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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

Question 1

What is the output of the following program?
DCL A AREA(8000);
DCL 1 STR1 BASED(P),
2 STR1_LGTH BIN FIXED(31),
2 STR_CHAR CHAR(ALLOC_LGTH REFER(STR1_LGTH));
DCL ALLOC_LGTH BINFIXED(31);
DCL I FIXED BIN(31);
DCL P PTR;
ALLOC_LGTH = 100;
DO I = 1 TO 10;
ALLOC STR1 IN(A);
END;
PUT SKIP LIST(CSTG(A));

A. 1016
B. 8000
C. 1040
D. 1056

Question 2

Given the following declarations, a list of 100 elements must be created so that the element created last
can be accessed as the first element of the list. A new element is always inserted in front of the element
created before. The variable NEXT in the last element should contain the value NULL. Which of the
following pieces of code implements this?
DCL 1 NODE BASED (ANCHOR).
2 NEXT POINTER,
2 DATA FIXED BIN(31);
DCL ANCHOR POINTER;
DCL P POINTER INIT (NULL());
DCL I FIXED BIN(31);

A. DO I = 1 TO 100; NODE.DATA = I; NODE.NEXT = P; ALLOCATE NODE; P = ANCHOR; END;
B. DO I = 1 TO 100; P = ANCHOR; ALLOCATE NODE; NOTE.DATA = I; NODE.NEXT = P; END;
C. I = 1 TO 100; ALLOCATE NODE; NODE.DATA = I; NODE.NEXT = P; ANCHOR = P; END;
D. DO I = 1 TO 100; ALLOCATE NODE; NODE.DATA = I; NODE.NEXT = P; P = ANCHOR; END;

Question 3

Requirement Copy a dataset of record length 100 to another dataset.
If the following code does not fulfill the requirement above, which is the most likely reason?
DCL DDIN FILE RECORD INPUT;
DCL DDOUT FILE RECORD OUTPUT;
DCL INSTRUC CHAR(100);
DCL EOF_IN BIT(1) INIT('0'B);
ON ENDFILE(DDIN) EOF_IN = '1'B;
READ FILE(DDIN) INTO(INSTRUC);
DO WHlLE(^EOF_IN);
WRITE FILE(DDOUT) FROM(INSTRUC);
READ FILE(DDIN) INTO(INSTRUC);
WRITE FILE(DDOUT) FROM(INSTRUC);
END;

A. The code fulfills the requirement.
B. The code does not fulfill the requirement because the OPEN statements are missing.
C. The code does not fulfill the requirement because too many records will be written to the output dataset,
except when the input dataset is empty.
D. The code does not fulfill the requirement because the input structure is the same as the output
structure.

Question 4

The lead developer has reviewed the team's progress and determined that the deadline of one week
cannot be met since all of the modules have not been thoroughly tested. Which of the following is the best
action for the lead developer to take?

A. Suggest that management lower the price of the productsince it does not have all therequired
functionality.
B. Tell managementthatthe quality of the software maybe lowerthan expected but itwill be delivered on
time.
C. Tell management that not all functionality can be provided but those modules provided will be of high
quality.
D. Ask management for more staff to ensure the testing is completed by the deadline.

Question 5

Which of the following techniques, if any, can be used to parallelize a PL/I program?

A. Parallelization is not possible in PL/I program.
B. Attach a thread to every external entry in the program.
C. Attach threads to pieces or work that are independent from othersB.Attach a thread to every subroutine
in the program.

Solutions: