國立中正大學雲端計算與物聯網數位學習碩士研究所 106-2 雲端計算 線上測驗題目與答案

國立中正大學雲端計算與物聯網數位學習碩士研究所 
106-2 雲端計算 線上測驗題目與答案

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線上測驗 Week1

001. Which services are included in the cloud deployment model? (10 分複選題)

正確答案為:(1)(2)(3) 本題詳解:在雲端配置模型中包含三種服務1.Software as a Service 2.Infrastructure as a Service 3. Platform as a Service

1:IaaS
2:SaaS
3:PaaS
4:none of the above
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線上測驗 Week2

001. Grid computing shares the processing power of computers connected to a network. (3 分是非題)

正確答案為:是 本題詳解:Grid computing主要概念是將包括軟 、硬體的分散伺服器資源、資料庫、儲存設備 等,透過網路串聯以 組成虛擬的超級電腦,進而分享運算資源。有效運用且聯結網路現有 設備的資訊資源,隨而獲得更為強大的運算能力。(week2教材-p66)




002. Related computing paradigms include: (3 分複選題)

正確答案為:(1)(2)(3)(4) 本題詳解:相關的計算範例包含1.Cluster computing 2.Grid computing 3.Parallel computing 4.Cloud computing (week2教材-p19)

1:Cluster computing
2:Grid computing
3:Parallel computing
4:Cloud computing

003. A cluster consists of a collection of inter-connected stand-alone computers working together as a _______ integrated computing resource. (4 分單選題)

正確答案為:(2) 本題詳解:一個叢集中將多個獨立的電腦整合成單一的計算資源(week2教材-p24)

1:double
2:single
3:All of the above
4:None of the above
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線上測驗 Week3

001. Advantages of SaaS include: (2 分複選題)

正確答案為:(1)(2)(3)(4) 本題詳解:在week3教材-p104中,有列出SaaS所擁有的優點

1:They reduce or eliminate the need for an on-site data center
2:They allow customers to pay on demand for software use
3:They offer device-independent access to many applications
4:They increase disaster recovery and business continuity

002. Platform as a Service(PaaS) solutions provide a collection of hardware and software resources that developers can use to build and deploy applications within the cloud. (2 分是非題)

正確答案為:是 本題詳解:PaaS提供硬體與軟體資源給開發者,使開發者能在雲端開發應用程式(week3教材-p69)




003. GoogleApp Engine is an example of a PaaS solution. (2 分是非題)

正確答案為:是 本題詳解:GoogleApp Engine是一種PaaS(week3教材-p75)




004. Benefits of a PaaS include:(複選) (2 分複選題)

正確答案為:(1)(2)(4) 本題詳解:PaaS的優點在week3教材-p71有列出,可參考教材

1:Increased business and IT alignment
2:More current system software
3:Higher total cost of ownership
4:Lower administration overhead

005. Potential disadvantages of a PaaS include: (2 分單選題)

正確答案為:(4)  

1:Concerns about data security
2:Challenges to integrating cloud solutions
3:Risk of breach by the PaaS provider
4:All of the above
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線上測驗 Week4

001. Computing Paradigm Distinctions include: (2 分複選題)

正確答案為:(1)(2)(3)(4) 本題詳解:計算的範例區分為1.集中式計算2.分散式計算3.平行化計算4.雲端計算上述4種(week4教材-p11)

1:Centralized computing
2:Distributed computing
3:Parallel computing
4:Cloud computing

002. Distributed system consists of multiple autonomous computers, each having its own private memory, communicating through a computer network. (2 分是非題)

正確答案為:是 本題詳解:分散式計算包含許多自主的電腦,各自擁有記憶體,並透過網路溝通(week4教材-p10)




003. Multiple cores are housed in the different chips with an L2 cache. (2 分是非題)

正確答案為:非 本題詳解:multi-core CPU的多個核心是被鑲嵌在同一個晶片並擁有一個L2的快取(week4教材-p24)




004. Degrees of parallelism include: (2 分複選題)

正確答案為:(1)(2)(3)(4)  

1:data-level parallelism
2:instruction-level parallelism
3:task-level parallelism
4:bit-level parallelism

005. Dimension of scalability in a distributed system includes: (2 分單選題)

正確答案為:(5) 本題詳解:分散式系統的範圍分布作法如下1.Size scalability 2.Software scalability 3.Application scalability 4.Technology scalability 共有4種作法(week4教材-p66)

1:Application scalability
2:Technology scalability
3:Size scalability
4:Software scalability
5:All of the above
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線上測驗 Week5

001. Design Objectives of Clusters include: (2 分複選題)

正確答案為:(1)(2)(3)(4) 本題詳解:叢集的設計考慮面向如下1.Scalability 2.Packaging 3.Control 4.Homogeneity 5.Security(week5教材-p8)

1:Scalability
2:Packaging
3:Control
4:Homogeneity

002. Cluster architecture can be designed to eliminate all single points of failure through redundancy. (2 分是非題)

正確答案為:是 本題詳解:因為叢集的設計架構中當有其中1台機器無法運作也不會對其運作有太大的影響(week5教材-p14)




003. The cluster nodes can be connected in ________ way. (3 分複選題)

正確答案為:(1)(3)(4) 本題詳解:叢集節點用1.Shared-nothing 2.Shared-disk 3.Shared-memory 三種方式連接(week5教材-p27)

1:Shared-nothing
2:Shared-cache
3:Shared-disk
4:Shared-memory

004. Classified into three types from the viewpoint of a process includes: (3 分複選題)

正確答案為:(1)(2)(3) 本題詳解:叢集節點角色分為3種形態1.Home node 2.Local node 3.Remote node(week5教材-p43)

1:Home node
2:Local node
3:Remote node
4:Company node
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線上測驗 Week6

001. Design Objectives of Clusters include: (2 分複選題)

正確答案為:(1)(2)(3)(4) 本題詳解:叢集的設計考慮面向如下1.Scalability 2.Packaging 3.Control 4.Homogeneity 5.Security(week5教材-p8)

1:Scalability
2:Packaging
3:Control
4:Homogeneity

002. Cluster architecture can be designed to eliminate all single points of failure through redundancy. (2 分是非題)

正確答案為:是 本題詳解:因為叢集的設計架構中當有其中1台機器無法運作也不會對其運作有太大的影響(week5教材-p14)




003. The cluster nodes can be connected in ________ way. (3 分複選題)

正確答案為:(1)(3)(4) 本題詳解:叢集節點用1.Shared-nothing 2.Shared-disk 3.Shared-memory 三種方式連接(week5教材-p27)

1:Shared-nothing
2:Shared-cache
3:Shared-disk
4:Shared-memory

004. Classified into three types from the viewpoint of a process includes: (3 分複選題)

正確答案為:(1)(2)(3) 本題詳解:叢集節點角色分為3種形態1.Home node 2.Local node 3.Remote node(week5教材-p43)

1:Home node
2:Local node
3:Remote node
4:Company node
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線上測驗 Week7

001. Depending on implementation technologies, virtualization can be classified into two types: (2 分複選題)

正確答案為:(2)(4) 本題詳解:根據實現的技術,虛擬化能被分為1.full virtualization 2.para-virtualization 兩種形態(week7教材-p11)

1:single virtualization
2:full virtualization
3:host-based virtualization
4:para-virtualization

002. Full virtualization combines binary translation and direct execution. (2 分是非題)

正確答案為:是 本題詳解:Full virtualization包含二位元轉換以及直接執行(week7教材-p15)




003. Guset OS, with para-virtualization, should not be modified to use special APIs provided by VMM. (2 分是非題)

正確答案為:非  本題詳解:在para-virtualization中guest OS必須要被VMM修改成能執行特定的API(week7教材-p12)




004. An ESX-enabled server consists of four components: (2 分複選題)

正確答案為:(1)(2)(3)(4) 本題詳解:ESX-enabled server包含4個元件1.A virtualization layer 2.A resource manager 3.Hardware interface components 4.Service console(week7教材-p26)

1:A virtualization layer
2:A resource manager
3:Hardware interface components
4:Service console

005. Which of the followings are correct? (2 分複選題)

正確答案為:(1)(3)(4) 本題詳解:在week7教材-p24有列出各種軟體或是平台對應的架構1.VMware Workstation屬於full virtualization 2.VMware ESX server屬於para-virtualization 3.Xen屬於para-virtualization 4.Xen屬於Hypervisor 5.KVM屬於para-virtualization

1:VMware Workstation belongs to full virtualization
2:VMware ESX server belongs to full virtualization
3:Xen belongs to para-virtualization
4:Xen belongs to Hypervisor
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線上測驗 Week10

001. If master discover a node fails, it re-executes the completed as well as in-progress map tasks on other nodes that are alive. (2 分是非題)

正確答案為:是 本題詳解:如果有一個node發生錯誤不能執行,那會在其他存活的node上面完整的重新執行map(week10教材-p32)




002. MapReduce hides he details of __________. (2 分複選題)

正確答案為:(1)(2)(3)(4) 本題詳解:MapReduce會隱藏1.parallelization 2.fault-tolerance 3.locality optimization 4.load balancing程式開發者不需要去特別設計(week10教材-p33)

1:parallelization
2:fault-tolerance
3:locality optimization
4:load balancing

003. Hadoop application category include: (2 分複選題)

正確答案為:(1)(2)(3)(4)  

1:Serach
2:Log processing
3:Recommendation system
4:Data warehouse

004. Hadoop mapreduce express complex tasks in the form of Maps and Reduces to enable large-scale processing of data. (2 分是非題)

正確答案為:是 本題詳解:Hadoop mapreduce可以處理複雜的工作處理大筆的資料(week10教材-p50)




005. which situation shouldn't use HDFS? (2 分複選題)

正確答案為:(1)(3)(4) 本題詳解:不適合使用HDFS的情況1.Low lantency data access 2.Lots of small files 3.Multiple writes, arbitrary file modifications(week10教材-p63)

1:Low lantency data access
2:High lantency data access
3:Lots of small files
4:Multiple writes, arbitrary file modifications
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線上測驗 Week11

001. GQL is based on bigtable technique which is a key-value datastore. (2 分是非題)

正確答案為:是 本題詳解:GQL是基於bigtable的技術,是利用key-value儲存資訊(week11教材-p28)




002. Google app engine is __________ in cloud-computation system. (2 分單選題)

正確答案為:(1) 本題詳解:Google App Engine是一種PaaS(week11教材-p8)

1:platform as a service(PaaS)
2:infrastructure as a service(IaaS)
3:software as a service(SaaS)
4:None of the above

003. GAE support programming language include: (2 分複選題)

正確答案為:(1)(3)(4) 本題詳解:GAE支援的程式語言包含1.Python 2.Java 3.Go(week11教材-p8)

1:Python
2:C
3:Java
4:Go

004. GAE is suitable for high-computation jobs. (2 分是非題)

正確答案為:非 本題詳解:GAE不適合大量計算的工作(week11教材-p33)




005. The features of GAE? (2 分複選題)

正確答案為:(1)(2)(3)(4) 本題詳解:GAE的特色包含1.Does one thing well 2.Simple app configuration 3.Scalable 4.Secure(week11教材-p12)

1:Does one thing well
2:Simple app configuration
3:Scalable
4:Secure
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線上測驗 Week12

001. Distributed File System (GFS) is a large-scale distributed file system. (3 分是非題)

正確答案為:是 本題詳解:Distributed File System (GFS)是一個大範圍分散式檔案系統(week12教材-p14)




002. Each SSTable corresponds to a batch of updates or a snapshot of the tablet taken at some earlier time. (3 分是非題)

正確答案為:是 本題詳解:每一個SSTable對應一個批量更新或採用的先前的快照(week12教材-p29)




