IBM A2090-421 Exam Questions : Assessment: InfoSphere DataStage v8.5

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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which of the following describes a type two update in a Slowly Changing Dimensions (SCD) stage?

A) An update that retains the existing column value in a list and adds the new value to the list.
B) An update the retains the existing column value in an historical row and creates a new row with the new value.
C) An update that replaces the existing column value if a specified condition is satisfied.
D) An update that overwrites the existing column value.

2. Which two statements are true for named node pools? (Select two)

A) Using appropriately named node pools force DataStage jobs to use named pipes between stages.
B) Using appropriately named node pool constraints limit stages to be executed only on the nodes defined in the node pools.
C) Using appropriately named node pools is only available in clustered environments.
D) Named node pools are required for DataStage jobs to scale across multiple machines on a grid or cluster.
E) Using appropriately named node pools allow the separation of buffering from sorting disks.

3. How are Host Systems added to the Shared Metadata repository? (Select two)

A) Select Repository > Metadata Sharing > Management from the main menu to open the Shared Metadata Management tool
B) Use the shared table creation wizard from the DataStage client to add a new Host System.
C) Use the DataStage Administrator application to import new Host Systems.
D) Use the Import/Export Manager when importing shared metadata.

4. The DB2 and Oracle Enterprise stages support logged and non-logged DBMS table operations. What is the non-logged operation that is supported by the DB2 and Oracle Enterprise stages?

A) Update
B) Insert
C) Delete
D) Load

5. You set environment variable $APT_ORACLE_LOAD_OPTIONS=PTIONS(DIRECT=TRUE, PARALLEL=TRUE)?for loading index organized tables.You set environment variable $APT_ORACLE_LOAD_OPTIONS=?PTIONS(DIRECT=TRUE, PARALLEL=TRUE)?for loading index organized tables. Which statement is accurate regarding the resulting effect of this environment variable setting?

A) The Oracle database stage will run in parallel using conventional path mode.
B) Oracle load will fail when executed.
C) The Oracle load will run in parallel using simple direct path mode.
D) Oracle load will run in parallel and bypass DataStage Director.

Solutions: