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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. What happens after executing the following code?
DCL OUTFILE FILE RECORD OUTPUT;
DCLP PTR;
DCL I BIN FIXED(31);
DCL A BIN FIXED(31) BASED(P);
DO I = 1 TO 10;
LOCATE A FILE(OUTFILE) SET(P);
A = I;
END;
CLOSE FILE(OUTFILE);

A) 10 records will be written with first record value undefined.
B) 10 records will be written with value 1 to 10.
C) 9 records will be written with value 2 to 10.
D) 9 records will be written with value 1 to 9.

2. Which of the following is the most appropriate reason to explicitly use COMMIT or ROLLBACK?

A) A batch program performs mass deletions where all deleted rows are independent from each other.
B) An online program updates DB2 and IMS objects.
C) The program abends.
D) The program calls unknown subroutines.

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

4. Given the following statements, where will the variables A, B and C be allocated?
DCL A FIXED;
DCL B CHAR(80) BASED(P);
DCL C CHAR(1000) CONTROLLED;
DCL D AREA(1000);
DCL P PTR STATIC;
ALLOC C;
ALLOC B IN(D);

A) A and B are in STACK, C in HEAP
B) A in HEAP, Band C are in STACK
C) A in STACK, B in STATIC, C in HEAP
D) A in STACK, B and C are in HEAP

5. A PL/I program performance analwer can best help identify which of the following?

A) Incorrect program logic
B) CPU hotspots and elapsed time percentages by procedure
C) Changes needed to database tables
D) Adequate code coverage

Solutions: