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Amazon Web Services (AWS.QUESTIONS WITH CORRECT ANSWERS
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Amazon Web Services (AWS
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Amazon Web Services (AWS)What is Cloud Computing? - ANSWERCloud computing is the practice of using a
network of remote servers to store, manage and process data, rather than a local server
or personal computer.
What is AWS? - ANSWERAWS stands for Amazon Web Services. It is a secure cloud
services platform offering compute power, database storage, content delivery and other
functionality to help businesses scale and grow.
What is SaaS? - ANSWERSaaS stands for Software as a Service which refers to a
completed software product that is run and managed by a third-party service provider.
Examples include Gmail and Office 365.
What is PaaS? - ANSWERPaaS stands for Platform as a Service and refers to
technologies that allow customers to develop, run, and manage applications without the
complexity of building and maintaining an IT infrastructure. Examples includes
application servers, web servers, and database systems.
What is IaaS? - ANSWERIaaS stands for Infrastructure as a Service and typically
provide access to networking features, computers, and data storage space. Examples
include processors, memory, hard drives and operating systems
What is the difference between regions and availability zones in AWS? -
ANSWERRegions refer to areas defined by Amazon that contain 2 or more availability
zones.
What are some advantages of using cloud computing services such as AWS? -
ANSWERScalability- Pay for what you use, gives you ability to add or remove resources
as needed.
Cost Effective - Eliminates cost of infrastructure maintainence, labor, resources, etc.
Flexibility - Allows you to mix and match services based on changing requirements for
your business.
Resiliency - Reduces downtime via auto scaling and other processes
What is EC2 and what can it be used for? - ANSWEREC2 stands for Elastic Cloud
Compute. This refers to virtual machine instances spun up in the cloud.
What are two forms of storage that you can use to persist data for your EC2? -
ANSWEREC2 Instance Store (part of the instance) or Elastic Block Storage (virtual
volume)
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