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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which of the following describes what happens when Runtime Column Propagation is enabled?

A) An input column value flows into a target column only if it is explicitly mapped to it.
B) An input column value flows into a target column only if it matches it by name.
C) An input column value flows into a target column based on its position in a Schema file.
D) An input column value flows into a target column based on its position in the input row. For example, first column in the input row goes into the first target column.

2. What are two ways to specify a stylesheet in an XML input stage? (Choose two.)

A) On the output link columns properties tab, type the stylesheet in the XLST box.
B) On the output link advanced properties tab, type the stylesheet in the Stylesheet box.
C) On the output link columns properties tab, identify an input column that contains the stylesheet URL.
D) On the output link advanced properties tab, load the content or path of a stylesheet that is stored on the engine tier host.

3. What are two advantages of using Runtime Column Propagation (RCP)? (Choose two.)

A) Columns not specifically used in the flow are propagated as if they were.
B) Sequential files don't require schema files when using RCP.
C) RCP is not a feature of DataStage.
D) Only columns that are defined as VarChar need RCP enabled.
E) Only columns used in the data flow need to be defined.

4. Which two data repositories can you use for user authentication within the Information Server Suite? (Choose two.)

A) the IBM Metadata repository
B) the IBM Suite User Configuration file specified within the dsenv file
C) the IBM Information Server user directory
D) the local operating system directory

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_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_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".

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