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IBM InfoSphere DataStage v8.5 Sample Questions:

1. A job design consists of an input SequentialFile stage, followed by a Peek stage, a Transformer stage, a Sort stage and finally an output Dataset stage. The job executes on an SMP system with a configuration file defined with 4 nodes.
The environment variable $APT_DISABLE_COMBINATION is set to "True". How many processes will this job create?

A) 21
B) 17
C) 12
D) 19

2. You have been asked to delete a shared container from the project by your customer. Before you do this you want to make sure it will not impact other objects in the project. How will you ensure that deleting the shared container will not cause a failure when jobs are recompiled?

A) Select the shared container, Right-click on the Where used command.
B) Select the shared container, Right-click on the Where used (deep) command.
C) Select the shared container, Right-click on the Dependencies (deep) command.
D) Advanced find, set Dependencies Of field equal to the container name, and Check the Option to Include nested results for Dependency searches.

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

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

4. The purchase history record contains CustID, ProductID, ProductType and TotalAmount. You need to retain the record of greatest TotalAmount per CustID and ProductType using RemoveDuplicate stage. Which two statements accomplish this requirement? (Choose two.)

A) Hash-partition on CustID;
Sort on CustID, ProductType and TotalAmount.
B) Hash-partition on CustID, ProductType and TotalAmount;
Sort on CustID, ProductType and TotalAmount.
C) Hash-partition on ProductType;
Sort on ProductType, CustID and TotalAmount.
D) Hash-partition on CustID and ProductType;
Sort on CustID, ProductType and TotalAmount.

5. Which requirement must be met to read from a database in parallel using the ODBC connector?

A) ODBC connector always reads in parallel.
B) Configure environment variable $APT_PARTITION_COUNT.
C) Configure environment variable $APT_MAX_TRANSPORT_BLOCK_SIZE.
D) Set the Enable partitioning property to Yes.

Solutions: