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IBM C9050-042

C9050-042

Exam Code: C9050-042

Exam Name: Developing with IBM Enterprise PL/I

Updated: Sep 08, 2026

Q&A Number: 140 Q&As

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IBM C9050-042 Exam Syllabus Topics:

SectionObjectives
Topic 1: Program Control and Logic- Control statements
  • 1. Conditional logic (IF, SELECT)
    • 2. Loops and iteration
      Topic 2: IBM Enterprise PL/I Features- Enterprise extensions
      • 1. Error handling and exception control
        • 2. Built-in functions and system interfaces
          Topic 3: PL/I Language Fundamentals- Data types and declarations
          • 1. Fixed and floating-point data types
            • 2. Arrays and structures
              - Basic syntax and program structure
              • 1. Identifiers, keywords, and operators
                • 2. Program compilation and execution flow
                  Topic 4: Debugging and Optimization- Debugging techniques
                  • 1. Runtime diagnostics and tracing
                    • 2. Performance tuning basics
                      Topic 5: File Handling and Data Management- Sequential and indexed file processing
                      • 1. Record handling and buffers
                        • 2. File input/output operations

                          IBM Developing with IBM Enterprise PL/I Sample Questions:

                          Question 1

                          Given the following pseudocode inside a loop, where should the COMMIT action be placed assuming that
                          there is always a one-to-many relationship between header and detail tables?
                          1 Find header row 2 IF found 3 Update header row 4 Find detail row 5 IF found THEN 6 Update detail
                          rows 7 ELSE 8 ENDIF 9 ENDIF

                          A. After line 3
                          B. After line 6
                          C. After lines 3, 8, and 9
                          D. After line 8


                          Question 2

                          In the following example, what value will be written to SYSPRINT, if anything, by the PUT statement in
                          PGM_A?
                          PGM_A: PROC;
                          DCL INPARM CHAR (12) INIT('FIRST CALL? ');
                          DCL P_OUT PTR;
                          DCL OUTPARM CHAR (10) BASED (P_OUT);
                          DCL PGM_B ENTRY (CHAR(12),PTR) EXTEPNAL;
                          CALL PGM_B (INPARM,P_OUT);
                          IF OUTPARM = 'YES' THEN
                          DO;
                          INPARM = 'FOLLOW ON';
                          CALL PGM_B (INPARM,P_OUT);
                          END;
                          ELSE
                          DO;
                          INPARM = 'NORMAL CALL';
                          CALL PGM_B (INPARM,P_OUT);
                          END;
                          PUT SKIP LIST(OUTPARM);
                          END;
                          PGM_B: PROC(INPARM,P_OUT);
                          DCL INPARM CHAR (12);
                          DCL P_OUT PTR;
                          DCL OUTPARM CHAR (12) STATIC INIT(");
                          P_OUT = ADDR(OUTPARM);
                          IF INPARM = 'FIRST CALL? ' THEN
                          OUTPARM = 'YES'; ELSE
                          IF OUTPARM = " THEN
                          OUTPARM = 'FIRST CALL';
                          END;

                          A. blanks
                          B. 'FIRST CALL'
                          C. The results are unpredictable.
                          D. 'YES'


                          Question 3

                          Requirement Copy a dataset of record length 100 to another dataset.
                          If the following code does not fulfill the requirement above, which is the most likely reason?
                          DCL DDIN FILE RECORD INPUT;
                          DCL DDOUT FILE RECORD OUTPUT;
                          DCL INSTRUC CHAR(100);
                          DCL EOF_IN BIT(1) INIT('0'B);
                          ON ENDFILE(DDIN) EOF_IN = '1'B;
                          READ FILE(DDIN) INTO(INSTRUC);
                          DO WHlLE(^EOF_IN);
                          WRITE FILE(DDOUT) FROM(INSTRUC);
                          READ FILE(DDIN) INTO(INSTRUC);
                          WRITE FILE(DDOUT) FROM(INSTRUC);
                          END;

                          A. The code does not fulfill the requirement because the input structure is the same as the output
                          structure.
                          B. The code does not fulfill the requirement because too many records will be written to the output dataset,
                          except when the input dataset is empty.
                          C. The code does not fulfill the requirement because the OPEN statements are missing.
                          D. The code fulfills the requirement.


                          Question 4

                          A software package utilizes several licensed third party software components and will be sold to multiple
                          customers who will also need runtime licenses. What information is LEAST appropriate to provide in a
                          technical operations guide?

                          A. The price or the third party software components
                          B. The contact information of the third party vendors
                          C. The required release level or the third party software components
                          D. The URL for the third party vendor


                          Question 5

                          Which of the following would a non-technical manager be LEAST interested in regarding migration to
                          Enterprise PL/I?

                          A. Amount of computer resources needed for the conversion
                          B. Whether training programs would be needed
                          C. Which Enterprise compiler options should be specified
                          D. How many programs would be affected and the effort required


                          Solutions:

                          Question 1
                          Answer: D
                          Question 2
                          Answer: D
                          Question 3
                          Answer: B
                          Question 4
                          Answer: A
                          Question 5
                          Answer: C

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