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IBM C6030-042 Exam Dumps

Vendor: IBM
Exam Code: C6030-042
Exam Name: Developing with IBM Enterprise PL/I
Certification: IBM Certified Application Developer
Total Questions: 145 Q&A
Updated on: Dec 13, 2024
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C6030-042 Online Practice Questions and Answers

Questions 1

Given the following code:

DCL INDATA FILE RECORD INPUT;

DCL INSTRUC CHAR(100);

DCL EOF BIT(1) INIT('0'B);

ON ENDFILE(INDATA) EOF = `1'B;

OPEN FILE(INDATA);

READ FILE(INDATA) INTO(INSTRUC);

DO WHILE (^EOF);

CALL SR_PROCESS;

READ FILE(INDATA) INTO(INSTRUC);

END;

CLOSE FILE(INDATA);

If the database (input file) changes from OS-PS to DB2 view and the necessary syntax has been changed

accordingly, which of the following DB2-related steps is NOT additionally required to guarantee the same

level of stability and functionality?

A. Check the SQLCODE after each EXEC SQL FETCH statement.

B. Check the SQLCODE after each EXEC SQL OPEN / CLOSE statement.

C. Set the EOF bit to `1'B, if SQLCODE = 100 (not found).

D. Check the CURRENT SQLID.

Show Answer

Questions 2

A file containing FIXED BINARY fields that is written by a PL/I program on Intel Architecture is to be read by PL/I programs on Intel Architecture and on the mainframe. What must be changed in the program which reads the file on Intel architecture, if anything, for it to work correctly when it runs on the mainframe?

A. The program must declare the FIXED BINARY fields with the attribute NATIVE.

B. The program must declare the FIXED BINARY fields with the attribute LITTLEENDIAN.

C. The program must declare the FIXED BINARY fields with the attribute BIGEND IAN.

D. Nothing needs to be changed.

Show Answer

Questions 3

In a multithreading environment, when can a deadlock occur between two threads, if at all?

A. When both access the same memory area

B. When they are operating synchronously

C. When they have both locked a resource that the other one requires

D. It can neveroccur.

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