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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. What are two fundamental functions of the Information Server Source Code Integration based on the Eclipse Team framework? (Choose two.)

A) Replace from Source Code Control Workspace
B) Commit Changes
C) Send to Source Code Control Workspace
D) Rollback Changes

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 are the first two steps you should take to understand the job performance issues? (Choose two.)

A) Replace Transformer stages with custom operators.
B) Review the objectives of the job.
C) Run job with $APT_TRACE_RUN set to true.
D) Run job with $APT_DUMP_SCORE set to true.

3. A job validates credit card numbers with a reference file using a Join stage, which is hash partitioned by card number. Examination of Job Monitor reveals that some partitions process many more rows than others. Assuming adequate hardware resources, which action can be used to improve the performance of the job?

A) Break the input file into multiple files.
B) Use Round Robin partitioning on the stream and Entire partitioning on the reference.
C) Replace the Join with a Merge stage.
D) Alter the number of partitions in the $APT_CONFIG_FILE.

4. Which two statements are true about the usage of scratch disk? (Choose two.)

A) The parallel framework uses the disk space specified in the scratch disk setting to buffer virtual data set records.
B) You can define multiple scratch disk spaces to distribute disk I/O.
C) If "buffer" scratch disk pool is defined, the framework uses this disk pool and the default disk pool.
D) The Sort stage always uses the scratch disk.

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

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

Solutions: