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IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which two statements about annotations are correct? (Select two)

A) The Short job description field will appears in job log when $APT_PM_SHOW_PIDS is set.
B) An annotation can be drawn around one of more stages.
C) The Short job description field displays on log summary lines within Director client.
D) The Full job description field is only visible within the Designer Client.

2. Which two tasks can the Slowly Changing Dimensions (SCD) stage perform? (Choose two.)

A) Look up whether a record with a matching business key value exists in a dimension table. If it does, add new values for selected fields to values lists for those fields.
B) Look up whether a record with a matching business key value exists in a dimension table. If it does, mark the record as not-current, and generate a new record with new values for selected fields.
C) Look up whether a record with a matching business key value exists in a dimension table. If it does not, retrieve a new surrogate key value and insert a new row into the dimension table.
D) Look up whether a record with a matching business key value exists in a fact table. If it does not, retrieve a new surrogate key value and insert a new row into the fact table.

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) Alter the number of partitions in the $APT_CONFIG_FILE.
C) Use Round Robin partitioning on the stream and Entire partitioning on the reference.
D) Replace the Join with a Merge stage.

4. What two features enable a job with a Sequential File stage to read from sequential files with different numbers of columns and types? (Select two)

A) Vector data type
B) Schema File property
C) Runtime Column Propagation
D) Subrecord data type

5. What would help debug the run-time environment?

A) View detailed runtime stats through Job monitor in Director Client.
B) $APT_VERBOSE
C) $OSH_PRINT_SCHEMAS
D) Check the message filters for the job.

Solutions: