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IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:

1. The data going into the target Sequential File stage is sorted in each partition by the Date field. You want the data in the sequential file to be sorted by Date. Which collection algorithm should you choose in the Sequential File stage?

A) Ordered
B) Sort Merge
C) Round Robin
D) Auto

2. You are experiencing performance issues for a given job. You are assigned the task of understanding what is happening at run time for that job. What step should you take to understand the job performance issues?

A) Run the job with $APT_DUMP_SCORE set to true.
B) Replace Transformer stages with custom operators.
C) Run the job with $APT_TRACE_RUN set to true.
D) Replace Join stages by Lookup stages.

3. What two Information Server tools can be used to create deployment packages for DataStage jobs? (Choose two.)

A) Information Server Manager
B) istool
C) Information Server Web Console - Administration tab
D) Information Server Console
E) InfoSphere Metadata Assset Manager

4. Which job design technique can be used to give unique names to sequential output files that are used in multi-instance jobs?

A) Generate unique file names by using a macro.
B) Use parameters to identify file names.
C) Use a Transformer stage variable to generate the name.
D) Use DSJoblnvocationID to generate a unique filename.

5. Which two statements about the Additional Connections Options property in the Teradata Connector stage to specify details about the number of connections to Teradata are true? (Choose two.)

A) The default for requestedsessions is the minimum number of available sessions.
B) Total requested sessions equals sessions per player multiplied by number of nodes multiplied by players per node. The default value is 4.
C) Requestedsessions is a number between 1 and the number of vprocs in the operating system.
D) The default for requestedsessions is the maximum number of available sessions.
E) Sessionsperplayer determines the number of connections each player in the job has to Teradata.

Solutions: