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Microsoft Azure Fundamentals Exam Ref AZ-900 300 QUESTIONS AND ANSWERS.

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Microsoft Azure Fundamentals Exam Ref AZ-900 300 QUESTIONS AND ANSWERS.Microsoft Azure Fundamentals Exam Ref AZ-900 300 QUESTIONS AND ANSWERS. Microsoft Azure Fundamentals Exam Ref AZ-900 300 QUESTIONS AND ANSWERS. Microsoft Azure Fundamentals Exam Ref AZ-900 300 QUESTIONS AND ANSWERS.

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Contains Questions & answers

microsoft azure fundamentals exam ref az 900 300 q
microsoft azure fundamentals exam ref az 900 300
microsoft azure fundamentals exam ref az 900 300 q
microsoft azure fundamentals exam ref az 900 300

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Course RN nursing

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Microsoft Azure Fundamentals
Exam Ref AZ-900 300
QUESTIONS AND ANSWERS
1. Describe the benefits and considerations of using Cloud Services: High
Availability
Scalability & Elasticity
Agility
Fault Tolerance & DR
Principles of Economies of Scale
Differences between CapEx and OpEx
Consumption-based Model

2. Why might you lose availability?: Network Outage
Application Failure
System Outage (VM)
Power Outage
Problem with Reliant System (external database)

3. Cloud providers offer a service-level agreement that guarantees what?: A
certain level of availability as a percentage
4. An SLA will usually guarantee an uptime close to 100%, but it only
covers what?: Systems that are controlled by the Cloud Provider

5. All applications require some level of _____ connectivity: Network
6. Users of an application require _____ connectivity to the _____: Network
PCs
7. Applications require connectivity to the _____ such as _____: Back-end
systems
database servers

, Microsoft Azure Fundamentals Exam Ref AZ-900
.
8. Applications may also call into other _____ using a _____: Applications
Network
9. By moving to the cloud you gain the benefit of the cloud providers _____
and additional _____ that comes with it: Infrastructure
Reliability
10. What are some causes of an application failure?: Software bug, but also
can be application design
11. In some cloud scenarios, you are responsible for application failures.
Y/N: Yes, but your cloud provider likely has tools to diagnose the failure
12. Which Azure service integrates with your application to give detailed
information about the performance and reliability of your application?:
Application Insights
13. How does a system outage occur?: When the computer running a particular
system becomes unavailable
14. What makes it easy to add additional computers when necessary?: VMs
15 Depending on the cloud service you choose, you may or may not be
responsible for maintaining your VMs. Y/N: Yes
16. Is the Cloud Provider able to monitor the health of VMs and recover an
unhealthy VM?: Yes
17. What is critical to availability?: Reliable electricity
18. What do Cloud Providers utilize in order to prevent availability problems
due to power outages?: Battery-Operated power backup and other
redundant systems
19. Are Cloud Providers able to run your application from another region
that isn't impacted?: Yes
20. What are some benefits to hosting your application in the cloud?:
Troubleshooting, alerting, and diagnosis tools provided by the Cloud Provider
21. What is the best way to minimize cost?: Only using the resources
necessary for your purpose
22. What is Scaling?: Adding additional resources or additional power for your
application
23. What is horizontal scaling?: Adding additional VMs for your application
24. What is vertical scaling?: Moving to a new VM with additional resources
25. What is the concept of automatic scaling?: Elasticity
26. Name the Azure service that can automatically scale applications based
on usage patterns, resource utilization, time of day, etc.: Auto-Scale

, Microsoft Azure Fundamentals Exam Ref AZ-900
.
27. What is Cloud Agility?: The ability to quickly scale
28. What is Fault Tolerance?: Automatically move you from an unhealthy system
onto a healthy system
29. What is Disaster Recovery?: Replicating your application's resources to an
unaffected region, as well as having reliable backups
30. In an On-Premises model, is physical computer hardware used for IT
needs considered CapEx or OpEx?: Capital Expenditure
31. Why might you not want to choose the on-premises model?: Hardware
becomes outdated and isn't agile
32. In a Cloud Model, why are IT costs moved from CapEx to OpEx?: You're
basically renting the hardware
33. Explain the principle of economies of scale.: 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
34. What is a consumption-based model?: The ability to use only those
computing resources you require at any particular time
35. Are you able to only pay for the time you consume computer
resources?: Yes
36 What should you balance when evaluating your use of the cloud?: The
need for controlling resources against the convenience of allowing the cloud
provider to handle it
37. As a cloud consumer, in which scenario do you have the most control?
The least control? IaaS, PaaS, SaaS: PaaS
SaaS
38. What is the Cloud Provider responsible for in an IaaS offering?: Providing
the VM
39. What are you responsible for in an IaaS offering?: Installing the OS,
handling patches with security updates, and troublshooting
40. Which scenario do you usually have remote access to your VMs?: IaaS, if
you move to PaaS or SaaS you usually lose this ability as the infrastructure is
managed by the cloud provider
41. What are some Azure Services that become available when you have an
IaaS VM running in Azure?: Azure Security Center - security
Azure Backup - backups
Azure Log Analytics - troublseshooting

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Exam (elaborations)

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