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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Performance and Optimization | 15% | - I/O and processing performance - Memory and storage efficiency - Compiler options and runtime tuning |
| Topic 2: Advanced PL/I Concepts | 25% | - Structures and records - Strings and arrays - Object-oriented features in PL/I - Pointers and dynamic memory allocation - Error and exception handling |
| Topic 3: PL/I Language Fundamentals | 25% | - Procedures and functions - Control structures - I/O operations and file handling - Syntax and data types - Variables, constants, and expressions |
| Topic 4: Debugging, Testing and Maintenance | 15% | - Compilation and listing analysis - Unit testing and code validation - Debugging techniques and tools |
| Topic 5: File Processing and Database Connectivity | 20% | - Data manipulation and transaction control - Database connectivity and SQL integration - Sequential and VSAM file processing |
1. Which of the following steps is NOT required to use the IBM Debug Tool on a PL/I program?
A) Plan points where the program should stop during testing
B) Have the source code available
C) Write an Language Environment user condition handler
D) Compile with TEST option
2. What are the requirements on data to apply parallelization in a program?
A) It should be partition able.
B) It should follow the Relational model.
C) It should follow the Hierarchical model.
D) It should follow the Object model.
3. Given the following code, which procedure call would cause the "Pointer corrupted!" message to be output
provided that the PL/I compile time option CHECK(STORAGE) has been specified?
DCLX FIXED BIN(31) BASED (P);
DCL Y CHAR (5) BASED (P);
DCL P POINTER;
SUB: PROCEDURE (P);
DCL P POINTER;
if CHECKSTG(P) THEN PUT ('Pointer 0k!');
ELSE PUT ('Pointer corrupted!');
END;
A) ALLOCATEX;
Y = 'ABCD';
CALL SUB (P);
B) ALLOCATEY;
Y = 'ABCDE';
CALL SUB (ADDR(X));
C) P = ALLOCATE (100);
Y = 'ABCDE';
CALL SUB (ADDR(X));
D) ALLOCATEY;
Y = 'ABCDE';
CALL SUB (P);
4. The XMLCHAR builtin function provides the ability to do which of the following?
A) Create an XML buffer from a structure
B) Check XML for well-formedness
C) Read an XML file into a structure
D) Check XML for validity
5. What is a program specification document?
A) The pseudocode of the program
B) A description of how the program does its work
C) The history of changes of the program and how it was used
D) A description of what the program does and how it can be used
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: D |
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