003. Master's jobs include: (2 分複選題)

正確答案為:(1)(2)(3)(4)  本題詳解:Master的工作包含1.Schedules tablets assignments 2.Load-balance 3.Health check of tablet servers 4.Garbage collection management(week12教材-p15)

1:Schedules tablets assignments
2:Load-balance
3:Health check of tablet servers
4:Garbage collection management

004. Periodically compact all SSTables for tablet into new base SSTable on GFS. (2 分是非題)

正確答案為:是 本題詳解:定期將所有SSTables放入在GFS上的新SSTable(week12教材-p34)


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線上測驗 Week13

001. 下列哪些是OpenStack的三大模組? (3 分複選題)

正確答案為:(1)(2)(3) 本題詳解:week13課程part1投影片的 p.4

1:Compute
2:Networking
3:Storage
4:Image analyzing

002. Nova提供什麼服務? (2 分單選題)

正確答案為:(4) 本題詳解:week13課程part1投影片的 p.16

1:It provides discovery, registration and delivery services for disk and server images.
2:Object store allows you to store or retrieve files.
3:It is a framework for authentication and authorization for all the OpenStack services.
4:It provides virtual servers upon demand.

003. 以下哪個是NEUTRON提供的服務? (3 分單選題)

正確答案為:(4) 本題詳解:week13課程part1投影片的 p.19

1:Access and Security
2:Instances Management
3:Image Service
4:Networking

004. Neutron 啟動時總共要開啟哪些服務 (2 分複選題)

正確答案為:(1)(2)(3) 本題詳解:week13課程part2投影片的 p.82

1:neutron-metadata-agent , nova-api
2:neutron-server , neutron-linuxbridge-agent
3:neutron-dhcp-agent , neutron-metadata-agent
4:nova-compute,nova-consoleauth
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線上測驗 Week14

001. EBS volumes are network-attached, and persist independently from the life of an instance. (2 分是非題)

正確答案為:是 本題詳解:EC2 instance藉由網路來存取EBS,而且EBS可以獨立於EC2 instance保存,意思是可以與一個正在運行 EC2 instance相連接且在instance中顯示為一個裝置,EC2 instance刪除或是關機時,EBS裡面的資料還是存在(week14教材-p10)




002. Amazon EMR is a web service that enables users to easily and cost-effectively process vast amounts of data. (2 分是非題)

正確答案為:是 本題詳解:Amazon Elastic MapReduce ,簡稱EMR ,他的目的是讓使用者更容易建立自己的Hadoop cluster,EMR會準備好EC2虛擬機器,建立好Hadoop cluster,使用者只需要實做好mapper和reducer就可以放上去執行,繁瑣的cluster設定和機器管理交給EMR就可以(week14教材-p8)




003. AWS is a comprehensive cloud services platform that offers IT infrastructure services including _________ to businesses. (2 分複選題)

正確答案為:(1)(2)(3)(4) 本題詳解:AWS是一個服務涵蓋範圍很廣的雲端服務平台,具體來說,AWS以web services的方式提供IT基礎設施給企業,包含1.運算的能力 2.儲存3. 內容的傳遞等等(week14教材-p5)

1:compute power
2:storage
3:content delivery
4:other functionality

004. Auto Scaling allows you to scale Amazon EC2 capacity up or down automatically. (2 分是非題)

正確答案為:是 本題詳解:Auto Scaling,顧名思義,就是自動延展的功能,能自動延展的系統可以說是雲端運算很重要的特色之一,Auto Scaling可以藉由使用者的設定,自動增加EC2虛擬機器(week14教材-p9)




005. Elastic Beanstalk is built using familiar software stacks include: (2 分複選題)

正確答案為:(1)(2)(4) 本題詳解:為了保證應用服務的可攜性,Beanstalk可以使用一般大眾熟悉的software stack,例如可以Apache HTTP Server for PHP and Python,Passenger for Ruby,Apache Tomcat for Java,and Microsoft IIS for .NET web應用程式(week14教材-p17)

1:PHP
2:Python
3:C
4:Java

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