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raz_lw27_shipdiscovery_wksh

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_ships of discovery • LeveL W • 1SKILL: compare and contraSt

Instructions: Compare and contrast Spanish galleons and Chinese junks. Write in the two topics you are comparing on the lines below. Write the 

details that tell how the topics are different in the outer circles. Write details that tell how the topics are alike where the circles overlap.

Different

Alike

Different

Topic: ______________________________________ Topic: ______________________________________www.readinga-z.com

© Learning A–Z All rights reserved.ships of discovery • LeveL W • 2Instructions: Write a sentence for each of the following nouns. Include at least two adjectives to help describe the noun. shipwatersailorworldmastsailscabbagedecklimecar________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________SKILL: a

dJectIVeS

www.readinga-z.comName

© Learning A–Z All rights reserved.ships of discovery • LeveL W • 3

SKILL: compoUnd WordS Instructions: Match words from the left-hand column with words from the right-hand column to create compound words found in Ships of Discovery. Then write the compound words you created on the lines below. waterhomestreammainNewflat-Northsometriangular-Philippinesixty-shipclipperlinedwheretwoshapedIslandsshipslandZealandwayslandAmericabottomedbuilding______________________________________________________________________________________________________________________________________________________

__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________www.readinga-z.comName

© Learning A–Z All rights reserved.

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ONVIF协议珍藏版

ONVIF协议珍藏版

1 范围 .................................................................................................................................................

2 引用标准 .........................................................................................................................................

3 术语与定义 ......................................................................................................................................

3.1 定义 ................................................................................................................................................

3.2缩写 .................................................................................................................................................

4 概述 .................................................................................................................................................

大数据HCIA题库含参考答案

大数据HCIA题库含参考答案

大数据HCIA题库含参考答案

一、单选题（共41题，每题1分，共41分）

1.YARN调度器分配资源的顺序，下面哪一个描述是正确的？

A、任意机器->同机架->本地资源

B、任意机器->本地资源->同机架

C、本地资源->同机架->任意机器

D、同机架->任意机器->本地资源

正确答案：C

2.Flink中的（）接口用于流数据处理，（）接口用于批处理？

A、DataStreamAPI，DataSetAPI

B、DatabatchAPI，DataStreamAPI

C、StreamAPI，BatchAPI

D、BatchAPI，StreamAPI

正确答案：A

3.关于Hive在FusionlnsightHD中的架构描述错误的是？

A、只要有一个HiveServer不可用，整个Hive集群便不可用

B、HiveServer负责接受客户端请求、解析、执行HQL命令并返回查询结果

C、MetaStore用于提供原数据服务，依赖于DBServer

D、在同一时间点HiveServeir只有一个处于Active状态，另一个则处于Standby状态

正确答案：A

4.FusionInsightHD系统中HDFS默认BlockSize是多少?

A、32MB

B、64MB

C、128MB

D、256MB

正确答案：C

5.FusionInsightHDHBase默认使用什么作为其底层文件存储系统?()

A、Hadoop

B、MapReduce

C、Memory

D、HDFS

正确答案：D 6.hbase的底层数据以（）的形式存在的？

A、行存储

B、实时存储

C、keyvalue

D、列存储

正确答案：C

7.HDFS的副本存放策略中，同一机架不同服务器之间的距离是（）

A、2

B、3

C、1

D、4

正确答案：A

8.下列选项中，关于Zookeeper可靠性含义说法正确的是？

A、可靠性通过主备部署模式实现

H3C S5800 版本说明书

H3C S5800 版本说明书

H3C S5800_5820X-CMW520-R1810P16

版本说明书

Copyright © 2018新华三技术有限公司 版权所有，保留一切权利。 非经本公司书面许可，任何单位和个人不得擅自摘抄、复制本文档内容的部分或全部，并不得以任何形式传播。本文档中的信息可能变动，恕不另行通知。

目 录

1 版本信息························································································································· 1 

1.1 版本号 ························································································································ 1 

1.2 历史版本信息 ················································································································ 1 

1.3 版本配套表 ··················································································································· 4 

1.4 ISSU版本兼容列表········································································································· 5 

1.5 版本升级注意事项·········································································································· 6 

hcnabigdata-单选题

hcnabigdata-单选题

1. Spark是用以下那种编程语言实现的？

A.C

B.C++

C.JAVA

D.Scala

2. FusionInsight Manager对服务的管理操作，下面说法错误的是？

A.可对服务进行启停重启操作

B.可以添加和卸载服务

C.可以设置不常用的服务隐藏或显示

D.可以查看服务的当前状态

4. FusionInsight HD的Loader在创建作业时，Connector有什么作用？

A.确定有哪些转换步骤

B.提供优化参数，提高数据导入/导出性能

C.配置作业如何与外部数据进行连接

D.配置作业如何与内部数据进行连接

5 .下列哪个HDFS命令可用于检测数据块的完成性？

A. hdfs fsck

B. hdfs fsck /-delete

C. hdfs dfsadmin -report

D. hdfs balancer - threshold 1

6 . YARN中设置队列QueueA的最大使用资源量，需要配置哪个参数？

A.yarn_scheduler.capacity.root. er-limit-factor

B.yarn_scheduler.capacity.root. QueueA.minimum-user-limit-factor

C.yarn_scheduler.capacity.root. QueueA.state

D.yarn_scheduler.capacity.root. QueueA.maximum- capacity

7 . FusionInsight Manager对服务的配置功能说法不正确的是

A、服务级别的配置可对所有实例生效

B、实例级别的配置只针对本实例生效

C、实例级别的配置对其他实例也生效

D、配置保存后需要重启服务才能生效

8 .关于fusioninsight HD安装流程，说法正确的是：

A安装manager〉执行precheck>执行preinstall>LLD工具配置〉安装集群〉安装后检查〉安装 后配置