IBM Developing with IBM Enterprise PL/I : C9050-042 Exam

  • Exam Code: C9050-042
  • Exam Name: Developing with IBM Enterprise PL/I
  • Updated: Oct 24, 2026
  • Q & A: 140 Questions and Answers

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IBM C9050-042 Exam Syllabus Topics:

SectionObjectives
Debugging and Optimization- Debugging techniques
  • 1. Performance tuning basics
    • 2. Runtime diagnostics and tracing
      File Handling and Data Management- Sequential and indexed file processing
      • 1. Record handling and buffers
        • 2. File input/output operations
          Program Control and Logic- Control statements
          • 1. Loops and iteration
            • 2. Conditional logic (IF, SELECT)
              PL/I Language Fundamentals- Data types and declarations
              • 1. Arrays and structures
                • 2. Fixed and floating-point data types
                  - Basic syntax and program structure
                  • 1. Identifiers, keywords, and operators
                    • 2. Program compilation and execution flow
                      IBM Enterprise PL/I Features- Enterprise extensions
                      • 1. Built-in functions and system interfaces
                        • 2. Error handling and exception control

                          IBM Developing with IBM Enterprise PL/I Sample Questions:

                          Question #1

                          The lead developer is presenting sample code. One of the team members identifies an error in the code.
                          Which of the following is the most appropriate response for the lead developer to make?

                          • A. Declare the point irrelevant because this is sample code.
                          • B. Thank the person for pointing out the error.
                          • C. Apologize for the error and continue the presentation.
                          • D. Suggest that this error be discussed in the next meeting.
                          Reveal Solution  Discussion  0

                          Correct Answer: B  🗳️

                          Question #2

                          What is a program internal specification document?

                          • A. A description of how the program can be used
                          • B. A description of how the program does its work
                          • C. The history of changes of the program and how it worked
                          • D. A summary of the program's performance data
                          Reveal Solution  Discussion  0

                          Correct Answer: B  🗳️

                          Question #3

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

                          • A. Data mapping
                          • B. Condition handling
                          • C. Storage management
                          • D. Acceptable calling conventions
                          Reveal Solution  Discussion  0

                          Correct Answer: C  🗳️

                          Question #4

                          Given the following declarations, a list of 100 elements must be created so that the element created last
                          can be accessed as the first element of the list. A new element is always inserted in front of the element
                          created before. The variable NEXT in the last element should contain the value NULL. Which of the
                          following pieces of code implements this?
                          DCL 1 NODE BASED (ANCHOR).
                          2 NEXT POINTER,
                          2 DATA FIXED BIN(31);
                          DCL ANCHOR POINTER;
                          DCL P POINTER INIT (NULL());
                          DCL I FIXED BIN(31);

                          • A. DO I = 1 TO 100; P = ANCHOR; ALLOCATE NODE; NOTE.DATA = I; NODE.NEXT = P; END;
                          • B. DO I = 1 TO 100; NODE.DATA = I; NODE.NEXT = P; ALLOCATE NODE; P = ANCHOR; END;
                          • C. I = 1 TO 100; ALLOCATE NODE; NODE.DATA = I; NODE.NEXT = P; ANCHOR = P; END;
                          • D. DO I = 1 TO 100; ALLOCATE NODE; NODE.DATA = I; NODE.NEXT = P; P = ANCHOR; END;
                          Reveal Solution  Discussion  0

                          Correct Answer: D  🗳️

                          Question #5

                          Which of the following is NOT part of the PL/I code review?

                          • A. Training course for the program's author
                          • B. Documentation of results of the review
                          • C. Attendance of people with technical expertise
                          • D. Decision whether the review object is a appropriate solution
                          Reveal Solution  Discussion  0

                          Correct Answer: A  🗳️

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