IBM IBM Certified Application Developer C9050-042

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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. The following code is supposed to find the earlier date between today's date and the given input date
which is input to the program in YYYYMMDD format. What happens when the program is executed?
DCL DATE JN CHAR (8);
DCL DAT E_MIN CHAR (8);
GET (DATE IN);
DATE_MIN = MIN(SUBSTR(DATETIME(), 1, 8), DATE IN);

A) The resulting value consists of 8 blanks.
B) The statement works as intended.
C) The program ends abnormally at runtime.
D) The resulting value consists or a mixing or numbers and blanks.

2. What happens to STATIC variables declared in a procedure when the procedure is called recursively?

A) STATIC variables are allocated and initialized at each new invocation.
B) STATIC variables are allocated only once and can, therefore, be used for communication between
invocations.
C) The values of STATIC variables from the previous invocation are lost.
D) The values of STATIC variables from the previous invocation are saved and are available when the
current invocation ends.

3. Given the following code, which statement will produce an E level preprocessor message?
%DCL ABC ENTRY;
%ABC: PROC (X,Y) STATEMENT RETURNS(CHAR); DCL(XY) CHAR;
IF ^PARMSET(X) THEN NOTE('NO X ',0);
IF ^PARMSET(Y) THEN NOTE('NO Y '8');
RETURN('/* '!!X!!YI!'C */');
%END ABC;

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

4. Which of the following is a best practice to make debugging easier?

A) Have the calling program test the return code after the call.
B) Use a variable updated with the program name.
C) CALL PLIDUMP('TFCHAB','Spot Dump'); at key points in the program logic.
D) Use the runtime option STORAGE(00,,00,0K)

5. Given the following declaration, how many bytes will be occupied by the structure?
DCL 1 A ALIGNED, 2 B FIXED BIN (31), 2 C CHAR (1), 2 D FIXED BIN (31), 2 E FIXED DEC (5,2), 2 F
POINTER;

A) 20
B) 24
C) 19
D) 16

Solutions: