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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. What will be printed, if anything, to SYSPRINT after executing the following code?
DCL A FIXED CONTROLLED;
DCL P PTR;
DCL X FIXED BASED(P);
ALLOC A;
A = 1;
ALLOC A;
A = 2;
P = ADDR(A);
ALLOC A;
A = 3;
P = ADDR(A);
ALLOC A;
A = 4;
FREE A;
FREE A;
PUT DATA(X);

A) 4
B) The results are undefined.
C) 3
D) 2

2. If the PROC name is less than 8 characters, what ENTRY point should be specified for a PL/I routine
which will be FETCHed?

A) CEESTART L
B) The PROC name followed by a '1'
C) PLISTART
D) The PROC name

3. Which of the following actions will NOT help increase the maintainability of a program?

A) Proper commenting for each piece of functionality
B) Deleting dead code
C) Consolidating redundant code
D) Replacing subroutines with functions

4. What happens after executing the following code, assuming the input file has more than 1 record?
DCL INPFILE FILE RECORD INPUT ENV(VB RECSIZE(100)); DCL P PTR;
DCL B CHAR(100) VARYING BASED(P);
DCLC CHAR(110) VARYING BASED(P);
READ FILE(INPFILE) SET(P);
C=B!! 'EXTENDED
READ FILE(INPFILE) SET(P);

A) ENDFILE condition is raised on the second read.
B) Protection exception because of the reference to B.
C) Two records are read.
D) The results are unpredictable.

5. What would the attribute table in a compile list be used for when looking at the variable in a dump?

A) Find hex offset of variable
B) Find where variable is used
C) Find variable attributes
D) Find name of variable

Solutions: