About IBM Developing with IBM Enterprise PL/I : C9050-042 Exam Questions

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IBM Developing with IBM Enterprise PL/I Sample Questions:

1. Program A calls program B with PC as a parameter defined BIN FIXED (31 .0). Program B sets PC as
follows:
0 OK
4 WARNING
8 ERROR
Which of the following is the most appropriate statement for testing the PC variable?

A) IF (RC >4) THEN PUT SKIP LIST('ERROR IN B');
ELSE PUT SKIP LIST('UNKNOWN VALUE FROM B');
B) IF (RC ^= 0) & (RC ^= 4) THEN PUT SKIP LIST('ERROR IN B');
ELSE IF RC> 8 THEN PUT SKIP LIST('UNKNOWN VALUE FROM B);
C) SELECT (RC);
WHEN (0, 4);
OTHERWISE
PUT SKIP LIST('UNKNOWN VALUE FROM B');
END;
D) SELECT (RC); WHEN (0,4); WHEN (8) PUT SKIP LIST ('ERROR IN B');
OTHERWISE PUT SKIP LIST('UNKNOWN VALUE FROM B');
END;

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

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

3. Which compiler option causes the compiler to flag any reference to structure members that are not level 1
and are not dot qualified?

A) RULES(NOLAXLEVEL1)
B) RULES(NDLAXQUAL)
C) RULES(NOLAXSTRUCT)
D) PULES(NOLAXDOT)

4. In which of the following groups of compiler options could all the options specified cause the compiler to
generate code which requires more time at execution?

A) OPTIMIZE(2),DEFAULT(REORDER,NOLAXDCL,NOLAXCTL),STORAGE,MMTEMP(1000)
B) OPTIMIZE(0),NOREDUCE,PIREFIX(SIZE,SUBSCRIPTRANGE)
C) ATTRIBUTES(FULL),XREF(FULL),DEFAULT(EVENDEC,DUMMY(UNALIGNED)),OFFSET
D) APCH(5),BIFPREC(31),NOTESTMTUNE(5),NOSERVICE

5. In which of the following examples will a dummy argument be passed?

A) DCLA EXT ENTRY;
DCL (X,Y) FIXED BIN;
CALL A(X,Y);
B) PGM: PROC OPTIONS(MAIN);
DCL (X,Y) FIXED BIN;
CALL C (X,Y);
C) DCL A EXT ENTRY (FIXED, BINARY);
DCL (X,Y) FIXED BIN;
CALL A(X,Y);
D) DCL A EXT ENTRY (FIXED BINARY);
DCL (X,Y) FIXED BIN;
CALL A(X,Y);
E) PROC (A,B);
DCL (A,B) BIN FIXED;
END C;
END PGM;

Solutions: