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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which requirement must be met to read from a database in parallel using the ODBC connector?

A) Configure environment variable $APT_PARTITION_COUNT.
B) ODBC connector always reads in parallel.
C) Configure environment variable $APT_MAX_TRANSPORT_BLOCK_SIZE.
D) Set the Enable partitioning property to Yes.

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

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

3. What Information Server tool provides integration with source code control repositories?

A) Information Services Director
B) DataStage Designer
C) Information Server Manager
D) Multiple Job Compile

4. You are setting up project defaults. Which three items can be set in DataStage Administrator? (Choose three.)

A) defaults for environment variables
B) default for compile options
C) suite roles
D) default prompting options, such as Autosave job before compile
E) default for Runtime Column Propagation

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

Solutions: