IBM IBM Certified Application Developer C6030-042 Questions & Answers

• Question 51:

  Which code should NOT be split out into separate subroutines?

  A. Redundant code in a program.

  B. Redundant code in a group otprograms.

  C. Dead code in a program.

  D. Code which must be available on different platforms.

  Correct Answer: C

• Question 52:

  Which of the following is the most appropriate way of avoiding a recursive deadlock?

  A. Aborting the Transaction

  B. Setting a time limit on the runtime of the Transaction

  C. Partitioning the relevant Database

  D. Changing the program

  Correct Answer: D

• Question 53:

  What will be printed after the following statements?

  DCL B BIT(5); B = 1; PUT(B);

  A. `00001'B

  B. `00010'B

  C. `11111'B

  D. `10000'B

  Correct Answer: B

• Question 54:

  Given the following code, what measure will improve stability?

  S1: PROC (I) RETURNS(CHAR(10));

  DCL I BIN FIXED (15);

  DCL T (-1:1) CHAR(10) INIT('NOTFOUND' ,`OK'.'ENDFILE'); RETURN(T(l));

  END S1;

  A. Check the length of the RETURN value.

  B. Check I for valid numeric data.

  C. Check, if the value of I is within T's bounds.

  D. Check, if the value of I is nositive.

  Correct Answer: C

• Question 55:

  Given the following code, what statement will produce an E level diagnostic? %DCL ABC ENTRY;

  %ABC: PROC (X,Y) STATEMENT;

  DCL(X,Y) CHAR;

  IF ^PARMSET(X) THEN NOTE('NO X `,0);

  IF ^PARMSET(Y) THEN NOTE('NO Y `,8);

  ANSWER('/* `!lX!!Yl!'C */'); %

  END ABC;

  A. ABC(A,);

  B. ABC Y(B)X(A);

  C. ABC(,B);

  D. ABC (A,B);

  Correct Answer: A

• Question 56:

  Given the following code, which procedure call would cause the "Pointer corrupted!" message to be output

  provided that the PL/I compile time option CHECK(STORAGE) has been specified? DCLX FIXED BIN (31)

  BASED (P);

  DCL Y CHAR (5) BASED (P);

  DCL P POINTER;

  SUB: PROCEDURE (P);

  DCL P POINTER;

  if CHECKSTG(P) THEN PUT (`Pointer 0k!');

  ELSE PUT (`Pointer corrupted!');

  END;

  A. ALLOCATEX;Y = `ABCD';CALL SUB (P);

  B. ALLOCATEY;Y = `ABCDE';CALL SUB (P);

  C. ALLOCATEY;Y = `ABCDE';CALL SUB (ADDR(X));

  D. P = ALLOCATE (100);Y = `ABCDE';CALL SUB (ADDR(X));

  Correct Answer: A

• Question 57:

  Given the following declaration, what is the most efficient way of setting C from A?

  DCLA BIN FIXED(31) INIT(-123);

  DCL C CHAR(6);

  DCL P PlC '---- 9' DEFINED C;

  A. C = A;

  B. PUT STRING(C) EDIT(A)(F(6));

  C. PUT STRING(C) LIST(A);

  D. P = A;

  Correct Answer: D

• Question 58:

  Which of the following structures will NOT contain padding bytes if the PL/I default for alignment is applied?

  A. DCL 1 A,2 B FLOAT DEC (16),2 C FLOAT DEC (5,2),2 D CHAR (3),2 E FIXED BIN (31),2 F FLOAT DEC (16);

  B. DCL 1 A,2 B FLOAT DEC (16),2 F FLOAT DEC (16),2 E FIXED BIN (31),2 C FIXED DEC (5,2),2 D CHAR (3);

  C. DCL 1 A,2 E FIXED BIN (31),2 C FIXED DEC (5,2),2 B FLOAT DEC (16),2 F FLOAT DEC (16),2 D CHAR (3);

  D. DCL 1 A,2 B FLOAT DEC (16),2 F FLOAT DEC (16),2 C FIXED DEC (5,2),2 E FIXED BIN (31),2 D CHAR (3);

  Correct Answer: B

• Question 59:

  Requirement:

  All the characters of the CHAR(3) variable X must be tested to be numeric. Which of the following solutions meets the requirement and does not require essential structural modifications when the requirement is changed to the following: The first character of the CHAR(3) variable X must be tested to be uppercase alphabetic, while the two other characters must be tested to be numeric.

  A. IFX >= `000' and X <= `999'THEN ... /*NUMERIC*/

  B. DCL NUM CHAR(10) VALUE('0l 23456789');IF VERIFY(X,NUM) = 0THEN ... /*NUMERIC*/

  C. DCL Y PIC'999';DCL SWITCH BIT(1) INIT('1'B);ON CONVERSION BEGIN;SWITCH =ONSOURCE = `000';END;Y = X;IF SWITCHTHEN ... ; /*NUMERIC*/

  D. DCL ALPHA CHAR(26) VALUE('ABCDEFGHIJKLMNOPQRSTUVWXYZ');DCL NUM CHAR(10) VALUE('0123456789');IF TRANSLATE(X,(26)'A'!I(10)'9'ALPHA!!NUM) = `999'THEN ... ; /*NUMERIC*/

  Correct Answer: D

• Question 60:

  Which of the following is NOT a builtin subroutine which supports Logical Unit of Work?

  A. PLICKPT

  B. PLILUW

  C. PLIREST

  D. PLICANC

  Correct Answer: B