AZ-900 (2024) Questions and Answers
What is cloud computing?
Delivery of computing services over the internet
What is some common IT infrastructure?
Virtual machines, storage, databases and networking
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AZ-900 (2024) Questions and Answers
What is cloud computing? - answer Delivery of computing services over the internet
What is some common IT infrastructure? - answer Virtual machines, storage,
databases and networking
What is the shared responsibility model ? - answer
What does IaaS mean? - answer Infrastructure as a Service
What does Paas mean ? - answer Platform as a Service
What does Saas mean ? - answer Software as a Service
What are the responsibilities of the cloud provider for Saas, Paas, Iaas and on-premises
ALWAYS responsible for? - answer information and data stored in the cloud, device
allowed to connect to the cloud, accounts and identities
What responsibilities are the cloud provider ALWAYS responsible for? - answer
physical datacenter, physical network and physical hosts
Responsibilities varied by types? - answer review chart
what is a cloud model? - answer define the deployment type of cloud resources.
what are the three main cloud models ? - answer private, public, hybrid
what is the natural evolution from a corporate datacenter ? - answer Private Cloud
what is a public cloud ? - answer A public cloud is built, controlled, and maintained
by a third-party cloud provider. With a public cloud, anyone that wants to purchase
cloud services can access and use resources.
what is the key difference between the private and public cloud ? - answer the
availability to the public
What is a hybrid cloud ? - answer a computing environment that uses both public
and private clouds in an inter-connected environment.
Aspects of public cloud - answer -No capital expenditures to scale up
-Applications can be quickly provisioned and deprovisioned
-Organizations pay only for what they use
-Organizations don't have complete control over resources and security
, Aspects of private cloud - answer -Organizations have complete control over
resources and security
-Data is not collocated with other organizations' data
-Hardware must be purchased for startup and maintenance
-Organizations are responsible for hardware maintenance and updates
Aspects of hybrid cloud - answer -Provides the most flexibility
-Organizations determine where to run their applications
-Organizations control security, compliance, or legal requirements
what is multi-cloud ? - answer Using several cloud storage and computing providers
simultaneously
what is Azure Arc and what does it do ? - answer a set of technologies that helps
manage your cloud environment.
- it helps manage your cloud environment
What is the consumption-based model? - answer
what are the two types of expenses to consider when comparing IT infrastructure
models? - answer Captial expenditure( CapEx) and operational expenditure (OpEx)
what is CapEx? - answer is typically a one-time, up-front expenditure to purchase or
secure tangible resources.
Give examples of CapEx ? - answer A new building, repaving the parking lot,
building a datacenter, or buying a company vehicle are examples of CapEx.
What is OpEx ? - answer is spending money on services or products over time.
Give examples of OpEx - answer Renting a convention center, leasing a company
vehicle, or signing up for cloud services are all examples of OpEx.
what type of consumption does cloud computing fall under ? - answer OpEx
what are the benefits of Opex consumption-based model ? - answer -No upfront
costs.
-No need to purchase and manage costly infrastructure that users might not use to its
fullest potential.
-The ability to pay for more resources when they're needed.
-The ability to stop paying for resources that are no longer needed.
Cloud computing is the delivery of computing services over the internet by ... - answer
using a pay-as-you-go pricing model
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