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Updated: Sep 17, 2026
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IBM C9050-042 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | Developing with IBM Enterprise PL/I |
| Exam Number: | C9050-042 |
| Real Exam Qty: | 60-140 |
| Exam Format: | Multiple Choice |
| Exam Price: | USD 200-300 |
| Available Languages: | Japanese, English |
| Passing Score: | 70% |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90-120 |
| Recommended Training: | IBM Education PL/I Courses IBM Enterprise PL/I for z/OS Documentation |
| Exam Registration: | Pearson VUE Scheduling IBM Certification Registration |
| Sample Questions: | IBM C9050-042 Sample Questions |
| Exam Way: | Proctored online or at authorized Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended working experience with IBM Enterprise PL/I and z/OS environment |
| Official Syllabus URL: | https://www.ibm.com/certify/certs/c9050042.shtml |
IBM C9050-042 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| File Processing and Database Connectivity | 20% | - Database connectivity and SQL integration - Sequential and VSAM file processing - Data manipulation and transaction control |
| Debugging, Testing and Maintenance | 15% | - Debugging techniques and tools - Unit testing and code validation - Compilation and listing analysis |
| Advanced PL/I Concepts | 25% | - Structures and records - Strings and arrays - Error and exception handling - Object-oriented features in PL/I - Pointers and dynamic memory allocation |
| Performance and Optimization | 15% | - I/O and processing performance - Memory and storage efficiency - Compiler options and runtime tuning |
| PL/I Language Fundamentals | 25% | - I/O operations and file handling - Procedures and functions - Syntax and data types - Variables, constants, and expressions - Control structures |
IBM Developing with IBM Enterprise PL/I Sample Questions:
When a program reads a variable record format dataset via LOCATE mode, what happens?
- A. READ data is placed in specified area.
- B. READ pointer points to the length bytes in the buffer.
- C. READ pointer points to first data byte in the buffer.
- D. The ENDFILE condition is never raised.
Correct Answer: C 🗳️
In the following example how many lines, if any, will be printed?
GRAPH: PROC OPTIONS(MAIN);
DCL I FIXED BIN(31);
DCL POINTS FIXED BIN(31);
CALL INIT_POINTS;
DO I = 1 TO 100;
GET LIST(POINTS);
CALL PLOT_NEXT(POINTS);
END;
INIT_POINTS: PROC;
DCL I FIXED BIN(31);
DCL POINTS(1000) FIXED BIN (31);
DCL BAR CHAR (100) INIT((100)'*') STATIC;
DO I 1 TO 10;
POINTS(I) = I;
PUT SKIP LIST (POINTS(I),SUBSTR(BAR,1,I));
END;
RETURN;
PLOT_NEXT: ENTRY(I);
POINTS(I) = I;
PUT SKIP LIST(POINTS(I),SUBSTR(BAR,1 I));
END;
END GRAPH;
- A. 110
- B. 10
- C. 100
- D. It is unpredictable as the program will fail.
Correct Answer: D 🗳️
Which of the following is LEAST likely to be performed by a batch program?
- A. Production of pay checks
- B. Sequential file processing
- C. User interaction
- D. Sorting
Correct Answer: C 🗳️
Which of the following is NOT a characteristic of the RANDOM builtin function?
- A. RANDOM can be called without any parameters.
- B. RANDOM can be called with an optional SEED to avoid getting repeatable results.
- C. RANDOM can be called with an optional upper bound.
- D. The values generated by RANDOM are uniformly distributed between 0 and 1, where 0 < random() < 1.
Correct Answer: C 🗳️
Given the following code example, what is the value of A after the last CALL to ADD_RUT?
PGM2: PROC OPTIONS(MAIN,REENTRANT) REORDER;
DCL A BIN FIXED (15);
A =1
CALL ADD_RUT(A);
CALL ADD_RUT(A);
CALL ADD_RUT(A);
ADD_RUT:PROC (VAL);
DCL VAL DEC FIXED (15);
VAL = VAL + 1;
END ADD_RUT;
END PGM2;
- A. 4
- B. 1
- C. 3
- D. 2
Correct Answer: B 🗳️
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