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

"Developing with IBM Enterprise PL/I", also known as C9050-042 exam, is a IBM Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 140 Q&As to your C9050-042 Exam preparation. In the C9050-042 exam resources, you will cover every field and category in IBM Certified Application Developer Certification helping to ready you for your successful IBM Certification.

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  • Exam Code: C9050-042
  • Exam Name: Developing with IBM Enterprise PL/I
  • Certification Provider: IBM
  • Corresponding Certification: IBM Certified Application Developer
  • Updated: Sep 05, 2026
  • No. of Questions: 140 Questions & Answers with Testing Engine
  • Download Limit: Unlimited

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IBM C9050-042 Exam Syllabus Topics:

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

IBM Developing with IBM Enterprise PL/I Sample Questions:

Question 1

Given the following declaration, how many bytes will be occupied by the structure?
DCL 1 A ALIGNED, 2 B FIXED BIN (31), 2 C CHAR (1), 2 D FIXED BIN (31), 2 E FIXED DEC (5,2), 2 F
POINTER;

A. 16
B. 19
C. 24
D. 20


Question 2

A mainframe project is behind schedule and a project leader has only one copy of a PC-based PL/I
compiler available for distribution to team members who are all eager to use it. Optimally, to whom should
it be provided first?

A. The person in the critical path
B. The person who makes the greatest demand
C. The person who does the most PL/I development
D. The project leader and her manager


Question 3

Given the following code, which condition would be raised first (if ENABLED)?
DCL A(50000) CHAR (8);
DCL I BIN FIXED (31);
DCL J BINFIXED (15);
DCI = 1 TO 100_000;
J = I;
A(J) = I;
END;

A. CONVERSION
B. FIXEDOVERFLOW
C. SUBSCRIPTRANGE
D. SIZE


Question 4

Which of the following is NOT part of the PL/I code review?

A. Documentation of results of the review
B. Decision whether the review object is a appropriate solution
C. Attendance of people with technical expertise
D. Training course for the program's author


Question 5

Given the following pseudocode example, at which label should an unconditional COMMIT be placed
assuming there is a one-to-many relationship between FIL01 and FIL02 and FlL01 contains several
thousand records?
Read record from file FIL01
1 . DO while there are records in FIL01 IF record in FIL01 specifies update THEN DO for all records
matching in FIL02 Update record in FIL02 with information from FIL01 end DO
2 . end IF
3 . Read next record in FIL01
4 . end DO

A. 4
B. 2
C. 1
D. 3


Solutions:

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

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