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IBM InfoSphere DataStage v8.5 Sample Questions:

1. Click on the Exhibit button.

Provided you have enough system resources, what is the maximum number of jobs that could be running concurrently in this image?

A) 4
B) 5
C) 3
D) 2

2. A star schema data warehouse consists of four dimension tables and one fact table. How many Slowly Changing Dimensions (SCD) stages will you need in your jobs to update the star schema tables?

A) two
B) three
C) five
D) four

3. Which two steps are required to change from a normal lookup to a sparse lookup in an ODBC Enterprise stage? (Choose two.)

A) Replace columns at the beginning of a SELECT statement with a wildcard asterisk (*).
B) Establish a relationship between the key field column in the source stage with the database table field.
C) Change the lookup option in the stage properties to "Sparse".
D) Sort the data on the reference link.

4. How is DataStage Table Metadata shared among DataStage projects?

A) DataStage Tables cannot be shared between projects.
B) Import another copy of the table metadata into the project where it is required.
C) Use the Import/Export Manager to move the DataStage Table Definition to the projects where it is needed.
D) Use the "Shared Table Creation Wizard" to create a copy of the table in the shared repository.
E) Export DataStage Table Definitions from one project and importing them into another project.

5. 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_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".
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_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".

Solutions: