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IBM C9050-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: File Handling and Data Management | - Sequential and indexed file processing
|
| Topic 2: Debugging and Optimization | - Debugging techniques
|
| Topic 3: PL/I Language Fundamentals | - Data types and declarations
|
| Topic 4: Program Control and Logic | - Control statements
|
| Topic 5: IBM Enterprise PL/I Features | - Enterprise extensions
|
IBM Developing with IBM Enterprise PL/I Sample Questions:
1. 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 2
B) CASE 3
C) CASE 1
D) CASE 4
2. Given the following example, what will happen with the PUT SKIP DATA statement after the DO-loop?
PGM_A PROC OPTIONS(MAIN); DCL I FIXED SIN(31);
DCL MON CHAR (10);
DCL DAY(12) CHAP (2) INIT ('31','28','31', '30','31','30' 31','31','30' '31','30','31');
DO I = 1 TO 12;
MON = MON_FUNC(I);
PUT DATA (MON,DAY(I));
END;
PUT SKIP DATA (MON_ARR);
MON_FUNC: PROC(INP) RETURNS(CHAP(10));
DCL INP FIXED BIN (31);
DCL MON_APP(12) CHAR (10) INIT ('JANUARY ','FEBRUARY ','MARCH ', 'APRIL ','MAY
"JUNE 'JULY ''AUGUST ''SEPTEMBER','OCTOBER ','NOVEMBER ','DECEMBER ');
RETURN(MON_ARR(INP));
END;
END;
A) The compiler will issue no messages but the program will tail trying to execute the statement.
B) Twelve zeroes will be printed.
C) A table of the months of theyearwill be printed.
D) The compiler will issue a message for the statement and results are unpredictable.
3. 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) 69
B) 70
C) 80
D) 79
4. Which of the following techniques, if any, can be used to parallelize a PL/I program?
A) Parallelization is not possible in PL/I program.
B) Attach a thread to every external entry in the program.
C) Attach threads to pieces or work that are independent from othersB.Attach a thread to every subroutine
in the program.
5. Which compiler option causes the compiler to flag any IF, WHILE, UNTIL and WHEN clauses that do not
have the attributes BIT(1) NONVARYING?
A) RULES(NOLAXIF)
B) RULES(NOLAXWHILE)
C) RULES(NOLAXUNTIL)
D) RULES(NOLAXWHEN)
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: A |



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