IBM C9050-042 Questions & Answers - in .pdf
- Total Q&A: 140
- Update: Sep 17, 2026
- Price: $59.99
- Vendor: IBM
- Exam Code: C9050-042
- Exam Name: Developing with IBM Enterprise PL/I
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IBM C9050-042 Exam Syllabus Topics:
| Section | Objectives |
|---|
| Program Structure and Control | - Procedures and Blocks
- 1. Parameter passing
- 2. Main and subprocedures
- 3. Scope and declarations
- Control Flow
- 1. Conditional statements
- 2. Branching and exception handling
- 3. Iterative processing
|
| File and I/O Processing | - Input and Output Formatting
- 1. Formatting data
- 2. GET and PUT statements
- File Operations
- 1. Record processing
- 2. Sequential and direct access files
- 3. OPEN, READ, WRITE, and CLOSE statements
|
| PL/I Language Fundamentals | - Expressions and Operators
- 1. String operations
- 2. Logical and relational operators
- 3. Arithmetic expressions
- Data Types and Declarations
- 1. Initialization and constants
- 2. Scalar and aggregate data
- 3. Attributes and storage classes
|
| IBM Enterprise PL/I Features | - Integration Technologies
- 1. JSON support
- 2. XML support
- 3. Interoperability with C and Java
- Compiler and Runtime Features
- 1. Compiler options
- 2. Debugging techniques
- 3. Optimization and diagnostics
|
| Data Processing | - Arrays and Structures
- 1. Array manipulation
- 2. Structure definitions
- 3. Based and controlled storage
- Character and String Handling
- 1. Built-in string functions
- 2. Substring processing
- 3. Pattern and conversion operations
|
IBM Developing with IBM Enterprise PL/I Sample Questions:
Question #1
Program A calls program B with PC as a parameter defined BIN FIXED (31 .0). Program B sets PC as
follows:
0 OK
4 WARNING
8 ERROR
Which of the following is the most appropriate statement for testing the PC variable?
A. IF (RC >4) THEN PUT SKIP LIST('ERROR IN B');
ELSE PUT SKIP LIST('UNKNOWN VALUE FROM B');
B. SELECT (RC); WHEN (0,4); WHEN (8) PUT SKIP LIST ('ERROR IN B');
OTHERWISE PUT SKIP LIST('UNKNOWN VALUE FROM B');
END;
C. SELECT (RC);
WHEN (0, 4);
OTHERWISE
PUT SKIP LIST('UNKNOWN VALUE FROM B');
END;
D. IF (RC ^= 0) & (RC ^= 4) THEN PUT SKIP LIST('ERROR IN B');
ELSE IF RC> 8 THEN PUT SKIP LIST('UNKNOWN VALUE FROM B);
Question #2
What happens after the following statements?
DCLI,J CHAR(5) INIT('54321');
I = J;
PUT LIST(l);
A. SIZE condition will be raised.
B. 54321 will be printed.
C. CONVERSION condition will be raised.
D. 5.4321E+04 will be printed.
Question #3
The following code is supposed to find the earlier date between today's date and the given input date
which is input to the program in YYYYMMDD format. What happens when the program is executed?
DCL DATE JN CHAR (8);
DCL DAT E_MIN CHAR (8);
GET (DATE IN);
DATE_MIN = MIN(SUBSTR(DATETIME(), 1, 8), DATE IN);
A. The resulting value consists of 8 blanks.
B. The program ends abnormally at runtime.
C. The statement works as intended.
D. The resulting value consists or a mixing or numbers and blanks.
Question #4
In which of the following cases is a performance analyzer tool NOT useful?
A. To time and tune programs
B. To show the frequency and duration of function calls
C. To locate program hangs and deadlocks
D. To identify the code causing a storage overlay
Question #5
Which of the following is LEAST likely to be performed by an online application?
A. Checkpoint/restart logic
B. End user interaction
C. Transaction processing
D. Sorting
Solutions:
Question #1
Correct Answer: B | Question #2
Correct Answer: A | Question #3
Correct Answer: A | Question #4
Correct Answer: D | Question #5
Correct Answer: A |
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