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IBM C9050-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| IBM Enterprise PL/I Features | - Compiler and Runtime Features
|
| PL/I Language Fundamentals | - Expressions and Operators
|
| File and I/O Processing | - File Operations
|
| Program Structure and Control | - Control Flow
|
| Data Processing | - Character and String Handling
|
IBM Developing with IBM Enterprise PL/I Sample Questions:
What will be printed, if anything, to SYSPRINT after the following statements are executed?
CALL REVERSEIT('PL/I');
(SUBSCRIPTRANGE,SIZE,STRINGSIZE):
REVERSEIT:PROC(31);
DCL(I,J) BIN FIXED(31);
DCL (S,T) CHAR(100) VARYING;
T = S;
J = 0;
I = 0;
DO I = LENGTH(S) TO 1;
J = J + 1;
SUBSTR(T,J,1) = SUBSTR(S,I,1);
END;
PUT(T);
END;
- A. STRINGSIZE error will be raised.
- B. 'PL'I'
- C. SUBSCRIPTRANGE error will be raised.
- D. 'I/LP'
Correct Answer: B 🗳️
Prerequisite:
A sorted input dataset with record length 100 contains at least one record for each of the values '1', '2', '3'
in the first byte. The applied sort criteria is 1,100,ch,a.
Requirements:
1 .) All records with '1' in the first byte must be ignored.
2 .) All records with '2' in the first byte must be written to the output dataset.
3 .) If there is a '3' in the first byte, the read iteration must be left.
4 .) The program must not abend or loop infinitely.
If the code below does not fulfill the specifications provided above, which of the following is the most likely
reason?
DCL DDIN FILE RECORD INPUT;
DCL DDOUT FILE RECORD OUTPUT;
DCL 1 INSTRUC,
3 A CHAR(1),
3 * CHAR(99);
DCL EOF_IN BIT(1) INIT('0'B);
DCL (Z1,Z2,Z3,ZO) BIN FIXED(31) INIT(0);
ON ENDFILE(DDIN) EOF_IN = '1'B;
READ FILE(DDIN) INTO (INSTRUC);
LOOP: DO WHILE (^EOF_IN);
SELECT(INSTRUC.A);
WHEN('1') DO;
Z1 +-= Z1;
ITERATE LOOP;
END;
WHEN('3') DO;
Z3 = Z3+1;
LEAVE LOOP;
END;
WHEN('2') DO;
Z2 = Z2+1;
WRITE FILE(DDOUT) FROM(INSTRUC);
END;
OTHER DO;
ZO = ZO+1;
PUT SKIP LIST(INSTRUC.A);
END;
END;/*select*/
READ FILE(DDIN) INTO(INSTRUC);
END ;/*loop*/
- A. The code does not fulfill the requirement because the last record with '2' in the first byte will be written twice to the output dataset.
- B. The code does not fulfill the requirement because the program will loop infinitely.
- C. The code fulfills the requirement.
- D. The code does not fulfill the requirement because not all records with '2' in the first byte will be written to the output dataset.
Correct Answer: B 🗳️
The lead developer has reviewed the team's progress and determined that the deadline of one week
cannot be met since all of the modules have not been thoroughly tested. Which of the following is the best
action for the lead developer to take?
- A. Suggest that management lower the price of the productsince it does not have all therequired
functionality. - B. Ask management for more staff to ensure the testing is completed by the deadline.
- C. Tell management that not all functionality can be provided but those modules provided will be of high
quality. - D. Tell managementthatthe quality of the software maybe lowerthan expected but itwill be delivered on
time.
Correct Answer: C 🗳️
Which of the following is NOT part of the PL/I code review?
- A. Training course for the program's author
- B. Documentation of results of the review
- C. Attendance of people with technical expertise
- D. Decision whether the review object is a appropriate solution
Correct Answer: A 🗳️
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 OPEN / CLOSE statement.
- B. Check the CURRENT SQLI
- C. Set the EOF bit to '1'B, if SQLCODE = 100 (not found).
- D. Check the SQLCODE after each EXEC SQL FETCH statement.
Correct Answer: B 🗳️
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