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IBM Websphere Datastage V.8.0 Sample Questions:

1. You are tasked with determining the cause of a job that fails to scale beyond 3 nodes. Based on the job design, you suspect that the problem is related to highly un-even data distribution across partitions. Which two product features would help you confirm this hypothesis? (Choose two.)

A) Enable Job Trace in the Designer Client
B) $APT_RECORD_COUNTS
C) Job Monitor Tool in the Director Client
D) $APT_PM_SHOW_PARTITION_COUNTS

2. Click the Exhibit button.
A parallel job is designed to Join data from two existing persisted data sets that were created in sort order using the join keys. You have optimized the job to leverage the existing sort order instead of resorting. Using the job score fragment shown in the exhibit for this job, how would you verify that this job is optimizing the sort operation?

A) The job is not optimized because the sort is inserted after the RemDup operator.
B) The job is not optimized; there are inserted tsort operators.
C) This cannot be verified from the job score. You must set the environment variable $DS_PX_DEBUG and verify the captured files.
D) The subargs property indicates that the sort is only checking sort order.

3. You have created a parallel job in which there are several stages that you want to be able to reuse in other jobs. You decided to create a parallel shared container from these stages. Identify two things that are true about this shared container. (Choose two.)

A) It can be used in Transformer stage derivations.
B) It can take advantage of Run Time Column Propagation (RCP).
C) It can be used in sequencer jobs.
D) It can have job parameters to resolve stage property values.

4. 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? (Choose two.)

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

5. Which two statements are true for named node pools? (Choose two.)

A) Using appropriately named node pools forces DataStage to use named pipes between stages.
B) Using appropriately named node pools is only available in clustered environments.
C) Using appropriately named node pools constraints will limit stages to be executed only on the nodes defined in the node pools.
D) Using appropriately named node pools can allow separation of buffering from sorting disks.

Solutions: