IBM C9050-042 Exam Questions : Developing with IBM Enterprise PL/I

  • Exam Code: C9050-042
  • Exam Name: Developing with IBM Enterprise PL/I
  • Updated: Sep 09, 2026
  • Q&As: 140 Questions and Answers

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IBM C9050-042 Exam Syllabus Topics:

SectionObjectives
Topic 1: PL/I Language Fundamentals- Data Types and Declarations
  • 1. Scalar and aggregate data
  • 2. Attributes and storage classes
  • 3. Initialization and constants
- Expressions and Operators
  • 1. Arithmetic expressions
  • 2. String operations
  • 3. Logical and relational operators
Topic 2: Program Structure and Control- Procedures and Blocks
  • 1. Parameter passing
  • 2. Main and subprocedures
  • 3. Scope and declarations
- Control Flow
  • 1. Iterative processing
  • 2. Conditional statements
  • 3. Branching and exception handling
Topic 3: Data Processing- Character and String Handling
  • 1. Pattern and conversion operations
  • 2. Built-in string functions
  • 3. Substring processing
- Arrays and Structures
  • 1. Structure definitions
  • 2. Based and controlled storage
  • 3. Array manipulation
Topic 4: File and I/O Processing- File Operations
  • 1. OPEN, READ, WRITE, and CLOSE statements
  • 2. Sequential and direct access files
  • 3. Record processing
- Input and Output Formatting
  • 1. Formatting data
  • 2. GET and PUT statements
Topic 5: IBM Enterprise PL/I Features- Integration Technologies
  • 1. Interoperability with C and Java
  • 2. JSON support
  • 3. XML support
- Compiler and Runtime Features
  • 1. Optimization and diagnostics
  • 2. Debugging techniques
  • 3. Compiler options

IBM Developing with IBM Enterprise PL/I Sample Questions:

Question 1

How much storage in bytes will be allocated for the following declaration?
DCL 1 S(10) ALIGNED,
2 A BIN FIXED(15),
2 B DEC FIXED(3),
2 C CHAP(3);

A. 70
B. 79
C. 80
D. 69


Question 2

What happens to STATIC variables declared in a procedure when the procedure is called recursively?

A. The values of STATIC variables from the previous invocation are saved and are available when the
current invocation ends.
B. STATIC variables are allocated only once and can, therefore, be used for communication between
invocations.
C. STATIC variables are allocated and initialized at each new invocation.
D. The values of STATIC variables from the previous invocation are lost.


Question 3

Given the following code, what will happen?
DCL(K, L) FIXED DEC (1);
K= 1;
L = 2;
PUT SKIP LIST (12+K/L);

A. The program ends abnormally at runtime.
B. The output is 12.4999999999999.
C. The output is 12.5.
D. The resulting value is 6.5.


Question 4

The following structure is used when writing a file on Intel architecture which is sent to the mainframe:
DCL 1 A,
2 B FIXED BIN(31),
2 C CHAR (100) VAR,
2 D FIXED BIN(31);
How must this structure be declared on the mainframe if the file is to be read correctly?

A. DCL1 A,
2 B FIXED BIN(31) BIGENDIAN, 2 C CHAR (100) VAR BIGENDIAN, 2 D CHAR (10);
B. D CL 1 A,
2 B FIXED BIN(31) BIGENDIAN,
2 C CHAR (100) VAR,
2 D CHAR (10);
C. DCL1 A,
2 B FIXED BIN(31) LITTLEENDIAN,
2 C CHAR (100) VAR,
2 D CHAR (10);
D. DCL1 A,
2 B FIXED BIN(31) LITTLEENDIAN,
2 C CHAR (100) VAR LITTLEENDIAN,
2 D CHAR (10);


Question 5

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. Ask management for more staff to ensure the testing is completed by the deadline.
B. Tell management that not all functionality can be provided but those modules provided will be of high
quality.
C. Suggest that management lower the price of the productsince it does not have all therequired
functionality.
D. Tell managementthatthe quality of the software maybe lowerthan expected but itwill be delivered on
time.


Solutions:

Question 1
Answer: B
Question 2
Answer: B
Question 3
Answer: A
Question 4
Answer: D
Question 5
Answer: B

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