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IBM InfoSphere DataStage v8.5 Sample Questions:

1. 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 Ordered collector for the Sequential File stage input link.
D) Insert Sort stage before the final Sequential File stage and use Round Robin collector for the Sequential File stage input link.

2. Your job design calls for using a target ODBC Connector stage. The target database is found on a remote server. The target table you are writing into contains a single column primary key. What are the three "Write mode" properties that allow the possibility of multiple SQL actions? (Choose three.)

A) Delete then insert
B) Insert then update
C) Join then update
D) Truncate then add
E) Update then insert

3. There is a requirement to load mainframe data with array columns having redefined fields into a flat file. How can the Complex Flat File

A) Select the Records ID tab on the Stage page. Select a record from the Records list. Select the column(s) with the redefine from the Column list. Within CFF, use the Complex File Load Option window with "Flatten selective arrays" option selected.
B) Within CFF, use the Complex File Load Option window with "Flatten all arrays" option selected. CFF will handle flattening automatically.
C) Within CFF, use the Complex File Load Option window with "Flatten selective arrays" option selected. Select the array with redefine column(s) and click redefine check box option.
D) CFF does not support flattening for redefined fields.

4. Which three attributes are found for each segment in a Data Set descriptor file? (Select three)

A) Schema of Data Set.
B) Copy of the configuration file used when segment was created.
C) Statistical information such as number of records in the segment and number of bytes.
D) Flag marking segment as valid or invalid.
E) Path names of all data files on all processing nodes.

5. The result of a performance review for one of your job designs indicated this job needs to be split into two separate jobs. You also have been given the requirement to ensure you maintain parallelism (no re-partitioning) between these two new jobs.
Which single stage should you consider to accomplish maintaining parallelism and not introduce re-partitioning between these related jobs?

A) Sequential File stage
B) Data Set stage
C) Copy stage
D) Named Pipe stage

Solutions: