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Question 70
A retailer is told cloud platforms provide unlimited resources instantly. Which Azure setup action best follows from this scenario?
- Review target subscription quotas before a large burst allocation.
- Separate private factory systems from public-facing portal access paths.
- Provision extra compute for tax season and remove it afterward.
- Place services on contractor-controlled private infrastructure with approved self-service.
Explanation
Correct Answer
A:Review target subscription quotas before a large burst allocation. The implementation operationalizes this design choice: Treat cloud scale as elastic but still subject to quotas and regional availability. Acceptance should demonstrate: Capacity tests stay within approved quota and supported region stock.
Incorrect Answers
B:That action implements a different requirement: A factory wants network links and local devices to stay private but run a customer portal in Azure. It does not establish the required result in this case: Capacity tests stay within approved quota and supported region stock.
C:This change would be appropriate under a different condition: A tax preparer wants temporary infrastructure during filing season rather than owning idle servers all year. Here it would not validate: Capacity tests stay within approved quota and supported region stock.
D:This setup is relevant to another workload: A government contractor cannot share facility infrastructure and must operate computing under its direct control. The current configuration must instead achieve: Capacity tests stay within approved quota and supported region stock.
Question 71
A retailer is told cloud platforms provide unlimited resources instantly. Which verification outcome should the team expect from the right design?
- The function executes when a matching event arrives without a dedicated always-on VM.
- Capacity tests stay within approved quota and supported region stock.
- The selection tolerates low usage without paying for large unused committed capacity.
- The short-lived infrastructure cost follows actual consumed capacity.
Explanation
Correct Answer
B:Capacity tests stay within approved quota and supported region stock. That directly tests the stated requirement: A retailer is told cloud platforms provide unlimited resources instantly. It contrasts with the observed failure: A burst fails with quota errors despite an autoscale rule.
Incorrect Answers
A:This observation is evidence for a separate scenario: A software team wants to execute small event-triggered handlers without permanently managing server instances. It does not test the necessary outcome here: Capacity tests stay within approved quota and supported region stock.
C:The test is relevant when a tax software team compares a pay-per-use option with prepaid cloud capacity for uncertain demand. It cannot establish the specified acceptance result: Capacity tests stay within approved quota and supported region stock.
D:This observation is evidence for a separate scenario: A tax preparer wants temporary infrastructure during filing season rather than owning idle servers all year. It does not test the necessary outcome here: Capacity tests stay within approved quota and supported region stock.
Question 72
A retailer is told cloud platforms provide unlimited resources instantly. The team observes: A burst fails with quota errors despite an autoscale rule. Which underlying mistake most directly explains the reported symptom?
- The team treated capacity scaling as equivalent to failure tolerance.
- It bought fixed peak infrastructure instead of using consumption-based resources.
- It interpreted serverless literally instead of as a responsibility abstraction.
- The scale expectation ignored resource quotas and eligible capacity limits.
Explanation
Correct Answer
D:The scale expectation ignored resource quotas and eligible capacity limits. That explains the symptom: A burst fails with quota errors despite an autoscale rule. The targeted corrective action is: Review target subscription quotas before a large burst allocation.
Incorrect Answers
A:This cause is consistent with a different issue: Autoscaling passes while a single-point failure still takes the app offline. It does not account for the reported symptom here: A burst fails with quota errors despite an autoscale rule.
B:The alternate mechanism would more directly produce this other failure: The organization pays for idle year-round servers despite short annual demand. The current incident instead involves: A burst fails with quota errors despite an autoscale rule.
C:That explanation belongs to a different fault pattern: The architecture review claims no infrastructure exists anywhere for a function. It does not explain why a burst fails with quota errors despite an autoscale rule.
Question 73
A mobile app calls a managed API thousands of times per day with variable demand. What is the most appropriate cloud concept or service for this need?
- Treat provider-run application infrastructure maintenance as the SaaS provider's task.
- Choose a private-cloud model when ownership and dedicated control are the overriding constraints.
- Choose a hybrid deployment whose cloud portal does not expose factory-control systems.
- Compare usage-based service billing with a fixed-capacity plan using the actual request pattern.
Explanation
Correct Answer
D:Compare usage-based service billing with a fixed-capacity plan using the actual request pattern. The governing requirement is: A mobile app calls a managed API thousands of times per day with variable demand. This solution specifically supports the outcome that cost projections account for the varying number of requests.
Incorrect Answers
A:This design is appropriate for a different requirement: A company uses a fully managed email SaaS and wants to know who maintains its mail-server hardware. Here the decisive outcome must instead be: Cost projections account for the varying number of requests.
B:That concept addresses this separate situation: A government contractor cannot share facility infrastructure and must operate computing under its direct control. It does not by itself establish the result required here: Cost projections account for the varying number of requests.
C:This option solves a different planning problem: A factory wants network links and local devices to stay private but run a customer portal in Azure. The current acceptance criterion is specific: Cost projections account for the varying number of requests.
Question 74
A mobile app calls a managed API thousands of times per day with variable demand. What should the team configure or perform to implement the correct approach?
- Create an eligible function with an event trigger and required permissions.
- Build equivalent workload cost estimates with consistent traffic and resilience assumptions.
- Measure expected request volume and eligible metered units before selecting a tier.
- Document recovery objectives and select appropriate cloud replication or backup arrangements.
Explanation
Correct Answer
C:Measure expected request volume and eligible metered units before selecting a tier. The implementation operationalizes this design choice: Compare usage-based service billing with a fixed-capacity plan using the actual request pattern. Acceptance should demonstrate: Cost projections account for the varying number of requests.
Incorrect Answers
A:This setup is relevant to another workload: A software team wants to execute small event-triggered handlers without permanently managing server instances. The current configuration must instead achieve: Cost projections account for the varying number of requests.
B:That action implements a different requirement: A logistics provider wants to compare two cloud providers using more than the hourly VM price. It does not establish the required result in this case: Cost projections account for the varying number of requests.
D:This setup is relevant to another workload: An enterprise wants to stop buying redundant backup-site hardware but still plan for outages. The current configuration must instead achieve: Cost projections account for the varying number of requests.
Question 75
A mobile app calls a managed API thousands of times per day with variable demand. Which evidence best confirms the requirement is being met?
- A planned WAN-disconnection test leaves critical local operations functioning.
- Cost projections account for the varying number of requests.
- Additional worker instances join service as demand passes a threshold.
- The guest OS is patched independently of the provider's physical-host servicing.
Explanation
Correct Answer
B:Cost projections account for the varying number of requests. That directly tests the stated requirement: A mobile app calls a managed API thousands of times per day with variable demand. It contrasts with the observed failure: The app exceeds its budget even though infrastructure looked idle.
Incorrect Answers
A:This observation is evidence for a separate scenario: A power utility wants critical local operations to continue during intermittent cloud connectivity. It does not test the necessary outcome here: Cost projections account for the varying number of requests.
C:The test is relevant when a retailer wants to add many similar web workers when concurrent shopping sessions increase. It cannot establish the specified acceptance result: Cost projections account for the varying number of requests.
D:This observation is evidence for a separate scenario: An IaaS virtual machine runs outdated guest operating-system packages after the host platform was patched. It does not test the necessary outcome here: Cost projections account for the varying number of requests.
Question 76
A mobile app calls a managed API thousands of times per day with variable demand. The team observes: The app exceeds its budget even though infrastructure looked idle. What is the most likely cause of the observed failure?
- It ignored differences in shared responsibility between IaaS and PaaS.
- The workload was deployed on always-on infrastructure rather than event-triggered compute.
- The budget omitted metered API/request charges.
- Geographic placement was confused with deployment model ownership.
Explanation
Correct Answer
C:The budget omitted metered API/request charges. That explains the symptom: The app exceeds its budget even though infrastructure looked idle. The targeted corrective action is: Measure expected request volume and eligible metered units before selecting a tier.
Incorrect Answers
A:This cause is consistent with a different issue: The team plans identical patch workflows for raw VMs and a managed web platform. It does not account for the reported symptom here: The app exceeds its budget even though infrastructure looked idle.
B:The alternate mechanism would more directly produce this other failure: A permanent VM runs idle while waiting for rare events. The current incident instead involves: The app exceeds its budget even though infrastructure looked idle.
D:This cause is consistent with a different issue: A region selection is presented as proof of a private-cloud operating model. It does not account for the reported symptom here: The app exceeds its budget even though infrastructure looked idle.
Question 77
An insurer needs a distinction between geographic hosting and infrastructure ownership. Which architectural decision meets the described priority?
- Host the site in a public-cloud service operated by a cloud provider.
- Explain that cloud deployment model and Azure region describe different architectural choices.
- Prefer managed event execution over a manually patched dedicated machine where it fits.
- Separate infrastructure operation from customer-owned application configuration in the shared model.
