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Which of the following statements is true about cloud computing? |
The elastic leasing of pooled computer resources over the internet is called the cloud. |
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Which of the following is a reason for the term elastic being used to define the cloud? |
Computing resources can be increased or decreased dynamically in cloud-based hosting. |
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An organization that hires cloud services ________. |
can limit the response time of its web pages. |
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Which of the following is true of Web services? |
They are SOA-designed programs that comply with Web service standards. |
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Which of the following statements is true about cloud services? |
Financial institutions are not likely to hire cloud services from a vendor. |
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Which of the following statements is true of cloud-based and in-house hosting? |
Cloud-based hosting reduces the visibility of the security being used to protect data. |
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Which of the following statements is true about the increase in popularity of cloud hosting? |
Virtualization allows instantaneous creation of new virtual machines. |
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Phobas Inc. offers an online service which stores notes made by customers on the cloud. When a customer enters notes on one device, it gets updated in all the devices he/she owns. Which of the following cloud-based offerings is being provided to the customers? |
software as a service (SaaS) |
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An online service allows users to integrate their phonebook with their social media profiles and stores it on the cloud. The phonebook is updated with pictures of contacts when they are uploaded on social media sites. Which of the following cloud-based offerings is being provided to the users? |
software as a service (SaaS) |
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The cloud-based service that provides the hardware and allows customers to load an operating system of their choice is known as ________. |
infrastructure as a service (IaaS) |
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A ________ is a system of hardware and software that stores user data in many different geographical locations and makes that data available on demand. |
content delivery network |
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Which of the following is a disadvantage of a content delivery network? |
It is better suited to store and deliver content that seldom changes. |
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Which of the following statements is true of content delivery networks (CDNs)? |
They reduce users’ access costs by delivering data faster. |
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An internal information system built using Web services ________. |
is a cloud-based technology if it offers elasticity |
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Which of the following is a reason why an internal information system (private internet) that uses Web services is not considered a cloud? |
The number of servers is fixed in a private internet and is not made elastic. |
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Which of the following services provides hardware, an operating system, and a database management system (DBMS) on a cloud-based offering? |
platform as a service (PaaS) |
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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? |
platform as a service (PaaS) |
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If an organization opts for software as a service (SaaS), it will have to ________. |
transfer data and develop procedures |
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Which of the following statements is true of private clouds? |
Idle servers in a private cloud cannot re-allocated to other organizations. |
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Which of the following is a characteristic of a private cloud? |
Most organizations avoid having multiple database servers in a private cloud. |
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Which of the following statements is true of a virtual private cloud (VPC)? |
A VPC can be built on public cloud infrastructure. |
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Which of the following is a difference between a virtual private network (VPN) and a virtual private cloud (VPC)? |
A VPC provides the advantages of cloud storage, but a VPN by itself cannot provide these advantages. |
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Which of the following is an advantage of using a private cloud over a virtual private cloud (VPC)? |
Unlike a VPC, a private cloud does not require permission from regulating bodies to host sensitive data. |
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What is a VPN (virtual private network)? |
It uses the Internet to create secure point-to-point connections. |
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Which of the following is true of a VPN (virtual private network)? |
A VPN communication is secure even though it is transmitted over the public Internet. |
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Which of the following is a characteristic of a virtual private network (VPN)? |
It sends encrypted messages over the public Internet. |
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Which of the following is likely to be a consequence of cloud computing in the future? |
The cost of obtaining elastic resources will decrease. |
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A system uses cameras and motion-sensing equipment to issue tickets for traffic violations. This system is an example of ________. |
telelaw enforcement |
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Using https instead of http ________. |
allows a packet sniffer to see only the site visited and nothing further |
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