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IBM C9050-042 Exam Syllabus Topics:

IBM Developing with IBM Enterprise PL/I Sample Questions:

1. Given the following statements, where will the variables A, B and C be allocated?
DCL A FIXED;
DCL B CHAR(80) BASED(P);
DCL C CHAR(1000) CONTROLLED;
DCL D AREA(1000);
DCL P PTR STATIC;
ALLOC C;
ALLOC B IN(D);

A) A in STACK, B in STATIC, C in HEAP
B) A in STACK, B and C are in HEAP
C) A in HEAP, Band C are in STACK
D) A and B are in STACK, C in HEAP

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) Provide the programmer with a list of programming standards.
C) Ask the programmer to compile it and run some tests to see if it can be broken.
D) Inform the programmer that a review is not necessary.

3. The XMLCHAR builtin function provides the ability to do which of the following?

A) Check XML for validity
B) Create an XML buffer from a structure
C) Read an XML file into a structure
D) Check XML for well-formedness

4. A module which is serially reusable has which of the following characteristics?

A) Is intended for single use only and must be refreshed from disk before it can be invoked again
B) Must contain the necessary logic to reset control variables and data areas at entry or exit and a second
task may not enter the module until the first task has finished
C) All or part of it may be replaced at any time by the operating system
D) Is designed for concurrent execution by multiple tasks

5. Prerequisite:
A sorted input dataset with record length 100 contains at least one record for all the values '1', '2', '3' in
the first byte. The applied sort criteria is 1,100,ch,a.
Requirements:
1 .) All records with '1' in the first byte must be ignored.
2 .) All records with '2' in the first byte must be written to the output dataset.
3 .) If there is a '3' in the first byte, the program must not read more records.
4 .) The program must not abend or loop infinitely.
If the following code does not fulfill the requirements above, which would be the reason, if any?
DCL DDIN FILE RECORD INPUT;
DCL DDOUT FILE RECORD OUTPUT;
DCL 1 INSTRUC,
3 A CHAR(1),
3 * CHAR(99);
DCL EOF_IN BIT(1) INIT('0'B);
DCL (Z1,Z2,Z3,ZO) BIN FIXED(31) INIT(0);
ON ENDFILE(DDIN) EOF IN = '1'B;
READ FILE(DDIN) INTO (INSTRUC);
IF EOF_IN THEN LEAVE;
SELECT(INSTRUC .A);
WHEN('1') DO;
Z1 += Z1;
ITERATE LAB;
END;
WHEN('3') DO;
Z3 = Z3 + 1;
LEAVE;
END;
WHEN('2') DO;
Z2 = Z2 + 1;
WRITE FILE(DDOUT) FROM(INSTRUC);
END;
OTHER DO;
ZO = ZO + 1;
PUT SKIP LIST(INSTRUC.A);
END; END;/*SELECT*/
END;/*LOOP*/

A) The code does not fulfill the requirement, because not all records with '2' in the first byte will be written
to the output dataset.
B) The code fulfills the requirement.
C) The code does not fulfill the requirement, because the READ iteration will not be left when the first
record with '3' in the first byte appears.
D) The code does not fulfill the requirement, because the program will loop infinitely.

Solutions: