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軟件設計師每日一練試題（2021/10/5）

來源：信管網 2021年10月06日【所有評論】

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軟件設計師每日一練試題內容（2021/10/5）

試題1：

面向對象的測試可分為四個層次，按照由低到高的順序，這四個層次是（）。
A、類層——模板層——系統(tǒng)層——算法層
B、算法層——類層二—模板層——系統(tǒng)層
C、算法層——模板層——類層——系統(tǒng)層
D、類層——系統(tǒng)層——模板層——算法層

試題解析與討論：m.xiexiliangjiufa.com/st/76322628.html
試題參考答案：B

試題2：

某客戶端在采用 ping 命令檢測網絡連接故障時，發(fā)現可以 ping 通 127.0.0.1 及本機的 IP 地址，但無法 ping 通同一網段內其他工作正常的計算機的 IP 地址，說明該客戶端的故障是（）。
A、TCP/IP 協(xié)議不能正常工作
B、本機網卡不能正常工作
C、本機網絡接口故障
D、本機 DNS 服務器地址設置錯誤

試題解析與討論：m.xiexiliangjiufa.com/st/80892785.html
試題參考答案：C

試題3：要判斷字長為16位的整數a的低四位是否全為0，則（）
A.將a與0x000F進行"邏輯與"運算，然后判斷運算結果是否等于0
B.將a與0x000F進行"邏輯或"運算，然后判斷運算結果是否等于F
C.將a與0x000F進行"邏輯異或"運算，然后判斷運算結果是否等于O
D.將a與0x000F進行"邏輯與"運算，然后判斷運算結果是否等于F
試題解析與討論：m.xiexiliangjiufa.com/st/3927113847.html
試題參考答案：A

試題4：

At a basic level, cloud computing is simply a means of delivering IT resources as （1）. Almost all IT resources can be delivered as a cloud service: applications, compute power, storage capacity, networking, programming tools, even communication services and collaboration （2）. Cloud computing began as large-scale Internet service providers such as Google, Amazon, and others built out their infrastructure. An architecture emerged: massively scaled, （3）distributed system resources, abstracted as virtual IT services and managed as continuously configured, pooled resources. In this architecture, the data is mostly resident on （4）"somewhere on the Intemet" and the application runs on both the "cloud servers" and the user's browser. Both clouds and grids are built to scale horizontally very efficiently. Both are built towithstand failures of （5）elements or nodes. Both are charged on a per-use basis. But while grids typically process batch jobs, with a defined start and end point, cloud servics can be continuous. What's more, clouds expand the types of resources available——file storage, databases, and Web services——and extend the applicability to Web and enterprise applications.
（1）A. hardware
B. computers
C. services
D. software
（2） A. computers
B. disks
C. machines
D. tools
（3） A. horizontally
B. vertically
C. inclined
D. decreasingly
（4） A. clients
B. middleware
C. servers
D. hard disks
（5） A. entire
B. individual
C. general
D. separate