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单项选择题

1. 下列阶段中，属于软件定义期的是

A. 编码

B. 测试

C. 软件设计

D. 需求分析

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单项选择题

2. UML 中常用的十种图分为五类，以下属于交互图的是

A. 部署图

B. 对象图

C. 合作图

D. 活动图

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单项选择题

3. UML 模型描述图中，用于描述系统功能的是

A. 包图

B. 类图

C. 用例图

D. 状态图

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单项选择题

4. 可以删除表中数据的 SQL 语句是

A. DELETE 语句

B. INSERT 语句

C. SELECT 语句

D. UPDATE 语句

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单项选择题

5. 用于分担主 DNS 服务器查询负载的 DNS 服务器是

A. 备份 DNS 服务器

B. 从 DNS 服务器

C. 缓冲 DNS 服务器

D. 主 DNS 服务器

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单项选择题

6. 使用 SSL 加密方式访问端口为 444 的 Web 网站 a.com，正确的链接写法是

A. http://a.com

B. http://a.com:444

C. https://a.com

D. https://a.com:444

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单项选择题

7. 对 HTML 语句 `

` 描述不正确的是

A. 定义了一个图像

B. 指定了图像的存储位置

C. 为图像定义了一个可替换文本，将文字 “big boat” 显示在图片上

D. 为图像定义了一个可替换文本，在图像无法载入时显示 “big boat”

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单项选择题

8. 在 HTML 的表单标记中，可在一个滚动列表中显示一列选项的标记是

A.

B.

C.

D.

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