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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. Which of the following structures will NOT contain padding bytes if the PL/I default for alignment is
applied?

A) DCL 1 A, 2 B FLOAT DEC (16), 2 F FLOAT DEC (16), 2 E FIXED BIN (31), 2 C FIXED DEC (5,2), 2 D
CHAR (3);
B) DCL 1 A, 2 E FIXED BIN (31), 2 C FIXED DEC (5,2), 2 B FLOAT DEC (16), 2 F FLOAT DEC (16), 2 D
CHAR (3);
C) DCL 1 A, 2 B FLOAT DEC (16), 2 F FLOAT DEC (16), 2 C FIXED DEC (5,2), 2 E FIXED BIN (31), 2 D
CHAR (3);
D) DCL 1 A, 2 B FLOAT DEC (16), 2 C FLOAT DEC (5,2), 2 D CHAR (3), 2 E FIXED BIN (31), 2 F FLOAT
DEC (16);

2. What characterizes the hierarchical data model with respect to data access?

A) Data access can only be sequential.
B) Data access supports parent-child relationships.
C) Data access supports tables.
D) Data access can only be via an index.

3. An external subroutine procedure requires 10 variables belonging to an input file and 10 variables
belonging to an output file. What is best practice in passing these variables to the procedure?

A) Declare the 20 variables EXTERNAL in both the calling program and in the procedure called and pass
no variable in the parameter list.
B) Integrate the 10 variables belonging to the input file in one structure and the 10 variables belonging to
the output file in another one and pass the addresses of them as parameters to the procedure.
C) Pass the 20 variables individually in the parameter list.
D) Integrate the 20 variables in one structure and pass the address of the structure in the parameter list.

4. Which of the following is NOT a builtin subroutine which supports Logical Unit of Work?

A) PLICKPT
B) PLIREST
C) PLICANC
D) PLILUW

5. Which of the following may be an advantage of the BEGIN OPTIONS (INLINE) statement?

A) The program runs faster because all variables declared inside the BEGIN block are already allocated
when the block containing the BEGINblock is entered.
B) The code runs faster because more variables will be optimized in the BEGINblock.
C) The program uses less heap storage.
D) The program uses less stack storage.

Solutions: