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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. When using Runtime Column Propagation, which three stages require a schema file? (Select three)

A) Column Import stage
B) DB2 Enterprise stage
C) File Set stage
D) Sequential File stage
E) Peek stage

2. Click the Exhibit button.

The job in the exhibit runs to successful completion with no warnings. However, a validation test identifies that the CUSTOMER_MASTER table is empty. You suspect the cause to be related to the NEW_CUSTOMERS table or a defect in the job. Examining runtime meta-data will help you track down the problem. Which two product features will help you isolate the cause of the problem? (Choose two.)

A) $APT_PM_PLAYER_STATS
B) Use job run operational meta-data reports from IS Manager.
C) Show Performance Statistics in the Designer.
D) Job Monitor Tool in the Director Client

3. 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) Runtime Column Propagation
C) Subrecord data type
D) Schema File property

4. Refer to the exhibit.

You are responsible for improving performance for a given job. From reviewing the job dump score, you notice that many tsort operators are inserted. Join_1 is on columns "account", "po_date" and "hdr_number". Join_2 is based on "account", "hdr_number", "paid_date".
Which two actions will help you improve the performance without changing the business logic?
(Select two)

A) Partition on account and hdr_numberfor all joins. Change Join_1 to join on "account", "hdr_number" and "po_date". Insert Sort between Join_1 and Join_2 and subsort ("Don't sort previously sorted") on "account".
B) Partition on "account" and "hdr_number" for all joins. Change Join_1 to join on "account", "hdr_number" and "po_date". Add Add $APT_SORTJNSERTION_CHECK_ONLY to job parameter list and set it to "True".
C) Insert sort stage between Join_1 and Join_2, subsort ("Don't sort, previously sorted") on "account", sort "hdr_number" and "paid_date".
D) Partition on account and hdrnumber for all joins. Change Join_1 to join on "account", "hdrnumber" and "po_date". Insert Sort between Join_1 and Join_2 and subsort ("Don't sort previously sorted") on "account" and "hdr_number" and sort on "paid_date".

5. Which two statements are correct about XML stages and their usage? (Choose two.)

A) XML Input stage transforms hierarchical XSLT data to tabular format.
B) XML Output stage converts relational tables and sequential files to XML hierarchical structures.
C) XML Transformer stage converts an XML document to another XML hierarchical format.
D) XML Input stage converts XML data to hierarchical format.

Solutions: