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
相關認證:	IBM Enterprise PL/I
支援語言:	English
範例考題:	IBM C9050-042 範例考題
考試方式:	依據IBM測驗政策，可於IBM授權測驗中心應考，或透過線上監考方式進行。
必備條件:	未公開指定正式的前置資格考試。
官方大綱網址:	https://www.ibm.com/products/pli-compiler-zos

IBM C9050-042 考試大綱主題:

章節	目標
檔案與輸入輸出處理	- 檔案作業 1. 記錄處理 2. 循序與直接存取檔案 3. OPEN、READ、WRITE與CLOSE敘述 - 輸入與輸出格式化 1. GET與PUT敘述 2. 資料格式化
PL/I語言基礎	- 運算式與運算子 1. 邏輯與關係運算子 2. 字串運算 3. 算術運算式 - 資料型別與宣告 1. 純量與聚合資料 2. 屬性與儲存類別 3. 初始化與常數
程式結構與控制	- 控制流程 1. 分支與例外處理 2. 條件敘述 3. 迭代處理 - 程序與區塊 1. 有效範圍與宣告 2. 參數傳遞 3. 主程序與副程序
IBM Enterprise PL/I功能特色	- 編譯器與執行階段功能 1. 編譯器選項 2. 最佳化與診斷功能 3. 偵錯技巧 - 整合技術 1. 與C及Java的互通性 2. JSON支援 3. XML支援
資料處理	- 字元與字串處理 1. 模式比對與轉換作業 2. 內建字串函式 3. 子字串處理 - 陣列與結構 1. 基底式與受控儲存空間 2. 陣列操作 3. 結構定義

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

問題 #1

The lead developer on a project has just learned that Pat, a highly skilled programmer on the team, has
been reassigned. The lead developer is familiar with Pat's work and is concerned because no one on the
team has the necessary skills to pick up the work immediately. A new employee with the required skills is
joining the team next week, but the timeline for a mission critical milestone has been moved up to the end
of this week. Which of the following is the most appropriate action for the lead developer to take to ensure
that the critical milestone is met?

A. Personally cover the work until the new employee arrives.
B. Explore with the team whether they will be able to meet the new deadline.
C. Direct the team to cover all of Pat's work until the new employee arrives.
D. Explain to the team why this change in schedule is important to the customer.

問題 #2

It becomes apparent that the deadline to implement and test all the functions required for an application is
at risk. Which of the following is the best course of action?

A. Inform management that the deadline has to be changed.
B. Inform management that more people are required.
C. Inform the team and the sponsor about the problem and discuss possible solutions.
D. Inform management that some functions will not have been tested when the system is implemented.

問題 #3

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. 1
B. 4
C. 3
D. 2

問題 #4

What characterizes the hierarchical data model with respect to data access?

A. Data access can only be via an index.
B. Data access supports tables.
C. Data access can only be sequential.
D. Data access supports parent-child relationships.

問題 #5

The lead developer is presenting sample code. One of the team members identifies an error in the code.
Which of the following is the most appropriate response for the lead developer to make?

A. Apologize for the error and continue the presentation.
B. Thank the person for pointing out the error.
C. Declare the point irrelevant because this is sample code.
D. Suggest that this error be discussed in the next meeting.

問題與答案：

問題 #1
答案： A

問題 #2
答案： C

問題 #3
答案： A

問題 #4
答案： D

問題 #5
答案： B