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IBM Websphere Datastage V.8.0 Sample Questions:

1. Click the Exhibit button.
In the exhibit, how many parallel partitions will each DataStage operator run without specifying a "node pool and resource constraint" or actual "node constraint"?

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

2. A customer wants to select the entire order details for the largest transaction for each of 2 million unique customers from a 20 million row DB2 source table containing order history. Which parallel job design would satisfy this functional requirement?

A) Partition and Sort the input to a Remove Duplicates stage using the customer key and transaction amount columns. Remove duplicates on customer key.
B) Partition on customer key, sort on customer key and transaction amount, Remove duplicates on customer key.
C) Partition and Sort the input to a Filter stage by customer number. Filter with the clause "MAX(transaction_amount)".
D) Use a Sort Aggregator stage with a calculated column based on the maximum value of the transaction amount column.

3. Click the Exhibit button.
In the exhibit, data is being read from a Sequential File stage (Read_Selling_Group_Mapping) and written to a target Data Set stage (Write_Selling_Group_Mapping_Copy). All columns are being mapped source to target in the Copy stage. After the job is executed using a 2-node configuration file, you notice that the Data Set has only one partition. What are two actions that can be done to this job to ensure Data Set has two partitions? (Choose two.)

A) Enable Runtime Column Propagation (RCP) and set "Force" option in the Copy stage to "TRUE".
B) Enable Runtime Column Propagation (RCP) and set "Force" option in the Copy stage to "FALSE".
C) Disable Runtime Column Propagation (RCP) and set "Force" option in the Data Set stage to "TRUE".
D) Disable Runtime Column Propagation (RCP) and set "Force" option in the Copy stage to "TRUE".

4. Your customer requires you to read a delimited sequential file. Which property would you select to enable parallel reading of a delimited sequential file?

A) Round Robin
B) External Source
C) Multiple readers per node
D) Read from multiple nodes

5. Which two environment variables should be set to "True" to allow you to see operator process statistics at run-time in the job log? (Choose two.)

A) $APT_PM_PLAYER_TIMING
B) $APT_PM_PLAYER_MEMORY
C) $OSH_DUMP
D) $APT_PM_PLAYER_STATISTICS

Solutions: