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Question 30
A retailer wants to add many similar web workers when concurrent shopping sessions increase. Which configuration or operating action most directly puts that decision into practice?
- Budget monthly usage for the chosen Azure services instead of capitalizing server hardware.
- Document which controls Microsoft operates and which remain customer tasks.
- Configure an eligible scale set or autoscale rule to add worker instances.
- Resize the VM to a supported size with sufficient RAM after compatibility checks.
Explanation
Correct Answer
C:Configure an eligible scale set or autoscale rule to add worker instances. The implementation operationalizes this design choice: Select horizontal scaling by adding instances instead of enlarging one machine. Acceptance should demonstrate: Additional worker instances join service as demand passes a threshold.
Incorrect Answers
A:This setup is relevant to another workload: A healthcare group compares capital equipment expense against monthly operating expense for new servers. The current configuration must instead achieve: Additional worker instances join service as demand passes a threshold.
B:That action implements a different requirement: A payments application needs clear division of security duties between Azure and its customer. It does not establish the required result in this case: Additional worker instances join service as demand passes a threshold.
D:This setup is relevant to another workload: A scientific simulation requires more memory in a single process rather than a larger pool of workers. The current configuration must instead achieve: Additional worker instances join service as demand passes a threshold.
Question 31
A retailer wants to add many similar web workers when concurrent shopping sessions increase. Which observation is the strongest acceptance test for this scenario?
- The cross-provider comparison uses the same workload and expense categories.
- Additional worker instances join service as demand passes a threshold.
- Compute charges stop after deallocation while residual resource costs remain visible.
- The chosen pricing commitment fits the sustained usage without assuming all services are eligible.
Explanation
Correct Answer
B:Additional worker instances join service as demand passes a threshold. That directly tests the stated requirement: A retailer wants to add many similar web workers when concurrent shopping sessions increase. It contrasts with the observed failure: Only the original server gets larger despite a requirement for multiple workers.
Incorrect Answers
A:This observation is evidence for a separate scenario: A logistics provider wants to compare two cloud providers using more than the hourly VM price. It does not test the necessary outcome here: Additional worker instances join service as demand passes a threshold.
C:The test is relevant when a charity wants to pay only for temporary virtual machines used during annual fundraising. It cannot establish the specified acceptance result: Additional worker instances join service as demand passes a threshold.
D:This observation is evidence for a separate scenario: A museum has a predictable continuous workload and wants to compare commitments against pay-as-you-go pricing. It does not test the necessary outcome here: Additional worker instances join service as demand passes a threshold.
Question 32
A retailer wants to add many similar web workers when concurrent shopping sessions increase. The team observes: Only the original server gets larger despite a requirement for multiple workers. Which planning or configuration error best accounts for this result?
- The hybrid boundary was designed without required network isolation.
- The team assumed Azure host patching also patches customer-managed IaaS guests.
- Vertical resizing was chosen where horizontal instance growth was requested.
- The team confused capital purchasing with consumption-based cloud estimation.
Explanation
Correct Answer
C:Vertical resizing was chosen where horizontal instance growth was requested. That explains the symptom: Only the original server gets larger despite a requirement for multiple workers. The targeted corrective action is: Configure an eligible scale set or autoscale rule to add worker instances.
Incorrect Answers
A:This cause is consistent with a different issue: Internet portal users gain routes into plant-control subnets. It does not account for the reported symptom here: Only the original server gets larger despite a requirement for multiple workers.
B:The alternate mechanism would more directly produce this other failure: Host maintenance completes while the guest OS remains vulnerable. The current incident instead involves: Only the original server gets larger despite a requirement for multiple workers.
D:This cause is consistent with a different issue: The forecast uses only a one-time hardware price and omits recurring usage. It does not account for the reported symptom here: Only the original server gets larger despite a requirement for multiple workers.
Question 33
A scientific simulation requires more memory in a single process rather than a larger pool of workers. Which Azure or cloud concept most directly matches the requirement?
- Apply the shared-responsibility model based on the selected service type.
- Choose a hybrid deployment whose cloud portal does not expose factory-control systems.
- Prefer elastic resource allocation that can grow and shrink with demand.
- Select vertical scaling of an eligible VM size for one memory-bound process.
Explanation
Correct Answer
D:Select vertical scaling of an eligible VM size for one memory-bound process. The governing requirement is: A scientific simulation requires more memory in a single process rather than a larger pool of workers. This solution specifically supports the outcome that the same single process receives the required memory capacity.
Incorrect Answers
A:This design is appropriate for a different requirement: A payments application needs clear division of security duties between Azure and its customer. Here the decisive outcome must instead be: The same single process receives the required memory capacity.
B:That concept addresses this separate situation: A factory wants network links and local devices to stay private but run a customer portal in Azure. It does not by itself establish the result required here: The same single process receives the required memory capacity.
C:This option solves a different planning problem: A city website experiences occasional traffic spikes but must scale back after each public event. The current acceptance criterion is specific: The same single process receives the required memory capacity.
Question 34
A scientific simulation requires more memory in a single process rather than a larger pool of workers. Which implementation step would best fulfill the stated requirement?
- Resize the VM to a supported size with sufficient RAM after compatibility checks.
- Estimate high and low demand scenarios before buying eligible commitments.
- Separate private factory systems from public-facing portal access paths.
- Create an eligible function with an event trigger and required permissions.
