Microsoft Azure Fundamentals Exam Ref AZ-900 Practice Questions and Answers (100% Pass)
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Course
Microsoft Azure
Institution
Microsoft Azure
Microsoft Azure Fundamentals Exam Ref AZ-900
Practice Questions and Answers (100% Pass)
Describe the benefits and considerations of using Cloud Services - Answer️️ -
High Availability
Scalability & Elasticity
Agility
Fault Tolerance & DR
Principles of Economies of Scale
Differences betw...
Users of an application require _____ connectivity to the _____ - Answer✔️✔️-
Network
PCs
Applications require connectivity to the _____ such as _____ - Answer✔️✔️-Back-
end systems
database servers
Applications may also call into other _____ using a _____ - Answer✔️✔️-
Applications
Network
By moving to the cloud you gain the benefit of the cloud providers _____ and
additional _____ that comes with it - Answer✔️✔️-Infrastructure
Reliability
What are some causes of an application failure? - Answer✔️✔️-Software bug, but
also can be application design
In some cloud scenarios, you are responsible for application failures. Y/N -
Answer✔️✔️-Yes, but your cloud provider likely has tools to diagnose the failure
Which Azure service integrates with your application to give detailed information
about the performance and reliability of your application? - Answer✔️✔️-
Application Insights
How does a system outage occur? - Answer✔️✔️-When the computer running a
particular system becomes unavailable
What makes it easy to add additional computers when necessary? - Answer✔️✔️-
VMs
Depending on the cloud service you choose, you may or may not be responsible for
maintaining your VMs. Y/N - Answer✔️✔️-Yes
Is the Cloud Provider able to monitor the health of VMs and recover an unhealthy
VM? - Answer✔️✔️-Yes
What is critical to availability? - Answer✔️✔️-Reliable electricity
What do Cloud Providers utilize in order to prevent availability problems due to
power outages? - Answer✔️✔️-Battery-Operated power backup and other redundant
systems
Are Cloud Providers able to run your application from another region that isn't
impacted? - Answer✔️✔️-Yes
What are some benefits to hosting your application in the cloud? - Answer✔️✔️-
Troubleshooting, alerting, and diagnosis tools provided by the Cloud Provider
What is the best way to minimize cost? - Answer✔️✔️-Only using the resources
necessary for your purpose
What is Scaling? - Answer✔️✔️-Adding additional resources or additional power for
your application
What is horizontal scaling? - Answer✔️✔️-Adding additional VMs for your
application
What is vertical scaling? - Answer✔️✔️-Moving to a new VM with additional
resources
What is the concept of automatic scaling? - Answer✔️✔️-Elasticity
Name the Azure service that can automatically scale applications based on usage
patterns, resource utilization, time of day, etc. - Answer✔️✔️-Auto-Scale
What is Cloud Agility? - Answer✔️✔️-The ability to quickly scale
What is Fault Tolerance? - Answer✔️✔️-Automatically move you from an
unhealthy system onto a healthy system
What is Disaster Recovery? - Answer✔️✔️-Replicating your application's resources
to an unaffected region, as well as having reliable backups
In an On-Premises model, is physical computer hardware used for IT needs
considered CapEx or OpEx? - Answer✔️✔️-Capital Expenditure
Why might you not want to choose the on-premises model? - Answer✔️✔️-
Hardware becomes outdated and isn't agile
In a Cloud Model, why are IT costs moved from CapEx to OpEx? - Answer✔️✔️-
You're basically renting the hardware
Explain the principle of economies of scale. - Answer✔️✔️-Cloud provider
purchases such a large scale of resources that the price is reduced and thus savings
are passed on to consumers of the cloud
What is a consumption-based model? - Answer✔️✔️-The ability to use only those
computing resources you require at any particular time
Are you able to only pay for the time you consume computer resources? -
Answer✔️✔️-Yes
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