2022年数据库系统工程师模拟试卷(1)上午题之二十四
摘要:对于【数据库系统工程师】软考考试而言,试题无疑是最重要的学习资料之一。在软考备考过程中,吃透试题、掌握试题所考知识点、熟悉试题的出题思路,对我们提升分数的效果是最明显的,通过对试题的反复练习,还可以查漏补缺。今天,给大家带来【2022年数据库系统工程师模拟试卷(1)上午题】部分试题的详解,一起来看看吧~1、使用ping命令可以进行网络检测,在进行一系列检测时,按照由近及
1、使用ping命令可以进行网络检测,在进行一系列检测时,按照由近及远原则,首先执行的是( )。
A、 ping默认网关
B、 ping本地IP
C、 ping127.0.0.1
D、 ping远程主机
答案:C
答题解析:
使用ping命令进行网络检测,按照由近及远原则,首先执行的是ping127.0 0.1,其次是ping本地IP,再次是ping默认网关,最后是ping远程主机。
2、Cloud computing is a phrase used to describe a variety of computing concepts that involve a large number of computers (请作答此空)through a real-time communication network such as the Internet.In science,cloud computing is a ( )for distributed computing over a network,and means the ( )to run a program or application on many connected computers at the same time.The architecture of a cloud is developed at three layers: infrastructure,platform,and application,The infrastructure layer is built with virtualized compute,storage,and network resources.The platform layer is for general-purpose and repeated usage of the collection of software resources.The application layer is formed with a collection of all needed software modules for SaaS applications.The infrastructure layer serves as the( )for building the platform layer of the cloud. In turn,the platform layer is a foundation for implementing the( )layer for SaaS applications.
A、connected
B、imlemented
C、optimized
D、Virtualized
答案:A
答题解析:
云计算是用来描述各种计算概念的短语,包括大量计算机通过网络相互连接以实现分布计算,意思是同时在很多互联的计算机上运行程序或应用的能力。
云的架构分为基础设施层、平台层和应用层三层。基础设施层由虚拟计算、存储和网络资源构成。平台层用于一组软件资源重复使用的通用目的。应用层由一组所需的软件模块构成,即软件即服务(SaaS)。基础设施层作为构建平台层的基础。相反,平台层是应用层的基础,为SaaS应用实现应用层。
3、Cloud computing is a phrase used to describe a variety of computing concepts that involve a large number of computers ( )through a real-time communication network such as the Internet.In science,cloud computing is a (请作答此空)for distributed computing over a network,and means the ( )to run a program or application on many connected computers at the same time.The architecture of a cloud is developed at three layers: infrastructure,platform,and application,The infrastructure layer is built with virtualized compute,storage,and network resources.The platform layer is for general-purpose and repeated usage of the collection of software resources.The application layer is formed with a collection of all needed software modules for SaaS applications.The infrastructure layer serves as the( )for building the platform layer of the cloud. In turn,the platform layer is a foundation for implementing the( )layer for SaaS applications.
A、replacement
B、switch
C、substitute
D、synonym(同义词)
答案:D
答题解析:
云计算是用来描述各种计算概念的短语,包括大量计算机通过网络相互连接以实现分布计算,意思是同时在很多互联的计算机上运行程序或应用的能力。
云的架构分为基础设施层、平台层和应用层三层。基础设施层由虚拟计算、存储和网络资源构成。平台层用于一组软件资源重复使用的通用目的。应用层由一组所需的软件模块构成,即软件即服务(SaaS)。基础设施层作为构建平台层的基础。相反,平台层是应用层的基础,为SaaS应用实现应用层。
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