IBM C6030-042 Online Practice Questions and Exam Preparation

IBM C6030-042 Online Questions & Answers

• Question 81:

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

• Question 82:

  Given the following code whatwill be output, if an,thing?

  DCLX FIXED DEC (5,2) INIT (-123.45);

  DCL S CHAR (7);

  PUT STRING (S) EDIT (X) (A(7));

  PUT DATA (5);

  A. S=' -123.4'
  B. S='123.45'
  C. S='-123.45';
  D. The program ends abnormally at runtime with condition CONVERSION.
  A. S=' -123.4'

• Question 83:

  What does it mean that an interface is synchronous?

  A. Requesting program must wait for a reply
  B. Requesting program always receives immediate response
  C. Requests are processed randomly
  D. Requests are processed in parallel
  A. Requesting program must wait for a reply

• Question 84:

  A junior programmer has written a 3000 statement program and has asked the team lead for help in determining how to review it. Which of the following is the most appropriate response for the team lead?

  A. Provide the programmer with a list of programming standards.
  B. Request that the programmer set up an informal walkthrough with key members of the team.
  C. Inform the programmer that a review is not necessary.
  D. Ask the programmer to compile it and run some tests to see if it can be broken.
  B. Request that the programmer set up an informal walkthrough with key members of the team.

• Question 85:

  Given the following declaration, how many variables are initialized to 0?

  DCL 1 A DIM (10),

  2 B,

  3 C FIXED BIN (31) INIT (4, (*)0),

  3 D FIXED DEC (5,2) NIT ((4)0),

  3 E FIXED DEC (5,2) NIT (4, 0),

  2 F FLOAT NIT (0);

  A. 7
  B. 15
  C. 17
  D. 23
  B. 15

• Question 86:

  How much storage in bytes will be allocated for the following declaration?

  DCL 1 S(10) ALIGNED,

  2 A BIN FIXED(15),

  2 B DEC FIXED(3),

  2 C CHAP(3);

  A. 70
  B. 79
  C. 80
  D. 69
  B. 79

• Question 87:

  Given the following declaration, how many bytes will be occupied by this structure under the default alignment rules?

  DCL 1 A DIM (10), 2 B FIXED BIN (31), 2 C CHAR (1)VAR;

  A. 70
  B. 77
  C. 79
  D. 80
  C. 79

• Question 88:

  Which of the following statements about the newest PL/l compiler is NOT suitable to convince a stakeholder that migration to the new PL/I compiler is necessary?

  A. The new compiler takes advantage of the current machine instruction set.
  B. The new compiler provides new language features.
  C. The new compiler will tolerate more erroneous code.
  D. The new compiler is necessary because current versions of DB2 and CICS only officially support compilers which are "in service".
  C. The new compiler will tolerate more erroneous code.

• Question 89:

  Given the following code:

  DCL INDATA FILE RECORD INPUT;

  DCL INSTRUC CHAR(100);

  DCL EOF BIT(1) INIT('0'B);

  ON ENDFILE(INDATA) EOF = `1'B;

  OPEN FILE(INDATA);

  READ FILE(INDATA) INTO(INSTRUC);

  DO WHILE (^EOF);

  CALL SR_PROCESS;

  READ FILE(INDATA) INTO(INSTRUC);

  END;

  CLOSE FILE(INDATA);

  If the database (input file) changes from OS-PS to DB2 view and the necessary syntax has been changed accordingly, which of the following DB2-related steps is NOT additionally required to guarantee the same level of stability and

  functionality?

  A. Check the SQLCODE after each EXEC SQL FETCH statement.
  B. Check the SQLCODE after each EXEC SQL OPEN / CLOSE statement.
  C. Set the EOF bit to `1'B, if SQLCODE = 100 (not found).
  D. Check the CURRENT SQLID.
  D. Check the CURRENT SQLID.

• Question 90:

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