Platform as a Service

It is more than what is provided by an infrastructure

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QUESTION OF
Views #: 579
Questions #: 11
Time: 10 minutes
Pass Score: 80.0%
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Platform as a service delivers what can be called a _________

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A _____ stack is an integrated set of software that provides everything a developer needs to build an application — for both software development and runtime

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PaaS can be viewed as an evolution of ______ hosting

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PaaS takes web sites development a step further

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Web hosting companies have provided fairly complete software stacks for developing Web sites. PaaS takes this idea a step farther by providing _________ capabilities to manage all software development stages from planning and design, to building and deployment, to testing and maintenance

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The primary benefit of PaaS is having software development and deployment capability based entirely in the __________

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PaaS primary architecture

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PaaS is inherently (1) and naturally supports the whole set of (2) services standards and is usually delivered with (3) scaling

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Web
Static
dynamic
Network
multi-tenant
single-tenant
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In reference to Platform as a Service, dynamic scaling means that the software can be ________ scaled up or down

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Platform as a Service typically addresses the need to scale as well as the need to separate concerns of access and data security for its customers

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The major drawback of Platform as a Service is that it may lock you in to the use of a particular development environment and stack of software components

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Open Platform as a Service

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Open Platform as a Service offers the same approach as Platform as a Service.  It is just another name and still has the same disadvantage of locking customers to a specific software stack

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Examples of PaaS environments

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Some examples of Platform as a Service include the Google App Engine, AppJet, Etelos, Qrimp, and Force.com, which is the official development environment for Salesforce.com. See the “Salesforce.com and automation application” sidebar elsewhere in this chapter for more on this pioneering example of Platform as a Service.

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Keywords
Year 11