Explanation
Correct Answer
B:Explain that cloud deployment model and Azure region describe different architectural choices. The governing requirement is: An insurer needs a distinction between geographic hosting and infrastructure ownership. This solution specifically supports the outcome that the design states who controls infrastructure as well as where workloads run.
Incorrect Answers
A:This design is appropriate for a different requirement: A small publisher wants its website online without operating a physical data center. Here the decisive outcome must instead be: The design states who controls infrastructure as well as where workloads run.
C:This option solves a different planning problem: A small firm with scarce IT staff is choosing an execution platform for event-based image processing. The current acceptance criterion is specific: The design states who controls infrastructure as well as where workloads run.
D:This design is appropriate for a different requirement: A customer asks whether public-cloud facilities mean customer applications are managed by Microsoft. Here the decisive outcome must instead be: The design states who controls infrastructure as well as where workloads run.
Question 78
An insurer needs a distinction between geographic hosting and infrastructure ownership. Which configuration or operating action most directly puts that decision into practice?
- Document which controls Microsoft operates and which remain customer tasks.
- Record both the chosen operating model and the required geographic deployment location.
- Place services on contractor-controlled private infrastructure with approved self-service.
- Review target subscription quotas before a large burst allocation.
Explanation
Correct Answer
B:Record both the chosen operating model and the required geographic deployment location. The implementation operationalizes this design choice: Explain that cloud deployment model and Azure region describe different architectural choices. Acceptance should demonstrate: The design states who controls infrastructure as well as where workloads run.
Incorrect Answers
A:This setup is relevant to another workload: A payments application needs clear division of security duties between Azure and its customer. The current configuration must instead achieve: The design states who controls infrastructure as well as where workloads run.
C:This change would be appropriate under a different condition: A government contractor cannot share facility infrastructure and must operate computing under its direct control. Here it would not validate: The design states who controls infrastructure as well as where workloads run.
D:This setup is relevant to another workload: A retailer is told cloud platforms provide unlimited resources instantly. The current configuration must instead achieve: The design states who controls infrastructure as well as where workloads run.
Question 79
An insurer needs a distinction between geographic hosting and infrastructure ownership. Which observation is the strongest acceptance test for this scenario?
- Restricted instrument commands stay on premises while allowed analysis runs in cloud.
- The design states who controls infrastructure as well as where workloads run.
- Each workload placement matches its documented operational-control constraints.
- The owner map keeps application configuration with the correct party.
Explanation
Correct Answer
B:The design states who controls infrastructure as well as where workloads run. That directly tests the stated requirement: An insurer needs a distinction between geographic hosting and infrastructure ownership. It contrasts with the observed failure: A region selection is presented as proof of a private-cloud operating model.
Incorrect Answers
A:This observation is evidence for a separate scenario: A research laboratory has highly restricted on-premises instruments but needs cloud analytics for approved exports. It does not test the necessary outcome here: The design states who controls infrastructure as well as where workloads run.
C:The test is relevant when a bank is choosing between private, public, and hybrid infrastructure for workloads with different residency rules. It cannot establish the specified acceptance result: The design states who controls infrastructure as well as where workloads run.
D:This observation is evidence for a separate scenario: A customer asks whether public-cloud facilities mean customer applications are managed by Microsoft. It does not test the necessary outcome here: The design states who controls infrastructure as well as where workloads run.
Question 80
An insurer needs a distinction between geographic hosting and infrastructure ownership. The team observes: A region selection is presented as proof of a private-cloud operating model. Which planning or configuration error best accounts for this result?
- It mistook service categories for sequential adoption stages.
- The team treated capacity scaling as equivalent to failure tolerance.
- Geographic placement was confused with deployment model ownership.
- A cloud-dependent execution path remained in an application requiring local continuity.
Explanation
Correct Answer
C:Geographic placement was confused with deployment model ownership. That explains the symptom: A region selection is presented as proof of a private-cloud operating model. The targeted corrective action is: Record both the chosen operating model and the required geographic deployment location.
Incorrect Answers
A:This cause is consistent with a different issue: Architecture policy insists every app must start with IaaS and end with SaaS. It does not account for the reported symptom here: A region selection is presented as proof of a private-cloud operating model.
B:The alternate mechanism would more directly produce this other failure: Autoscaling passes while a single-point failure still takes the app offline. The current incident instead involves: A region selection is presented as proof of a private-cloud operating model.
D:This cause is consistent with a different issue: Critical field control stops whenever a cloud endpoint is unreachable. It does not account for the reported symptom here: A region selection is presented as proof of a private-cloud operating model.
Microsoft Azure Fundamentals (AZ-900) Practice Tests