications. Identify two of these aspects. (Choose two.)

A) End-of-wave.
B) XML stage.
C) Real-time stage types that re-run jobs.
D) Support for transactions within source database connector stages.
E) Real-time stage types that keep jobs always up and running.

2. What two project environment variables can be considered in your parallel jobs to support your optimization strategy of partitioning and sorting? (Choose two.)

A) $APT_NO_PART_INSERTION
B) $APT_PARTITION_FLUSH_COUNT
C) $APT_TSORT_STRESS_BLOCKSIZE
D) $APT_OPT_SORT_INSERTION
E) $APT_RESTRICT_SORT_USAGE

3. 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_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".
C) 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".
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".

4. You are asked by management to document all jobs written to make future maintenance easier. Which statement is true about annotations?

A) The Description Annotation stage contains both the short and full descriptions for the job.
B) The background for the Description Annotation stage can be changed for each unique stage.
C) The short job description can be identified within the Description Annotation stage.
D) The Description Annotation stage can be added several times at different locations to identify business logic.

5. Which derivations are executed last in the Transformer stage?

A) Output column derivations
B) Loop variable derivations
C) Stage variable derivations
D) Input column derivations

Solutions: