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IBM C9050-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: PL/I Language Fundamentals | - Data Types and Declarations
|
| Topic 2: IBM Enterprise PL/I Features | - Compiler and Runtime Features
|
| Topic 3: Data Processing | - Arrays and Structures
|
| Topic 4: File and I/O Processing | - File Operations
|
| Topic 5: Program Structure and Control | - Control Flow
|
IBM Developing with IBM Enterprise PL/I Sample Questions:
1. Which of the following may be an advantage of the BEGIN OPTIONS (INLINE) statement?
A) The program runs faster because all variables declared inside the BEGIN block are already allocated
when the block containing the BEGINblock is entered.
B) The program uses less heap storage.
C) The code runs faster because more variables will be optimized in the BEGINblock.
D) The program uses less stack storage.
2. What happens to AUTOMATIC variables when a procedure is called recursively?
A) The values from previous invocations are preserved but can be overwritten in the new invocation.
B) The values from the previous invocation are saved and are available to the new invocation.
C) The values from the previous invocation are lost.
D) The values from the previous invocation are saved and are available when the current invocation ends.
3. Given the following declarations, which is the WORST way of setting D from 5?
DCL 1 S,
2 A(100) CHAR(1),
2 B(100) CHAR(2),
2 C(100) CHAR(3);
S = "; DCL D CHAR(600);
DCLI BIN FIXED(31);
A) D = STRING(A) !! STRING(S) !! STRING(C);
B) DO I = 1 TO 100;
SUBSTR(D,I,1) = S.A(l);
SUBSTR(D,1 01 + ((I-1) *2),2) = S.B(I);
SUBSTR(D,301 + ((I-1) *3),3) = S.C(I);
END;
C) D = STRING(S);
D) CALL PLIOVER(ADDR(D)ADDR(S),600);
4. Which of the following would a non-technical manager be LEAST interested in regarding migration to
Enterprise PL/I?
A) Amount of computer resources needed for the conversion
B) How many programs would be affected and the effort required
C) Whether training programs would be needed
D) Which Enterprise compiler options should be specified
5. Which of the following is the most appropriate way of avoiding a recursive deadlock?
A) Setting a time limit on the runtime of the Transaction
B) Changing the program
C) Partitioning the relevant Database
D) Aborting the Transaction
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: B |
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