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Updated: Jul 16, 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 |
| Related Certifications: | IBM Enterprise PL/I |
| Available Languages: | English |
| Sample Questions: | IBM C9050-042 Sample Questions |
| Exam Way: | IBM authorized testing center and/or online proctored delivery depending on IBM testing policy. |
| Pre Condition: | No formal prerequisite exam was publicly specified. |
| Official Syllabus URL: | https://www.ibm.com/products/pli-compiler-zos |
IBM C9050-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Program Structure and Control | - Procedures and Blocks
|
| PL/I Language Fundamentals | - Data Types and Declarations
|
| IBM Enterprise PL/I Features | - Integration Technologies
|
| Data Processing | - Arrays and Structures
|
| File and I/O Processing | - File Operations
|
IBM Developing with IBM Enterprise PL/I Sample Questions:
1. Given the following code, which is the only valid way to convert Q to P?
DCL Q OFFSET;
DCL P POINTER;
DCLX CHAR(100)BASED;
DCL A AREA(6000);
ALLOC X SET(Q) IN(A);
A) P = Q;
B) P = POINTER(Q,A);
C) P = POINTERVALUE(Q);
D) P = ADDR(A) + Q;
2. What will be printed to SYSPRINT after the following statements?
DCLZZ9 PlC 'ZZ9' INIT(-1);
DCL A CHAR(10) INIT(LOW(10));
DCL B CHAR(10) INIT('PL/l');
SELECT;
WHEN(A = LOW(12))PUT('CASE 1');
WHEN(SUBSTR(B11.3) = 'PL/I') PUT('CASE 2');
WHEN(ZZ9 < 0)PUT('CASE 3');
OTHERPUT('CASE 4');
END;
A) CASE 3
B) CASE 2
C) CASE 1
D) CASE 4
3. Which of the following best describes an atomic transaction?
A) Referential Integrity is maintained in the database
B) Only valid data will be written to database
C) The database modifications must follow an 'all or nothing' rule
D) If one part of the transaction fails, the remainder may still be processed
4. The following function converts a character string to uppercase. What is the best way to improve the
performance?
SET_TO_UPPERCASE: PROC(CHARSTR) RETURNS (CHAR(120) VARYING);
DCL CHARSTR CHAR(120) VARYING;
DCL UCCHAR(26) INIT('ASCDEFGHIJKLMNOPQRSTUVWXYZ');
DCL LCCHAR(26) INlT('abcdefghijkImnopqrstuvxy'z');
DCL RCHAR(120) VARYING INIT(");
R = TRANSLATE(CHARSTR,UC,LC);
RETURN(R);
END SET_TO_UPPERCASE;
A) RETURN(TRANSLATE(CHARSTR,UC,LC)) to avoid the unnecessary assignment to R.
B) Declare variables UC and LC as STATIC.
C) Use VALUE on the declares for UC and LC.
D) Use the UPPERCASE function instead of SET_TO_UPPERCASE.
5. How much storage in bytes will be allocated for the following declaration?
DCL 1 S(10) ALIGNED,
2 A BIN FIXED(15),
2 B DEC FIXED(3),
2 C CHAP(3);
A) 80
B) 79
C) 69
D) 70
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: B |
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