Developing with IBM Enterprise PL/I: C9050-042 Exam Premium File as PDF & Test Engine

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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. What will be printed, if anything, to SYSPRINT after the following statements are executed?
CALL REVERSEIT('PL/I');
(SUBSCRIPTRANGE,SIZE,STRINGSIZE):
REVERSEIT:PROC(31);
DCL(I,J) BIN FIXED(31);
DCL (S,T) CHAR(100) VARYING;
T = S;
J = 0;
I = 0;
DO I = LENGTH(S) TO 1;
J = J + 1;
SUBSTR(T,J,1) = SUBSTR(S,I,1);
END;
PUT(T);
END;

A) SUBSCRIPTRANGE error will be raised.
B) 'PL'I'
C) 'I/LP'
D) STRINGSIZE error will be raised.

2. Given the following declaration, what declaration of B would cause the structure Ato be invalid?
DCL K FIXED BIN (31) VALUE (10);
DCL P POINTER;
DCL 1 A BASED (P),
2 B FIXED BIN(31),
2 C DIM (K REFER (B)),
3 D FIXED BIN(31),
3 E CHAR (4);
ALLOCATE A;

A) 2B FIXED BIN(31) INIT (20),
B) 2B FIXED BIN (31),
C) 2B FIXED BIN(31) INIT (10),
D) 2B FIXED BIN (31) INIT (K),

3. Which of the following is the most likely reason to use a debugger in a production environment?

A) Ensure data integrity
B) Test a program
C) Investigate error situations
D) Enhance performance

4. Given the following code, what will happen?
DCL(K, L) FIXED DEC (1);
K= 1;
L = 2;
PUT SKIP LIST (12+K/L);

A) The output is 12.5.
B) The resulting value is 6.5.
C) The program ends abnormally at runtime.
D) The output is 12.4999999999999.

5. Which of the following techniques, if any, can be used to parallelize a PL/I program?

A) Attach threads to pieces or work that are independent from othersB.Attach a thread to every subroutine
in the program.
B) Parallelization is not possible in PL/I program.
C) Attach a thread to every external entry in the program.

Solutions: