IBM IBM Certified Application Developer C9050-042

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IBM Developing with IBM Enterprise PL/I Sample Questions:

1. Given the following code, what measure will NOT improve stability?
S1: PROC (X,Y,Z);
DCL X DEC FIXED (5);
DCL Y PlC '99999';
DCL Z DEC FIXED (5);
Z = X + Y;
END;

A) Check Z for valid packed data.
B) Check X for valid packed data.
C) Check Y for valid numeric data.
D) Check result overflow.

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

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

3. Requirement Copy a dataset of record length 100 to another dataset.
If the following code does not fulfill the requirement above, 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;
READ FILE(DDIN) INTO(INSTRUC);
DO WHlLE(^EOF_IN);
WRITE FILE(DDOUT) FROM(INSTRUC);
READ FILE(DDIN) INTO(INSTRUC);
WRITE FILE(DDOUT) FROM(INSTRUC);
END;

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

4. Given the following pseudocode inside a loop, where should the COMMIT action be placed assuming that
there is always a one-to-many relationship between header and detail tables?
1 Find header row 2 IF found 3 Update header row 4 Find detail row 5 IF found THEN 6 Update detail
rows 7 ELSE 8 ENDIF 9 ENDIF

A) After line 8
B) After line 6
C) After lines 3, 8, and 9
D) After line 3

5. Given the following code, which condition would be raised first (if ENABLED)?
DCL A(50000) CHAR (8);
DCL I BIN FIXED (31);
DCL J BINFIXED (15);
DCI = 1 TO 100_000;
J = I;
A(J) = I;
END;

A) FIXEDOVERFLOW
B) SUBSCRIPTRANGE
C) SIZE
D) CONVERSION

Solutions:

Question # 1 Answer: A

Question # 2 Answer: A

Question # 3 Answer: C

Question # 4 Answer: A

Question # 5 Answer: C