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IBM InfoSphere DataStage v8.5 Sample Questions:

1. What stage allows for more than one reject link?

A) Merge stage
B) Peek stage
C) Funnel stage
D) Lookup stage
E) Join stage

2. A job reads from a sequential file using a SequentialFile stage with option "number of readers" set to 2. This data goes to a Transformer stage and then is written to a dataset using the DataSet stage. The default configuration file has three nodes. The environment variable $APT_DISABLE_COMBINATION is set to "True" and partitioning is set to "Auto". How many processes will be created?

A) 12
B) 9
C) 5
D) 7

3. To better understand the data flowing through a job, it is desirable to have structural information about the datasets captured in the job log. Which environment variable can provide this information?

A) $APT_NO_PART_INSERTION
B) $OSH_PRINT_SCHEMAS
C) $APT_PM_PLAYER_MEMORY
D) $OSH_STDOUT_MSG

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

A) The expression executed for a stage variable can refer to a stage variable which is executed later.
B) Stage variables can be set to NULL.
C) 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.
D) Varchar stage variables can be initialized with spaces.
E) Stage variables are refreshed with default values before each new input row is processed.

5. You are using the Change Capture stage in your job design to identify changes made to the input link (before image) to obtain the results in the output link. This job will be using a multi-node configuration file when executed. By default, the Change Capture stage produces an output change link with which two characteristics? (Choose two.)

A) Table Definition based on the keys of the input link
B) Table Definition based on the after input link
C) added column named Change_Code
D) added column named Difference_Value

Solutions: