IBM C9050-042 real dump : Developing with IBM Enterprise PL/I

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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. Which of the following actions will NOT help increase the maintainability of a program?

A) Replacing subroutines with functions
B) Proper commenting for each piece of functionality
C) Deleting dead code
D) Consolidating redundant code

2. A file containing FIXED BINARY fields that is written by a PL/I program on Intel Architecture is to be read
by PL/I programs on Intel Architecture and on the mainframe. What must be changed in the program
which reads the file on Intel architecture, if anything, for it to work correctly when it run s on the
mainframe?

A) The program must declare the FIXED BINARY fields with the attribute LITTLEENDIAN.
B) The program must declare the FIXED BINARY fields with the attribute NATIVE.
C) Nothing needs to be changed.
D) The program must declare the FIXED BINARY fields with the attribute BIGEND IAN.

3. What will be printed after the following statements?
DCL B BIT(5); B = 1; PUT(B);

A) '10000'B
B) '00001'B
C) '00010'B
D) '11111'B

4. The following program was written to copy a dataset with record length of 100 to another dataset. If this
requirement has not been fulfilled, which is the most likely reason?
DCL DDIN FILE RECORD INPUT;
DCL DDOUT FILE RECORD OUTPUT;
DCL INSTRUC CHAR(100);
DCL EOF_IN BIT(1) INIT('0'B);
ON ENDFILE(DDIN) EOF_IN = '1'B;
DO UNTIL (EOF_IN);
READ FILE (DDIN) INTO(INSTRUC);
WRITE FILE(DDOUT) FROM(INSTRUC);
END;

A) The code fulfills the requirement.
B) The code does not fulfill the requirement because too many records will be written to the output
dataset.
C) The code does not fulfill the requirement because the OPEN statements are missing.
D) The code does not fulfill the requirement because the input structure is the same as the output
structure.

5. Given the following example, what will happen with the PUT SKIP DATA statement after the DO-loop?
PGM_A PROC OPTIONS(MAIN); DCL I FIXED SIN(31);
DCL MON CHAR (10);
DCL DAY(12) CHAP (2) INIT ('31','28','31', '30','31','30' 31','31','30' '31','30','31');
DO I = 1 TO 12;
MON = MON_FUNC(I);
PUT DATA (MON,DAY(I));
END;
PUT SKIP DATA (MON_ARR);
MON_FUNC: PROC(INP) RETURNS(CHAP(10));
DCL INP FIXED BIN (31);
DCL MON_APP(12) CHAR (10) INIT ('JANUARY ','FEBRUARY ','MARCH ', 'APRIL ','MAY
"JUNE 'JULY ''AUGUST ''SEPTEMBER','OCTOBER ','NOVEMBER ','DECEMBER ');
RETURN(MON_ARR(INP));
END;
END;

A) Twelve zeroes will be printed.
B) The compiler will issue a message for the statement and results are unpredictable.
C) A table of the months of theyearwill be printed.
D) The compiler will issue no messages but the program will tail trying to execute the statement.

Solutions: