備考時間總是比想像中少，IBM Developing with IBM Enterprise PL/I 的準備更不能一拖再拖。KaoGuTi 將 C9050-042 考試重點濃縮成 140 道練習題，讓你在有限的時間內複習更有方向。

IBM C9050-042 考試概覽:

認證廠商:	IBM
考試名稱:	使用 IBM Enterprise PL/I 進行開發
考試代碼:	C9050-042
支援語言:	英文
相關認證:	IBM Enterprise PL/I Developer 認證
考試形式:	情境式題目, 單選題
推薦課程:	IBM Enterprise PL/I 培訓課程
考試報名:	IBM 認證入口網站
範例考題:
考試方式:	電腦化測驗（依地區不同，可選擇線上或實體考場應試）
必備條件:	建議具備 PL/I 程式設計及 IBM 大型主機環境的相關實務經驗
官方大綱網址:	https://www.ibm.com/training/certification

IBM C9050-042 考試大綱主題:

C9050-042 認證考試問與答

最新的 IBM Certified Application Developer C9050-042 免費考試真題：

問題 #1

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. How many programs would be affected and the effort required
D. Which Enterprise compiler options should be specified

問題 #2

WIDECHAR can be converted to CHAR. Which rule has to be observed?

A. Each WIDECHAR value has to be less than or equal to '00FF'WX, otherwise CONVERSIONis raised.
B. All WIDECHAR values can be converted to CHAP using the appropriate builtin function.
C. Each WIDECHAR value has to be less than '0080'WX, otherwise CONVERSION is raised.
D. By conversion of WIDECHAR to CHAR the left byte is omitted.

問題 #3

Which of the following structures will NOT contain padding bytes if the PL/I default for alignment is
applied?

A. DCL 1 A, 2 B FLOAT DEC (16), 2 C FLOAT DEC (5,2), 2 D CHAR (3), 2 E FIXED BIN (31), 2 F FLOAT
DEC (16);
B. DCL 1 A, 2 B FLOAT DEC (16), 2 F FLOAT DEC (16), 2 C FIXED DEC (5,2), 2 E FIXED BIN (31), 2 D
CHAR (3);
C. DCL 1 A, 2 E FIXED BIN (31), 2 C FIXED DEC (5,2), 2 B FLOAT DEC (16), 2 F FLOAT DEC (16), 2 D
CHAR (3);
D. DCL 1 A, 2 B FLOAT DEC (16), 2 F FLOAT DEC (16), 2 E FIXED BIN (31), 2 C FIXED DEC (5,2), 2 D
CHAR (3);

問題 #4

Given the following code, what measure will improve stability?
S1: PROC (I) RETURNS(CHAR(10));
DCL I BIN FIXED (15);
DCL T (-1:1) CHAR(10) INIT('NOTFOUND' ,'OK'.'ENDFILE');
RETURN(T(l)); END S1;

A. Check, if the value of I is within T's bounds.
B. Check I for valid numeric data.
C. Check the length of the RETURN value.
D. Check, if the value of I is nositive.

問題 #5

Given the following pseudocode inside a loop, where should the COMMIT action be placed assuming that
there is always a one-to-many relationship between header and detail tables?
1 Find header row 2 IF found 3 Update header row 4 Find detail row 5 IF found THEN 6 Update detail
rows 7 ELSE 8 ENDIF 9 ENDIF

A. After line 3
B. After line 8
C. After line 6
D. After lines 3, 8, and 9

問題與答案：