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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. WIDECHAR can be converted to CHAR. Which rule has to be observed?

A) Each WIDECHAR value has to be less than or equal to '00FF'WX, otherwise CONVERSIONis raised.
B) All WIDECHAR values can be converted to CHAP using the appropriate builtin function.
C) Each WIDECHAR value has to be less than '0080'WX, otherwise CONVERSION is raised.
D) By conversion of WIDECHAR to CHAR the left byte is omitted.

2. What does it mean that an interface is synchronous?

A) Requesting program always receives immediate response
B) Requesting program must wait for a reply
C) Requests are processed in parallel
D) Requests are processed randomly

3. A software package utilizes several licensed third party software components and will be sold to multiple
customers who will also need runtime licenses. What information is LEAST appropriate to provide in a
technical operations guide?

A) The price or the third party software components
B) The required release level or the third party software components
C) The URL for the third party vendor
D) The contact information of the third party vendors

4. In which of the following cases is a performance analyzer tool NOT useful?

A) To identify the code causing a storage overlay
B) To time and tune programs
C) To locate program hangs and deadlocks
D) To show the frequency and duration of function calls

5. An external subroutine procedure requires 10 variables belonging to an input file and 10 variables
belonging to an output file. What is best practice in passing these variables to the procedure?

A) Integrate the 20 variables in one structure and pass the address of the structure in the parameter list.
B) Pass the 20 variables individually in the parameter list.
C) Declare the 20 variables EXTERNAL in both the calling program and in the procedure called and pass
no variable in the parameter list.
D) Integrate the 10 variables belonging to the input file in one structure and the 10 variables belonging to
the output file in another one and pass the addresses of them as parameters to the procedure.

Solutions: