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IBM C9050-042 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Debugging, Testing and Maintenance | 15% | - Compilation and listing analysis - Debugging techniques and tools - Unit testing and code validation |
| PL/I Language Fundamentals | 25% | - Control structures - I/O operations and file handling - Syntax and data types - Variables, constants, and expressions - Procedures and functions |
| File Processing and Database Connectivity | 20% | - Data manipulation and transaction control - Database connectivity and SQL integration - Sequential and VSAM file processing |
| Advanced PL/I Concepts | 25% | - Structures and records - Strings and arrays - Object-oriented features in PL/I - Error and exception handling - Pointers and dynamic memory allocation |
| Performance and Optimization | 15% | - I/O and processing performance - Memory and storage efficiency - Compiler options and runtime tuning |
IBM Developing with IBM Enterprise PL/I Sample Questions:
1. Given the following declarations, which is the WORST way of setting D from 5?
DCL 1 S,
2 A(100) CHAR(1),
2 B(100) CHAR(2),
2 C(100) CHAR(3);
S = "; DCL D CHAR(600);
DCLI BIN FIXED(31);
A) DO I = 1 TO 100;
SUBSTR(D,I,1) = S.A(l);
SUBSTR(D,1 01 + ((I-1) *2),2) = S.B(I);
SUBSTR(D,301 + ((I-1) *3),3) = S.C(I);
END;
B) CALL PLIOVER(ADDR(D)ADDR(S),600);
C) D = STRING(A) !! STRING(S) !! STRING(C);
D) D = STRING(S);
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 1
C) CASE 2
D) CASE 4
3. Which compiler option causes the compiler to flag any reference to structure members that are not level 1
and are not dot qualified?
A) RULES(NDLAXQUAL)
B) RULES(NOLAXSTRUCT)
C) RULES(NOLAXLEVEL1)
D) PULES(NOLAXDOT)
4. 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) 1
B) 4
C) 2
D) 3
5. Which of the following compile list sections would be used to find the location of a static variable in a
dump?
A) Storage Offset Listing
B) Table of Offsets and Statement Numbers
C) Source Listing
D) Attribute/Xref Table
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: A |
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