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IBM C9050-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| IBM Enterprise PL/I Features | - Compiler and Runtime Features
|
| PL/I Language Fundamentals | - Expressions and Operators
|
| File and I/O Processing | - Input and Output Formatting
|
| Program Structure and Control | - Control Flow
|
| Data Processing | - Arrays and Structures
|
IBM Developing with IBM Enterprise PL/I Sample Questions:
1. Which of the following statements is best for avoiding synchronously updating a resource?
A) Have all programs use ENQ and WAIT for a specific resource.
B) Have only program A update the resource without using ENQ.
C) Have several programs update the resource without using ENQ.
D) Lock the entire resource at start of program and release at end of program.
2. Given the following statements, where will the variables A, B and C be allocated?
DCL A FIXED;
DCL B CHAR(80) BASED(P);
DCL C CHAR(1000) CONTROLLED;
DCL D AREA(1000);
DCL P PTR STATIC;
ALLOC C;
ALLOC B IN(D);
A) A in STACK, B and C are in HEAP
B) A and B are in STACK, C in HEAP
C) A in HEAP, Band C are in STACK
D) A in STACK, B in STATIC, C in HEAP
3. In which of the following groups of compiler options could all the options specified cause the compiler to
generate code which requires more time at execution?
A) APCH(5),BIFPREC(31),NOTESTMTUNE(5),NOSERVICE
B) OPTIMIZE(0),NOREDUCE,PIREFIX(SIZE,SUBSCRIPTRANGE)
C) OPTIMIZE(2),DEFAULT(REORDER,NOLAXDCL,NOLAXCTL),STORAGE,MMTEMP(1000)
D) ATTRIBUTES(FULL),XREF(FULL),DEFAULT(EVENDEC,DUMMY(UNALIGNED)),OFFSET
4. The lead developer on a project has just learned that Pat, a highly skilled programmer on the team, has
been reassigned. The lead developer is familiar with Pat's work and is concerned because no one on the
team has the necessary skills to pick up the work immediately. A new employee with the required skills is
joining the team next week, but the timeline for a mission critical milestone has been moved up to the end
of this week. Which of the following is the most appropriate action for the lead developer to take to ensure
that the critical milestone is met?
A) Explore with the team whether they will be able to meet the new deadline.
B) Explain to the team why this change in schedule is important to the customer.
C) Personally cover the work until the new employee arrives.
D) Direct the team to cover all of Pat's work until the new employee arrives.
5. Which of the following will definitely NOT cause an unresolved external entry?
A) Missing library at link time
B) The main procedure name matching the binder or load module 'name'
C) An incorrect DECLARE for the external entry
D) A mismatch in names between the CALL and the actual procedure
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: B |






