IBM C6030-042 Online Practice Questions and Exam Preparation

IBM C6030-042 Online Questions & Answers

• Question 51:

  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 runs on the mainframe?

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

• Question 52:

  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. Afterline 3
  B. Afterline 6
  C. Afterline 8
  D. After lines 3, 8, and 9
  C. Afterline 8

• Question 53:

  A module which is serially reusable has which of the following characteristics?

  A. Is intended for single use only and must be refreshed from disk before it can be invoked again
  B. Must contain the necessary logic to reset control variables and data areas at entry or exit and a second task may not enter the module until the first task has finished
  C. Is designed for concurrent execution by multiple tasks
  D. All or part of it may be replaced at any time by the operating system
  B. Must contain the necessary logic to reset control variables and data areas at entry or exit and a second task may not enter the module until the first task has finished

• Question 54:

  What happens after executing the following code, assuming the input file has more than 1 record?

  DCL INPFILE FILE RECORD INPUT ENV(VB RECSIZE(100)); DCL P PTR; DCL B CHAR(100) VARYING BASED(P);

  DCLC CHAR(110) VARYING BASED(P);

  READ FILE(INPFILE) SET(P);

  C=B!! 'EXTENDED

  READ FILE(INPFILE) SET(P);

  A. Two records are read.
  B. The results are unpredictable.
  C. Protection exception because of the reference to B.
  D. ENDFILE condition is raised on the second read.
  B. The results are unpredictable.

• Question 55:

  PL/I programs which have been written under Intel architecture are now to be recompiled and run on the mainframe. What will happen to the programs during compilation and execution?

  A. They will not run correctly because the byte order on mainframe is bigendian.
  B. They can be recompiled unchanged and will run correctly.
  C. They may have to be changed before they run correctly on the mainframe.
  D. They will not compile correctly on mainframe because ASCII has no NOT sign.
  C. They may have to be changed before they run correctly on the mainframe.

• Question 56:

  What happens to AUTOMATIC variables when a procedure is called recursively?

  A. The values from the previous invocation are lost.
  B. The values from the previous invocation are saved and are available to the new invocation.
  C. The values from previous invocations are preserved but can be overwritten in the new invocation.
  D. The values from the previous invocation are saved and are available when the current invocation ends.
  D. The values from the previous invocation are saved and are available when the current invocation ends.

• Question 57:

  Given the following code, what are the default attributes of DSET1 after the READ statement?

  DCL DATA CHAR (80);

  DCL DSET1 FILE;

  READ FILE(DSET1) INTO(DATA);

  A. SEQUENTIAL RECORD INPUT
  B. STREAM INPUT
  C. DIRECT INPUT
  D. KEYED RECORD INPUT
  A. SEQUENTIAL RECORD INPUT

• Question 58:

  In the following example what value will be printed to SYSPRINT, if any, from the PUT LIST in PGM_A?

  PGM_A PROC;

  DCL INPARM CHAR (10) INIT('FIRST CALL);

  DCL P_OUT PTR;

  DCL OUTPARM CHAR(10) BASED (P_OUT);

  DCL PGM_B ENTRY(CHAR(10),PTR) EXTERNAL:

  CALL P0MB (INPARM,P OUT);

  IF OUTPARM = `RESULT `THEN DO;

  INPARM = ";

  CALL PGM_B (INPARM,P_OUT);

  END;

  PUT LIST(OUTPARM);

  END;

  PGM_B: PROC(INPARMP_OUT);

  DCL INPARM CHAR (10);

  DCL P_OUT PTR;

  DCL OUTPARM CHAR (10) INIT(");

  P_OUT = ADDR(OUTPARM);

  IF INPARM =`FIRST CALL THEN OUTPARM = `RESULT `;

  ELSE

  OUTPARM = `NO RESULT';

  END;

  A. Blanks
  B. `NO RESULT'
  C. Unpredictable
  D. `RESULT'
  C. Unpredictable

• Question 59:

  It becomes apparent that the deadline to implement and test all the functions required for an application is at risk. Which of the following is the best course of action?

  A. Inform management that more people are required.
  B. Inform management that some functions will not have been tested when the system isimplemented.
  C. Inform management thatthe deadline has to be changed.
  D. Inform the team and the sponsor aboutthe problem and discuss possible solutions.
  D. Inform the team and the sponsor aboutthe problem and discuss possible solutions.

• Question 60:

  What is the output of the following program?

  DCL A AREA(8000);

  DCL 1 STR1 BASED(P),

  2 STR1_LGTH BIN FIXED(31),

  2 STR_CHAR CHAR(ALLOC_LGTH REFER(STR1_LGTH));

  DCL ALLOC_LGTH BIN FIXED(31);

  DCL I FIXED BIN(31);

  DCL P PTR;

  ALLOC_LGTH = 100;

  DO I = 1 TO 10;

  ALLOC STR1 IN(A);

  END;

  PUT SKIP LIST(CSTG(A));

  A. 1016
  B. 1040
  C. 1056
  D. 8000
  C. 1056