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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. What three statements are true with regards to restartable mode for an FTP Enterprise stage? (Select three)

A) File URIs that were transferred completely are not transferred again.
B) Specify a checkpoint directory for the transfer using the -checkpointdir directory.
C) Checkpoint files are written to /^"checkpoint directory">/pftpJobid_ <"jobid number">.
D) Specify the-restartable_transfer option.
E) Optionally specify a unique job_id for the transfer.

2. Which two statements are correct when referring to an Aggregator Stage? (Choose two.)

A) Use Hash method with a large number of distinct key-column values
B) Use Sort method with a large number of distinct key-column values
C) Use Hash method for a limited number of distinct key values
D) Use Sort method for a limited number of distinct key values

3. Which three actions can improve sort performance in a DataStage job? (Choose three.)

A) Run the job sequentially so that only one sort process is invoked.
B) Adjust the "Restrict Memory Usage" option in the Sort stage.
C) Minimize the number of sorts used within a job flow.
D) Specify only the key columns which are necessary.
E) Use the stable-sort option to avoid the random ordering of non-key data.

4. Where are project level message handlers defined?

A) Administrator Client
B) DSENV
C) Director Client
D) Designer Client

5. What two data sources support direct lookups? (Select two)

A) ODBC
B) DB2
C) SqIServer
D) Teradata
E) Oracle

Solutions: