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生涯人物访谈是工作分析的重要方法。()

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打开工作簿文件EX19.XLS(内容如下)，将工作表sheetl的A1:C1单元格合并为一个单元格，内容居中；计算“人数”列“总计”行的项及“所占比例”列(将工作表命名为“某大学班级学生籍贯调查”)。
2．选取“某大学班级学生籍贯调查”的“籍贯”和“所占比例”两列单元格的内容建立“分离型圆环图”(系列产生在“列”)，数据标志为“显示百分比”，标题为“学生籍贯调查表”，插入到表的A16:E25单元格区域内，并保存到EX19.XLS。

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Ezonexam needs to ensure their IP network can be reached from the Internet. Which of the following host addresses are members of networks that can be routed across the public Internet？ (Choose three.)

A. 10.172.13.65
B. 172.16.223.125
C. 172.64.12.29
D. 192.168.23.252
E. 198.234.12.95
F. 212.193.48.254

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Cisco is the leader in the router market space. What basic functions do their routers perform. in a network？ (Choose two)

A. The microsegmentation of broadcast domains
B. Path selection
C. Packet switching
D. Bridging between LAN segments
E. Access layer security
F. VLAN membership assignment
G. Application optimization

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自动换刀前不必指令刀具回换刀点或“回零”。()

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