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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. Which software model is LEAST appropriate it requirements keep changing?

A) Waterfall model
B) Rapid Application Development model
C) Spiral model (also known as Iterative model)
D) Object-oriented model

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

3. Given the following code, which procedure call would cause the "Pointer corrupted!" message to be output
provided that the PL/I compile time option CHECK(STORAGE) has been specified?
DCLX FIXED BIN(31) BASED (P);
DCL Y CHAR (5) BASED (P);
DCL P POINTER;
SUB: PROCEDURE (P);
DCL P POINTER;
if CHECKSTG(P) THEN PUT ('Pointer 0k!');
ELSE PUT ('Pointer corrupted!');
END;

A) ALLOCATEX;
Y = 'ABCD';
CALL SUB (P);
B) P = ALLOCATE (100);
Y = 'ABCDE';
CALL SUB (ADDR(X));
C) ALLOCATEY;
Y = 'ABCDE';
CALL SUB (P);
D) ALLOCATEY;
Y = 'ABCDE';
CALL SUB (ADDR(X));

4. It becomes apparent that the deadline to implement and test all the functions required for an application is
at risk. Which of the following is the best course of action?

A) Inform management that some functions will not have been tested when the system is implemented.
B) Inform management that the deadline has to be changed.
C) Inform the team and the sponsor about the problem and discuss possible solutions.
D) Inform management that more people are required.

5. Given the following declaration, how many variables are initialized to 0?
DCL 1 A DIM (10),
2 B,
3 C FIXED BIN(31) INIT (4, (*)0),
3 D FIXED DEC(5,2) NIT ((4)0),
3 E FIXED DEC (5,2) NIT (4, 0),
2 F FLOAT NIT (0);

A) 23
B) 17
C) 15
D) 7

Solutions: