IBM InfoSphere DataStage v8.5 : C2090-421 Exam

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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

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

2. What is the correct restructure stage to extract data from four input columns (three of which carry vectors) and output them into two columns with one vectors in a subrecord and the non-vector carrying column being passed through the stage?

A) Column Import Stage
B) Split Subrecord Stage
C) Column Export Stage
D) Make Subrecord Stage

3. Click on the Exhibit button.

Which environment variable would provide this information?

A) APT_PM_PLAYER_TIMING
B) APT_SHOW_COMPONENT_CALLS
C) APT_STATUS
D) APT_DEBUG_PARTITION

4. Which two statements are true about the usage of scratch disk? (Choose two.)

A) You can define multiple scratch disk spaces to distribute disk I/O.
B) The parallel framework uses the disk space specified in the scratch disk setting to buffer virtual data set records.
C) The Sort stage always uses the scratch disk.
D) If "buffer" scratch disk pool is defined, the framework uses this disk pool and the default disk pool.

5. Which three statements are true about stage variables in a Transformer Stage? (Choose three.)

A) Stage variables can be set to NULL.
B) A stage variable in one Transformer can refer to a stage variable in another Transformer, as long as the second Transformer was processed earlier in the job flow.
C) Stage variables are refreshed with default values before each new input row is processed.
D) The expression executed for a stage variable can refer to a stage variable which is executed later.
E) Varchar stage variables can be initialized with spaces.

Solutions: