IBM C6030-042 Online Practice Questions and Exam Preparation

IBM C6030-042 Online Questions & Answers

• Question 131:

  Which software quality describes the ability of software to cooperate with other applications?

  A. Reusability
  B. Interoperability
  C. Scalability
  D. Portability
  B. Interoperability

• Question 132:

  The following program was written to copy a dataset with record length of 100 to another dataset. If this requirement has not been fulfilled, 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;

  DO UNTIL (EOF_IN);

  READ FILE (DDIN) INTO(INSTRUC);

  WRITE FILE(DDOUT) FROM(INSTRUC);

  END;

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

• Question 133:

  Which of the following characters may NOT be translated correctly when moving between code pages, character sets and platforms?

  A. A
  B. +
  C. 9
  D. ﹁
  D. ﹁

• Question 134:

  The Senior Vice President of the organization is onsite for a one day visit. She has asked for a meeting with the team lead to understand the status of the project. Which of the following is the most appropriate action for the team lead to take?

  A. Walk her through the functional specification for the application
  B. Show her the most important APIs that have been defined
  C. Show the requirements specification as a way for her to understand the project
  D. Take her through the project plan
  D. Take her through the project plan

• Question 135:

  A PL/I program performance analwer can best help identify which of the following?

  A. Adequate code coverage
  B. Changes needed to database tables
  C. CPU hotspots and elapsed time percentages by procedure
  D. Incorrect program logic
  C. CPU hotspots and elapsed time percentages by procedure

• Question 136:

  Given the following declaration, what declaration of B would cause the structure Ato be invalid?

  DCL K FIXED BIN (31) VALUE (10);

  DCL P POINTER;

  DCL 1 A BASED (P),

  2 B FIXED BIN (31),

  2 C DIM (K REFER (B)),

  3 D FIXED BIN (31),

  3 E CHAR (4);

  ALLOCATE A;

  A. 2B FIXED BIN (31),
  B. 2B FIXED BIN (31) INIT (K),
  C. 2B FIXED BIN (31) INIT (10),
  D. 2B FIXED BIN (31) INIT (20),
  D. 2B FIXED BIN (31) INIT (20),

• Question 137:

  A compiler listing annotated with execution counts per statement helps identify all of the following EXCEPT

  A. Potentially miscoded conditions in IFs, WHEREs, WHILEs, and UNTILs
  B. Unexecuted statements and procedures
  C. Calls to library routines
  D. Opportunities for code optimization
  C. Calls to library routines

• Question 138:

  A program reads an input file into a structure with 20 fields. Fifteen of these are required as parameters in an external procedure. Which of the following is the most efficient way of passing these parameters?

  A. Pass 15 variables in a parameter list.
  B. Pass the address of the input structure as one argument.
  C. Create a structure, assign the 15 variables to it and pass it as one argument.
  D. Create a structure, assign the 15 variables to it and pass the address of it in one argument.
  B. Pass the address of the input structure as one argument.

• Question 139:

  Which of the following PL/I features is NOT new with Enterprise PL/I?

  A. VALUE attribute for named constants.
  B. UNIONs or CELLs to assign identical storage to different variables.
  C. Writing numeric constants with the underscore sign as a separator.
  D. Using hexadecimal constants.
  D. Using hexadecimal constants.

• Question 140:

  In a multithreading environment, when can a race condition occur between two threads?

  A. When they cause a deadlock
  B. When they periorm an operation on same memory area
  C. When they operate synchronously
  D. When the threads have the same priority
  B. When they periorm an operation on same memory area