【多选题】
属于室外光缆的有___。
A. 直埋光缆
B. 管道光缆
C. 架空光缆
D. 气吹光缆
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答案
ABCD
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【多选题】
CDN包含以下哪些关键技术?___
A. 内容分发技术
B. 引入谈判技术
C. 内容调度技术
D. 内容管理技术
【多选题】
根据CDN引入业务配置流程,在TCS域名配置前需完成哪些工作?___
A. 修改CNAME
B. 边缘节点域名配置
C. 业务测试
D. 功能适配
【多选题】
以下属于行业大视频增值应用的是___。
A. 人脸识别
B. 车辆识别
C. 烟火检测
D. 人头计数
【多选题】
行业视频的管理功能包含哪些?___
A. 权限管理
B. 设备管理
C. 用户管理
D. 告警管理
【多选题】
VPDN认证元素多重选择有哪些?___
A. IP+安全配置
B. 号码+APN+用户名+密码
C. 号码+APN
D. 号码+APN+用户名+密码+ip
【多选题】
以下哪些属于CoAP请求方法( )。___
A. GET
B. PUT
C. UPDATE
D. DELETE
【多选题】
根据需求的概念,以下属于需求分类的是( )。___
A. 业务需求
B. 测试需求
C. 成本需求
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项目的独特性有( )。 ___
A. 临时性
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【判断题】
ODN(Optical Distribution Network)光配线网络 是基于PON设备的FTTH光缆网络,其作用是在OLT和ONU之间提供光传输通道。
A. 对
B. 错
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分光器是在分光点上实现分光技术的无源功能器件。
A. 对
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光纤的衰减系数越小,无中继传输距离越长。
A. 对
B. 错
【判断题】
内容网络信息安全体系可分为:防窜改、防劫持、防攻击、防注入。
A. 对
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【判断题】
CDN内容分发技术分为:主动分发(push)和被动分发(Pull)。其中被动分发(Push)是指预先将CP内容,通过C2、FTP协议等方式,将100%内容注入到内容中心,由内容中心将内容按条件推送到边缘节点,流量终结在边缘节点。
A. 对
B. 错
【判断题】
一般,同一内容存储两份并分布在不同服务器上,节点具备智能复制功能,即内容访问热度达到阀值后自动进行服务器间内容复制,均衡服务器访问量。
A. 对
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onvif是前端设备接入行业视频的协议。
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B. 错
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行业视频支持第三方平台对接的协议是GB28181和HWSDK协议。
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物联网平台包含DMP和AEP两部分。
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NB-IoT支持的三种省电模式中,DRX模式的实时性最佳。
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B. 错
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MQTT使用UDP协议。
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B. 错
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LoRa工作于未授权频谱。
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B. 错
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项目管理的各过程中存在着循环的逻辑关系,通常是由于项目在执行过程中逐渐明细并根据执行情况来调整项目安排。
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项目文件指会影响项目管理工作且属于项目管理计划的其他文档。
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最为常用的挣值原则是20/80规则。
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B. 错
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挣值反映的是特定某个时刻或时间点的项目绩效情况。
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RAM的一种特殊形式是RACI矩阵,把人员与任务之间的责任关系分为RACI四类。
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芬太尼的英文名称是:___
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公安部、国家卫建委、国家药监局联合发布公告,宣布从 ___起将芬太尼类物质列入《非药用类麻醉药品和精神药品管制品种增补目录》。
A. 2017年1月1日
B. 2018年5月1日
C. 2019年1月1日
D. 2019年5月1日
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芬太尼的不良反应有:___
A. 头晕、头痛
B. 恶心、呕吐
C. 便秘
D. 视觉模糊
E. 皮肤瘙痒
F. 欣快感
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下面哪些属于芬太尼类物质:___
A. 芬太尼
B. 舒芬太尼
C. 瑞芬太尼
D. 阿芬太尼
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芬太尼类物质的形态有哪些:___
A. 粉末
B. 晶体
C. 贴剂
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【判断题】
芬太尼是一种阿片类药物,具有强效的麻醉性阵痛作用,阵痛效力是吗啡的80倍
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芬太尼的药效是海洛因的50倍,芬太尼衍生物药力甚至达到海洛因的5000倍
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芬太尼常见副作用包括呕吐、便秘、精神错乱,幻觉与协调不良有关的伤害。大剂量会引起呼吸困难或昏迷,甚至死亡
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B. 错
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芬太尼成瘾性不强
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B. 错
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B. 错
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我国对芬太尼类物质进行整类列管
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芬太尼类物质毒性很强,不能徒手接触和嗅闻,要注意戴好手套和口罩
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( ) 26. Where does the writer of "The little Prince" come from? A.England. B.France. C.America. D.China.
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【单选题】
( ) 27. What does the prince do after the fox tells him a secret? A.He cares more about a flower and a sheep. B.He meets many more strange adults on other planets. C.He realizes his love for the rose and he goes back to his planet.   D.He discovers interesting things such as a snake, other roses and a fox
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【单选题】
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【单选题】
( ) 29. What is the writer's main purpose(目的)in writing this passage?    A.To tell the readers his life story.    B.To tell people what kind of person his father was.    C.To tell the readers what present he got from his father.    D. To let people know how poor he was.
A. A
B. B
C. C
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【单选题】
( ) 30. Why did the father not ask his son not to do this and do that?    A.Because he felt quite confident of his son.    B.Because he was born from a poor family.    C.Because he was a man of few words.    D.Because he didn't want to be much too strict with his son.
A. A
B. B
C. C
D. D
【单选题】
( ) 31. What would someone learn from this passage?    A.How to live by oneself. B.How to stand on one's own feet.    C.What a good father should do. D.What the self-important is like.
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B. B
C. C
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【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage?    A.闲暇时光 B.学费 C.精神空虚 D.经济不足
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【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her? A. She had seven tickets. B. She hoped to please others. C. She knew the car drivers well. D. She wanted to show kindness.
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【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ . A. thought it was beautifully written B. wanted to know what it really meant C. decided to write it on a warehouse wall D. wanted her husband to put it up in the classroom
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( ) 36. What can we infer from the last paragraph? A. People should practice random kindness to those in need. B. People who receive kindness are likely to offer it to others. C. People should practice random kindness to strangers they meet. D. People who receive kindness are likely to pay it back to the giver.
A. A
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( ) 37.The greatest river for navigation is ___________. A. the Nile B. the Amazon C. the Mekong D. the Mississippi
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B. B
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( ) 38. From a dam, people can use the water for ___________. A. keeping the rivers clean B. only making electricity C. irrigation and making electricity D. washing clothes
A. A
B. B
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D. D
【单选题】
( ) 39. The water in the river is polluted because of _____________. A. people's drinking water too much B. people's swimming in the river too much C. chemicals and other materials D. people's building a dam across a river
A. A
B. B
C. C
D. D
【单选题】
( ) 40. The best title of the passage is ___________. A. Rivers in Cities B. The importance of Rivers C. Transportation D. Natural Resources
A. A
B. B
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D. D