IBM : C2090-421 Questions & Answers

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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. You have a parallel shared container that is used by other parallel jobs within your project. Part of the logic in this shared container has been changed. Which two statements are true regarding this change to the parallel shared container? (Choose two.)

A) Use usage analysis and multi-compile to re-compile job using this shared container.
B) You can create a sequencer to re-compile all of the routines using this shared container.
C) Jobs using this parallel shared container need to be re-compiled.
D) Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed.

2. You are asked to convert a relational source, as shown in the exhibit, into three separate XML files. How would you accomplish this task?

A) Set "Output mode" setting "Segregate" on column "Customer ID" under "Transformation Settings" of the Output link of an XML Output stage.
B) Set "Output mode" setting "Break" on column "Customer ID" under "Transformation Settings" of the Output link of an XML Output stage.
C) Set "Output mode" setting "Single row" under "Transformation Settings" of the Output link of an XML Output stage.
D) Set "Output mode" setting" Split rows" under "Transformation Settings" of the Output link of an XML Output stage.

3. You are setting up user roles on Information Server Web console. Which two roles are required to allow a user to edit DataStage jobs? (Select two)

A) DataStage Developer
B) Suite User role
C) DataStage super operator
D) Information Analyzer Data Administrator

4. Which two tasks can the Slowly Changing Dimensions (SCD) stage perform? (Choose two.)

A) Look up whether a record with a matching business key value exists in a dimension table. If it does, add new values for selected fields to values lists for those fields.
B) Look up whether a record with a matching business key value exists in a dimension table. If it does, mark the record as not-current, and generate a new record with new values for selected fields.
C) Look up whether a record with a matching business key value exists in a dimension table. If it does not, retrieve a new surrogate key value and insert a new row into the dimension table.
D) Look up whether a record with a matching business key value exists in a fact table. If it does not, retrieve a new surrogate key value and insert a new row into the fact table.

5. Your job is using the DB2 Enterprise stage as a target. In this job you are inserting data into a single existing table on a remote database. You are using Run-Time Column Propagation (RCP) on all of the links.
Which two job design configuration actions would you consider to effectively use RCP? (Select two)

A) In the DB2 Enterprise stage use Connection properties to manage column mappings.
B) In the DB2 Enterprise stage set the option named "Silently Drop Columns Not in Table" to "True".
C) Use a Modify stage prior to the DB2 Enterprise stage in order to drop the columns not found in the table.
D) Use DB2 partitioning properties on the input link to the DB2 Enterprise stage to control column layout in partitions.

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