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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Click the Exhibit button.

These three Sequential Files shown in the exhibit need to be joined. Join_1 is on Columns CustID and OrderID. Join_2 is on CustID and LocationID. What is the most efficient hash partitioning strategy for each link?

A) For LinkA Hash Partition on CustID, OrderID and LocationID; For LinkB Hash Partition on CustID, OrderID and LocationID; For LinkC Hash Partition on CustID, OrderID and LocationID; For LinkD Hash Partition on CustID, OrderID and LocationI
B) For LinkA Hash Partition on CustID;
For LinkB Hash Partition on CustID;
For LinkC Same Partition;
For LinkD Hash Partition on CustID.
C) For LinkA Hash Partition on OrderID and CustID; For LinkB Hash Partition on OrderID and CustID; For LinkC Hash Partition on LocationID and CustID; For LinkD Hash Partition on LocationID and CustID.
D) For LinkA Hash Partition on CustID and OrderID; For LinkB Hash Partition on CustID and OrderID; For LinkC Hash Partition on CustID and LocationID; For LinkD Hash Partition on CustID and LocationID.

2. You have a dataset hash-partitioned and sorted on CustID. You need to create a Sequential File sorted on CustID from this dataset. Which technique is the most appropriate?

A) Use SortMerge collector for the Sequential File input link.
B) Use Copy stage.
C) Insert Sort stage before the final Sequential File stage and use Round Robin collector for the Sequential File stage input link.
D) Insert Sort stage before the final Sequential File stage and use Ordered collector for the Sequential File stage input link.

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

4. Which two statements are true about DataStage parallel routines? (Choose two.)

A) Parallel routines can be written that are called from within the Transformer stage.
B) Parallel routines are coded within a DataStage Designer editor.
C) Parallel routines created as shared library functions are not supported.
D) Parallel routines can be written that are called before or after a stage runs.
E) Parallel routines are written in DataStage Basic.

5. In which two operations can you create DataStage projects? (Choose two.)

A) When adding new projects from DataStage Administrator.
B) When creating a project in the IBM Information Server Console.
C) When exporting and importing a DataStage project from DataStage Director.
D) During DataStage installation.

Solutions: