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IBM C9050-042 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced PL/I Concepts | 25% | - Strings and arrays - Error and exception handling - Object-oriented features in PL/I - Structures and records - Pointers and dynamic memory allocation |
| Topic 2: Debugging, Testing and Maintenance | 15% | - Compilation and listing analysis - Debugging techniques and tools - Unit testing and code validation |
| Topic 3: PL/I Language Fundamentals | 25% | - Syntax and data types - Procedures and functions - Control structures - Variables, constants, and expressions - I/O operations and file handling |
| Topic 4: File Processing and Database Connectivity | 20% | - Sequential and VSAM file processing - Data manipulation and transaction control - Database connectivity and SQL integration |
| Topic 5: Performance and Optimization | 15% | - Compiler options and runtime tuning - Memory and storage efficiency - I/O and processing performance |
IBM Developing with IBM Enterprise PL/I Sample Questions:
Which of the following is NOT part of the PL/I code review?
- A. Decision whether the review object is a appropriate solution
- B. Training course for the program's author
- C. Documentation of results of the review
- D. Attendance of people with technical expertise
Correct Answer: B 🗳️
Given the following declaration, how many bytes will be occupied by this structure under the default
alignment rules?
DCL 1 A DIM (10),
2 B FIXED BIN(31),
2 C CHAR (1)VAR;
- A. 80
- B. 70
- C. 79
- D. 77
Correct Answer: C 🗳️
Given the lollowing declarations, what statement will raise STRINGSIZE condition if enabled?
DCLA_STR CHAR (100) VARYING;
DCLB_STR CHAR(10) STATIC;
DCL C_STR CHAR (100);
- A. C_STR = A_STR;
- B. SUBSTR(C_STR, 92) = B_STR;
- C. A_STR = B_STR;
- D. C_STR = B_STR;
Correct Answer: B 🗳️
Given the following declaration, W has to be assigned to C.
How can a CONVERSION condition be
avoided?
DCL C CHAR(1);
DCL W WIDECHAR(1);
- A. IF RANK(W)> 127 THEN
PUT ('Widechar is not a valid char!');
ELSE
C = W; - B. IFW ^= CHAR(W)THEN
PUT ('Widechar not is a valid char!');
ELSE
C = W; - C. IF WCHARVAL(W) > 128 THEN
PUT ('Widechar is not a valid char!');
ELSE
C = W; - D. IFW >128THEN
PUT ('Widechar is not a valid char!');
ELSE
C = W;
Correct Answer: A 🗳️
Given the following code whatwill be output, if an,thing?
DCLX FIXED DEC(5,2) INIT (-123.45);
DCL S CHAR (7);
PUT STRING (S) EDIT(X) (A(7));
PUT DATA (5);
- A. S=' -123.4'
- B. The program ends abnormally at runtime with condition CONVERSION.
- C. S='-123.45';
- D. S='123.45'
Correct Answer: A 🗳️
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