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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. You are setting up a clustered environment. Each node in the cluster has public and private network adapters. The private network uses fast Ethernet. Which two statements are true? (Select two)

A) The client machines on the public network must use the host name for the engine on the private network to connect.
B) Using the host names on the private network for 'fastname' makes better performance.
C) You must use APT_PM_CONDUCTOR_HOSTNAME variable for optimal environment.
D) Host name alias is not allowed for conductor node.

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

3. Which three data types can the ODBC Enterprise stage handle? (Choose three.)

A) SQL_TIMESTAMP
B) SQL_SMALLDATETIME
C) SQL_VARBINARY
D) SQL_BIGINT
E) SQL_CLOB

4. Configuring the weighting column of an Aggregator stage affects which three options. (Choose three.)

A) Corrected Sum of Squares
B) Sum of Weights
C) Maximum Value
D) Percent Coefficient of Variation
E) Sum

5. There is a requirement to transfer a large file using an FTP Enterprise stage. How can you minimize processing time when a transfer failure occurs?

A) Create multiple readers to transfer file data and specify restartable mode on Input link tab.
B) Manually split the file into multiple files and specify restartable mode on a transfer.
C) Use a sequencer to check transfer status and restart the job from the beginning on failure.
D) Specify restartable mode on a transfer of the single file.

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