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IBM Developing with IBM Enterprise PL/I Sample Questions:
1. Which of the following best describes an atomic transaction?
A) Only valid data will be written to database
B) The database modifications must follow an 'all or nothing' rule
C) Referential Integrity is maintained in the database
D) If one part of the transaction fails, the remainder may still be processed
2. Which of the following is NOT a builtin subroutine which supports Logical Unit of Work?
A) PLICKPT
B) PLIREST
C) PLICANC
D) PLILUW
3. A mainframe project is behind schedule and a project leader has only one copy of a PC-based PL/I
compiler available for distribution to team members who are all eager to use it. Optimally, to whom should
it be provided first?
A) The person in the critical path
B) The person who makes the greatest demand
C) The person who does the most PL/I development
D) The project leader and her manager
4. Which of the following may be an advantage of the BEGIN OPTIONS (INLINE) statement?
A) The code runs faster because more variables will be optimized in the BEGINblock.
B) The program uses less heap storage.
C) The program runs faster because all variables declared inside the BEGIN block are already allocated
when the block containing the BEGINblock is entered.
D) The program uses less stack storage.
5. 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 OPEN statements are missing.
C) The code does not fulfill the requirement because the input structure is the same as the output
structure.
D) The code does not fulfill the requirement because too many records will be written to the output
dataset.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: D |

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