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IBM Developing with IBM Enterprise PL/I Sample Questions:

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

2. A junior programmer has written a 3000 statement program and has asked the team lead for help in
determining how to review it. Which of the following is the most appropriate response for the team lead?

A) Request that the programmer set up an informal walkthrough with key members of the team.
B) Inform the programmer that a review is not necessary.
C) Ask the programmer to compile it and run some tests to see if it can be broken.
D) Provide the programmer with a list of programming standards.

3. Which PL/I builtin function can be used to get the system return code from a called program (including
non-PL/I languages)?

A) PLISTRA
B) PLIREST
C) PLIRETV
D) PLIRETC

4. Which of the following is LEAST likely to be performed by an online application?

A) Checkpoint/restart logic
B) Transaction processing
C) End user interaction
D) Sorting

5. A programmer has submitted the following declaration for review. What feedback should be provided to
the programmer?
DCL 1 A,
2 B DIM (1000) FIXED BIN (31) INIT (0),
2 C DIM (1000) FIXED BIN(15) INIT (0);

A) Discuss with the programmer how many elements of the arrays need to be initialized.
B) The declaration of A should be changed because the current declaration contains padding bytes.
C) A is incorrectly initialized and the code must be changed.
D) The code is good as written.

Solutions:

Question # 1 Answer: C

Question # 2 Answer: A

Question # 3 Answer: C

Question # 4 Answer: A

Question # 5 Answer: A