C9050-042 by IBM Actual Free Exam Questions And Answers

Question 1

In which of the following cases is a performance analyzer tool NOT useful?

A. To time and tune programs

B. To show the frequency and duration of function calls

C. To locate program hangs and deadlocks

D. To identify the code causing a storage overlay

Discussion 0

Correct Answer: D Vote an answer

Question 2

In which of the following groups of compiler options could all the options specified cause the compiler to
generate code which requires more time at execution?

A. APCH(5),BIFPREC(31),NOTESTMTUNE(5),NOSERVICE

B. OPTIMIZE(0),NOREDUCE,PIREFIX(SIZE,SUBSCRIPTRANGE)

C. ATTRIBUTES(FULL),XREF(FULL),DEFAULT(EVENDEC,DUMMY(UNALIGNED)),OFFSET

D. OPTIMIZE(2),DEFAULT(REORDER,NOLAXDCL,NOLAXCTL),STORAGE,MMTEMP(1000)

Discussion 0

Correct Answer: B Vote an answer

Question 3

Which of the following compile list sections would be used to find the location of a static variable in a
dump?

A. Attribute/Xref Table

B. Storage Offset Listing

C. Source Listing

D. Table of Offsets and Statement Numbers

Discussion 0

Correct Answer: B Vote an answer

Question 4

Given the following declarations, which code is likely to perform best and correctly initialize structure 3?
DCL 1 S UNALIGNED, 2 A CHAR(3), 2 B BIN FIXED(31), 2 C DEC FIXED(5); DCL 1 T UNALIGNED
LIKE S; T = ";

A. CALL PLIMOVE(ADDR(S),ADDR(T),STG(S));

B. S = T,BY NAME;

C. S = ";

D. CALL PLIFILL(ADDR(S),'',STG(S));

Discussion 0

Correct Answer: A Vote an answer

Question 5

Given the following code example, what is the value of A after the last CALL to ADD_RUT?
PGM2: PROC OPTIONS(MAIN,REENTRANT) REORDER;
DCL A BIN FIXED (15);
A =1
CALL ADD_RUT(A);
CALL ADD_RUT(A);
CALL ADD_RUT(A);
ADD_RUT:PROC (VAL);
DCL VAL DEC FIXED (15);
VAL = VAL + 1;
END ADD_RUT;
END PGM2;

A. 2

B. 4

C. 3

D. 1

Discussion 0

Correct Answer: D Vote an answer

Question 6

Which of the following would a non-technical manager be LEAST interested in regarding migration to
Enterprise PL/I?

A. Whether training programs would be needed

B. Amount of computer resources needed for the conversion

C. Which Enterprise compiler options should be specified

D. How many programs would be affected and the effort required

Discussion 0

Correct Answer: C Vote an answer

Question 7

Given the following code, what measure will NOT improve stability?
S1: PROC (X,Y,Z);
DCL X DEC FIXED (5);
DCL Y PlC '99999';
DCL Z DEC FIXED (5);
Z = X + Y;
END;

A. Check Y for valid numeric data.

B. Check result overflow.

C. Check Z for valid packed data.

D. Check X for valid packed data.

Discussion 0

Correct Answer: C Vote an answer

Question 8

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

B. Check the CURRENT SQLI

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

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

Discussion 0

Correct Answer: B Vote an answer

IBM Developing with IBM Enterprise PL/I - C9050-042 Exam Practice Test

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