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ca269b54531227cd1cd250b33d677641
Choose twoThe INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOICE_DATE column of data type DATENLS_DATE_FORMAT is set to DD-MON-RR.Which two are true about data type conversions involving these columns in query expressions?
{ "A": " invoice_date > '01-02-2019' : uses implicit conversion", "B": " qty_sold =' 05549821 ' : requires explicit conversion", "C": " CONCAT(qty_sold, invoice_date) : requires explicit conversion", "D": " qty_sold BETWEEN '101' AND '110' : uses implicit conversion", "E": " invoice_date = '15-march-2019' : uses implicit conversion" }
DE
A 选项不会执行成功,和时间格式不匹配D 隐式转换,数值和字符的转换Implicit conversion:隐式转换Explicit conversion:显式转换这道题考察的显式转换和隐式转换
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b68a81dc9975eddfc4322a3f82297368
编码是指发送者将所要传递的信息,按照一定的编码规则,编制为语言的过程。( )
{ "A": "正确", "B": "错误", "C": null, "D": null, "E": null }
B
判断题
计算机
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0fef75765c364d16da148bd09d66f9e0
按照行为方式,可以将针对操作系统的安全威胁划分为:切断、截取、篡改、伪造四种。其中()是对信息完整性的威胁。
{ "A": "切断", "B": "截取", "C": "篡改", "D": "伪造", "E": null }
C
本考题考查的知识点为操作系统安全基础知识,出自《信息系统项目管理工程师教程(第3 版)》第 1 章 信息化和信息系统,全书第 78 页。篡改,这是对完整性的攻击。未经授权的用户不仅获得了对某资源的访问,而且进行篡改,如修改数据文件中的值,修改网络中正在传送的消息内容。
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049ddc1e42ed668a6b5925e47eb22ab5
无人机地面站系统的功能通常包括指挥调度、任务规划、(____)、显示记录等功能。
{ "A": "航线调整", "B": "任务更改", "C": "操作控制", "D": null, "E": null }
C
无人机地面站系统的功能通常包括指挥调度、任务规划、操作控制、显示记录等功能。
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8359a78f67b4dca26d2b9609d9ea4437
一键顺控系统架构中对智能防误主机硬件要求:CPU的总核数≥()核,原始主频≥2.4GHz,缓存≥20MB。
{ "A": "8", "B": "16", "C": "32", "D": "64", "E": null }
A
运检一〔2018〕63号 国网运检部关于印发变电站一键顺控改造技术规范(试行)
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f0e27bee9e4e105fb91d7dd71e53b832
“两地三中心”容灾备份系统的建设要求确保异地构建数据级灾备中心,()小时内将主中心的增量数据复制或备份到灾备中心,保障生产地发生地震等重大灾难时,数据基本不丢失。
{ "A": "1", "B": "2", "C": "3", "D": "4", "E": null }
B
根据《网络安全保密事件与应急处置》(金城出版社2019年8月第一版)第49页,““两地三中心”容灾备份系统的建设要求:同城构建应用级灾备中心,在数据可用的基础上,在灾备中心建立一套相对完整的、与主中心相当的业务应用支撑系统,实现主要应用系统的可用性,确保在发生火灾等主中心灾难时,核心应用系统0.5小时内快速恢复;异地构建数据级灾备中心,确保2小时内将主中心的增量数据复制或备份到灾备中心,保障生产地发生地震等重大灾难时,数据基本不丢失。”
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afbe81feb00f90ca1c31c86efcfc9506
( )在 1 号 GUS 操作站组态临时组,在换区操作后,临时组的组态信息不变。
{ "A": "正确", "B": "错误", "C": null, "D": null, "E": null }
B
判断题
计算机
计算机
90f1b235ae7ce43451ce008b61374273
遇到失控情况时,通过()等方法,判断无人机位置和状态。
{ "A": "地图航线轨迹", "B": "飞手移动位置", "C": "自动返航", "D": "观察姿态球", "E": null }
AD
答:遇到失控情况时,通过观察姿态球、地图航线轨迹等方法,采取飞手移动位置、无人机自动返航、空中悬停、空中停机、就近安全降落等措施恢复控制。
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a2ba8c9cc7f88f77cca0eaa93d5c924d
( )的实质是将具有交叉含义的特征指标进行归并,并通过科学的分析和综合,形成研究人员认为的重要特征。
{ "A": "检验分析", "B": null, "C": null, "D": null, "E": null }
C
选择题
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93f88145e26cd723d7a589a1c78d6256
( SSL)某公司想要实现数字证书认证,该如何操作?
{ "A": "创建公有用户组,勾选数字证书认证;在认证设置的数字证书认证中启用证书认证(内置 CA 或者外置 CA);下载驱动及导入控件;在用户组中创建用户,生成数字证书", "B": "创建私有用户组,勾选数字证书认证;在认证设置的数字证书认证中启用证书认证(内置 CA 或者外置 CA);下载驱动及导入控件;在用户组中创建用户,生成数字证书", "C": "创建公有用户组,勾选数字证书认证;在用户组中创建用户;在认证设置的证书设置中下载安装驱动即可", "D": "创建私有用户组,勾选数字证书认证;在用户组中创建用户;在认证设置的证书设置中下载安装驱动即可", "E": null }
B
户,生成数字证书 户,生成数字证书 证书设置中下载安装驱动即可 证书设置中下载安装驱动即可
选择题
计算机
计算机

130-Million-Chinese-Test-Question-Texts-Data

Description

130 million Chinese question text data from primary school to college, 20.87 million K12 question data (including 16 million parsing questions), 117 million college and vocational question data (including 7 million parsing questions)

For more details, please refer to the link: https://www.nexdata.ai/datasets/speechrecog/1448?source=huggingface

Specifications

Data content

K-12 test question data + university and vocational test question data

Data size

Total of 20.87 million K12 test questions (including 16.00 million with explanations); total of 117 million university and vocational test questions (including 7 million with explanations)

Data fields

K12 test questions include fields such as quality, content_type, type, grade_band, difficulty, grade, course, answer_info, solution_info, chapter, knowledge_point; university and vocational test questions include fields such as answer, parse, and category.

Major categories

For K12 test questions, the educational stages are primary school, junior high school, and senior high school, with subjects including Chinese, mathematics, English, history, geography, politics, biology, physics, chemistry, and science; for university and vocational test questions, the fields include public security, civil service, medicine, foreign languages, academic qualifications, engineering, education, law, economics, vocational, computer science, professional qualifications, and finance.

Question type categories

Multiple-choice, Single-choice, True or false, Fill-in-the-blank, etc.

Storage format

Json

Language

Chinese

Licensing Information

Commercial License

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