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Which of the following statements is true of content delivery networks (CDNs) ?


A) They reduce users' access costs by delivering data faster.
B) They distribute data on different servers without any data replication.
C) Users receive content from the CDN server that is geographically closest.
D) A routing server decides which server should deliver content on an hourly basis.

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Which of the following statements is true of a virtual private cloud (VPC) ?


A) A VPC does not make use of a VPN (virtual private network) .
B) An organization generally stores its most sensitive data on a VPC.
C) A VPC can be accessed only from within an organization.
D) A VPC can be built on public cloud infrastructure.

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Remote action systems increase time and travel expenses.

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Why is the term "pooled" used to describe the cloud?

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Cloud resources are pooled because many ...

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Cloud computing is likely to lead to an increase in the number of technology-based startups.

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Sireus Corp.is availing a cloud-based service.It plans to install a software package that will offer cloud services to its users.If it would like to avoid installing an operating system on the server,which of the following services should it choose?


A) network as a service (NaaS)
B) infrastructure as a service (IaaS)
C) platform as a service (PaaS)
D) software as a service (SaaS)

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Large Web farms are likely to replace in-house servers used by small companies due to the benefits of cloud computing.

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A routing server determines which CDN server should respond to a request in real-time.

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What is infrastructure as a service (IaaS)?

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The most basic cloud offering is the Inf...

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A tunnel is a virtual,private pathway over a public or shared network from the VPN (virtual private network)client to the VPN server.

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An organization's internal IS that does not provide elasticity is still considered a cloud-based technology.

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Which of the following is true of a VPN (virtual private network) ?


A) A VPN communication is secure even though it is transmitted over the public Internet.
B) One disadvantage of a VPN is that it does not encrypt messages.
C) Remote access is difficult in case of a VPN.
D) It is a physical, private pathway over a public or shared network from the client to the server.

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Which of the following statements is true about cloud computing?


A) The elastic leasing of pooled computer resources over the Internet is called the cloud.
B) A cloud is a peer-to-peer network used to share data between users.
C) Cloud-based hosting does not operate over the Internet.
D) Any network of servers hosted in-house by an organization for its own requirements is regarded as a cloud.

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Which of the following is a characteristic of a private cloud?


A) Organizations define their own set of standards for interactions between programs.
B) Idle servers on a private cloud can be allocated to other organizations.
C) A private cloud is most likely to be built by a small organization.
D) Most organizations avoid having multiple database servers in a private cloud.

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Explain how software as a service (SaaS)works.

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Software as a service (SaaS)is a categor...

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Which of the following is a reason for the term elastic being used to define the cloud?


A) Computing resources can be increased or decreased dynamically in cloud-based hosting.
B) Operations staff manually allots fresh resources when the traffic increases.
C) Customers are provided a consistent bandwidth on the cloud.
D) Resources available for cloud-hosting are shared among customers.

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What is a virtual private cloud? How does it differ from a private cloud?

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A virtual private cloud (VPC)is a subset...

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What is the cloud?

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The cloud is defined as the elastic leas...

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The connection between a VPN client and a VPN server is called a tunnel.

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What is a content delivery network? What are its advantages?

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A content delivery network (CDN)is a sys...

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