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IBM InfoSphere DataStage v8.5 Sample Questions:

1. Click on the Exhibit button.

Provided you have enough system resources, what is the maximum number of jobs that could be running concurrently in this image?

A) 5
B) 2
C) 3
D) 4

2. You are responsible for deploying objects into your customers production environment. To ensure the stability of the production system the customer does not permit compilers on production machines. They have also protected the project and only development machines have the required compiler. What two options will allow jobs with a parallel transformer to execute in the customers production machines? (Choose two.)

A) Export the jobs with Information Server Manager with the executables.
B) Create a package with Information Server Manager and select the option to include executables.
C) Set $APT_COPY_TRANSFORM_OPERATOR
D) Add $APT_COMPILE_OPT=-portable

3. 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 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".
B) 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".
C) 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".
D) Insert sort stage between Join_1 and Join_2, subsort ("Don't sort, previously sorted") on "account", sort "hdr_number" and "paid_date".

4. A job contains a Sort stage that sorts a large volume of data across a cluster of servers. Due to new requirements, the customer has requested that this sorting be done on a subset of servers identified in the configuration file to minimize impact on database nodes. The $APT_CONFIG_FILE shows no sort disk pool for any node. Which two steps will accomplish this? (Choose two.)

A) Have an appropriate node constraint within the Sort stage.
B) Define a non-default node pool with a subset of nodes in the parallel configuration file.
C) Assign a separate config file just for the Sort stage.
D) Use the environment variable $APT_SCRATCH_SPACE_SORT_USAGE.
E) Create a sort scratch disk pool with a subset of nodes in the parallel configuration file.

5. What is the correct method to process a file containing multiple record types using a Complex Flat File stage?

A) Define record definitions on the Constraints tab of the Complex Flat File stage.
B) Use a Modify stage to convert the output array from the Complex Flat File to a subrecord.
C) Manually break the file into multiple files by record type.
D) Define record ID constraints on the Records ID tab of the Complex Flat File stage.

Solutions: