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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

Question 1

Given the following declaration, W has to be assigned to C.
How can a CONVERSION condition be
avoided?
DCL C CHAR(1);
DCL W WIDECHAR(1);

A. IF RANK(W)> 127 THEN
PUT ('Widechar is not a valid char!');
ELSE
C = W;
B. IF WCHARVAL(W) > 128 THEN
PUT ('Widechar is not a valid char!');
ELSE
C = W;
C. IFW ^= CHAR(W)THEN
PUT ('Widechar not is a valid char!');
ELSE
C = W;
D. IFW >128THEN
PUT ('Widechar is not a valid char!');
ELSE
C = W;

Question 2

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

Question 3

A PL/I program performance analwer can best help identify which of the following?

A. Changes needed to database tables
B. CPU hotspots and elapsed time percentages by procedure
C. Incorrect program logic
D. Adequate code coverage

Question 4

What happens after the following statements?
DCLI,J CHAR(5) INIT('54321');
I = J;
PUT LIST(l);

A. CONVERSION condition will be raised.
B. SIZE condition will be raised.
C. 54321 will be printed.
D. 5.4321E+04 will be printed.

Question 5

Which software model is LEAST appropriate it requirements keep changing?

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

Solutions: