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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. Given the following declaration, which code does NOT initialize C completely?
DCL 1 A,
2 B DIM (0:9),
3 C DIM (5) FIXED BIN (31),
3 D CHAR (100) VAR;

A) 3 C DIM (5) FIXED BIN(31) INIT ((50)1),
B) 3 C DIM (5) FIXED BIN(31) INIT ((*)1),
C) 3 C DIM (5) FIXED BIN(31) INIT ((5)1,(*)2),
D) 3 C DIM (5) FIXED BIN(31) INIT ((HSOUND(C,1))( 0)),

2. Given the following code, what statement will produce an E level diagnostic?
%DCL ABC ENTRY;
%ABC: PROC (X,Y) STATEMENT;
DCL(X,Y) CHAR;
IF ^PARMSET(X) THEN NOTE('NO X ',0);
IF ^PARMSET(Y) THEN NOTE('NO Y ',8);
ANSWER('/* '!lX!!Yl!'C */'); %
END ABC;

A) ABC Y(B)X(A);
B) ABC(,B);
C) ABC (A,B);
D) ABC(A,);

3. A lead developer reviewing code from one of the programmers found the following code. What should the
programmer be told about BY NAME assignments?
DCLl STR1, 3FB15 FIXED BIN (15), 3 CH10 CHAR (10), 3 NAME CHAR (25). 3 ADDR CHAR (30), 3
FB31 FIXED BIN(31);
DCL 1 STR2, 3 FB31 FIXED BIN (31), 3 FB31B FIXED BIN (31), 3 NAME CHAR (20), 3 ADDR CHAR
(30), 3 CH20 CHAR (20);
STR2 = STR1, BY NAME;

A) They do not work in this case and the code should be replaced by individual assignments.
B) They can have inadvertent side effects and the code should be analwed.
C) There is nothing wrong with using BY NAME assignments in this situation.
D) They are incorrect and should be replaced by individual assignments.

4. SUBSCRIPTRANGE checks which of the following?

A) The address generated for accessing an array element is checked to be sure it falls within the storage
allocated to the array.
B) The value of each subscript used to refer to an array element is checked for validity after the element is
accessed.
C) The value of each subscript used to refer to an array element is checked for validity beforethe element
is accessed.
D) The subscripts of an array are checked for conformance with iSUB defining rules.

5. Which of the following is NOT a characteristic of the RANDOM builtin function?

A) RANDOM can be called without any parameters.
B) RANDOM can be called with an optional SEED to avoid getting repeatable results.
C) RANDOM can be called with an optional upper bound.
D) The values generated by RANDOM are uniformly distributed between 0 and 1, where 0 < random() < 1.

Solutions: