Platform as a Service

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by Dr. Osama M. Khaled last modified 2022-12-27T07:06:31+00:00

It is more than what is provided by an infrastructure

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

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 __________

Missing
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PaaS primary architecture

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

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

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.

Acknowledged
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