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IBM Developing with IBM Enterprise PL/I Sample Questions:

1. What does it mean that an interface is synchronous?

A) Requesting program always receives immediate response
B) Requests are processed randomly
C) Requests are processed in parallel
D) Requesting program must wait for a reply

2. What happens to AUTOMATIC variables when a procedure is called recursively?

A) The values from the previous invocation are lost.
B) The values from the previous invocation are saved and are available to the new invocation.
C) The values from the previous invocation are saved and are available when the current invocation ends.
D) The values from previous invocations are preserved but can be overwritten in the new invocation.

3. A program reads a GSAM dataset sequentially, reads complementary information from DB2-
Databases and uses this information to update an IMS-Database, At the end of the program statistics
about how many records have been read and how many IMS-Segments have been updated should be
printed. The program should write checkpoints regularly and should be restartable. Which of the following
groups of information saved when the checkpoint is written will provide enough information to be able to
restart the program correctly?

A) The key of the last IMS segment changed and the number of segments changed.
B) The key of the last record read from the GSAM dataset and the key of the last IMS segment changed.
C) The number of records read from the GSAM dataset, the key of the last record read from the GSAM
dataset and the key of the last IMS segment updated.
D) The number of records read from the GSAM dataset and the number of IMS segmentschanged.

4. Which of the following is generally NOT an area of concern when calling a program written in another
language from PL/I?

A) Storage management
B) Acceptable calling conventions
C) Condition handling
D) Data mapping

5. What are the requirements on data to apply parallelization in a program?

A) It should follow the Relational model.
B) It should follow the Hierarchical model.
C) It should follow the Object model.
D) It should be partition able.

Solutions: