题目内容

云计算概念和特点()

A. 美国国家标准与技术研究所(NIST)的云计算定义:云计算是一种按使用量付费的模式,这种模式提供可用的、便捷的、按需的网络访问, 进入可配置的计算资源共享池(资源包括网络,服务器,存储,应用软件,服务),这些资源能够被快速提供,只需投入很少的管理工作,或与服务供应商进行很少的交互
B. 基本特征:按需自助服务 On-demand Self-Service
C. 基本特征:敏捷的弹性 Rapid Elasticity 无处不在的网络接入 Broad Network Access
D. 基本特征:资源池 Resource Pooling 可度量的服务 Measured Service

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云计算到底是什么()

A. 云计算是一种商业计算模型。它将计算任务分布在大量计算机构成的资源池上,使各种应用系统能够根据需要获取计算力、存储空间和信息服务
B. 美国国家标准与技术研究院(National Institute of Standards and Technology,NIST)对云计算的定义:云计算是一种无处不在、便捷且按需对一个共享的可配置计算资源(包括网络、服务器、存储、应用和服务)进行网络访问的模式,它能够通过最少量的管理以及与服务提供商的互动实现计算资源的迅速供给和释放
C. 是一台计算机
D. 是一个软件

_is a weakness in spite of overall strength, which can actually or potentiallylead to downfall()

An Achilles’ Heel
B. The Trojan Horse
C. Helen of Troy
D. A Golden Apple

They never set foot in a university()

A. My parents never wanted to attend university
B. My parents never went to a university
C. My parents never received a college education
D. My parents never thought about going to a university

I learned to find my way through the perils and pleasures of university life()

A. I learned to take part in risky and enjoyable activities at university
B. I went through the challenges of university life and also experienced its joys
C. I found the way to live through university life with perils and pleasures
D. I found a way to go to the university and went through all risks and joys

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