IBM Developing with IBM Enterprise PL/I : C9050-042 exam dump

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IBM C9050-042 Exam Syllabus Topics:

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

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. Which of the following compiler options should be checked first when addressing performance issues in a
PL/I program?

A) RENT and MAXMEM
B) OPT and DEFAULT
C) ATTRIBUTES and LIST
D) ARCH and MAXSTMT

2. Which of the following is generally NOT an area of concern when calling a program written in another
language from PL/I?

A) Acceptable calling conventions
B) Condition handling
C) Data mapping
D) Storage management

3. A compiler listing annotated with execution counts per statement helps identify all of the following
EXCEPT

A) Opportunities for code optimization
B) Potentially miscoded conditions in IFs, WHEREs, WHILEs, and UNTILs
C) Unexecuted statements and procedures
D) Calls to library routines

4. Which software model is LEAST appropriate it requirements keep changing?

A) Waterfall model
B) Rapid Application Development model
C) Object-oriented model
D) Spiral model (also known as Iterative model)

5. What is a program internal specification document?

A) A summary of the program's performance data
B) The history of changes of the program and how it worked
C) A description of how the program can be used
D) A description of how the program does its work

Solutions:

Question # 1 Answer: B

Question # 2 Answer: D

Question # 3 Answer: D

Question # 4 Answer: A

Question # 5 Answer: D