Explanation
Correct Answer
A:Resize the VM to a supported size with sufficient RAM after compatibility checks. The implementation operationalizes this design choice: Select vertical scaling of an eligible VM size for one memory-bound process. Acceptance should demonstrate: The same single process receives the required memory capacity.
Incorrect Answers
B:That action implements a different requirement: A tax software team compares a pay-per-use option with prepaid cloud capacity for uncertain demand. It does not establish the required result in this case: The same single process receives the required memory capacity.
C:This change would be appropriate under a different condition: A factory wants network links and local devices to stay private but run a customer portal in Azure. Here it would not validate: The same single process receives the required memory capacity.
D: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: The same single process receives the required memory capacity.
Question 35
A scientific simulation requires more memory in a single process rather than a larger pool of workers. Which result would best demonstrate successful implementation?
- The same single process receives the required memory capacity.
- Cost projections account for the varying number of requests.
- Restricted instrument commands stay on premises while allowed analysis runs in cloud.
- The operating model identifies provider-managed servers while developers deploy code.
Explanation
Correct Answer
A:The same single process receives the required memory capacity. That directly tests the stated requirement: A scientific simulation requires more memory in a single process rather than a larger pool of workers. It contrasts with the observed failure: More small worker nodes appear, but the memory-bound process still fails.
Incorrect Answers
B:That check tests another control: A mobile app calls a managed API thousands of times per day with variable demand. The decisive result for this workload is: The same single process receives the required memory capacity.
C:The test is relevant when a research laboratory has highly restricted on-premises instruments but needs cloud analytics for approved exports. It cannot establish the specified acceptance result: The same single process receives the required memory capacity.
D:This observation is evidence for a separate scenario: A service owner assumes serverless means applications have no servers at all. It does not test the necessary outcome here: The same single process receives the required memory capacity.
Question 36
A scientific simulation requires more memory in a single process rather than a larger pool of workers. The team observes: More small worker nodes appear, but the memory-bound process still fails. What should the team identify as the primary mechanism behind the problem?
- Horizontal scaling cannot increase addressable RAM for that single process.
- The architecture did not shift eligible event processing to managed compute.
- The design adopted public-cloud infrastructure instead of the mandated private model.
- The team confused capital purchasing with consumption-based cloud estimation.
Explanation
Correct Answer
A:Horizontal scaling cannot increase addressable RAM for that single process. That explains the symptom: More small worker nodes appear, but the memory-bound process still fails. The targeted corrective action is: Resize the VM to a supported size with sufficient RAM after compatibility checks.
Incorrect Answers
B:The alternate mechanism would more directly produce this other failure: An idle, customer-managed VM remains the mandatory image-processing host. The current incident instead involves: More small worker nodes appear, but the memory-bound process still fails.
C:That explanation belongs to a different fault pattern: A public provider owns and operates the physical hosts against the requirement. It does not explain why more small worker nodes appear, but the memory-bound process still fails.
D:This cause is consistent with a different issue: The forecast uses only a one-time hardware price and omits recurring usage. It does not account for the reported symptom here: More small worker nodes appear, but the memory-bound process still fails.
Question 37
A payments application needs clear division of security duties between Azure and its customer. Which design choice best fits the stated business constraint?
- Recognize cloud consumption as operating expenditure rather than an upfront server purchase.
- Select metered IaaS capacity with an explicit shutdown or deallocation plan.
- Apply the shared-responsibility model based on the selected service type.
- Host the site in a public-cloud service operated by a cloud provider.
Explanation
Correct Answer
C:Apply the shared-responsibility model based on the selected service type. The governing requirement is: A payments application needs clear division of security duties between Azure and its customer. This solution specifically supports the outcome that customer-managed identities and data permissions have assigned owners.
Incorrect Answers
A:This design is appropriate for a different requirement: A healthcare group compares capital equipment expense against monthly operating expense for new servers. Here the decisive outcome must instead be: Customer-managed identities and data permissions have assigned owners.
B:That concept addresses this separate situation: A charity wants to pay only for temporary virtual machines used during annual fundraising. It does not by itself establish the result required here: Customer-managed identities and data permissions have assigned owners.
D: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: Customer-managed identities and data permissions have assigned owners.
Question 38
A payments application needs clear division of security duties between Azure and its customer. Which Azure setup action best follows from this scenario?
- Configure an eligible scale set or autoscale rule to add worker instances.
- Document which controls Microsoft operates and which remain customer tasks.
- Enter the expected service configuration and usage into the Azure Pricing Calculator.
- Keep required local control dependencies available while synchronizing approved cloud records.
Explanation
Correct Answer
B:Document which controls Microsoft operates and which remain customer tasks. The implementation operationalizes this design choice: Apply the shared-responsibility model based on the selected service type. Acceptance should demonstrate: Customer-managed identities and data permissions have assigned owners.
Incorrect Answers
A:This setup is relevant to another workload: A retailer wants to add many similar web workers when concurrent shopping sessions increase. The current configuration must instead achieve: Customer-managed identities and data permissions have assigned owners.
C:This change would be appropriate under a different condition: A startup's finance team wants an estimate before moving a service to Azure. Here it would not validate: Customer-managed identities and data permissions have assigned owners.
D:This setup is relevant to another workload: A power utility wants critical local operations to continue during intermittent cloud connectivity. The current configuration must instead achieve: Customer-managed identities and data permissions have assigned owners.
Question 39
A payments application needs clear division of security duties between Azure and its customer. Which verification outcome should the team expect from the right design?
- The selection tolerates low usage without paying for large unused committed capacity.
- Utilization and charges fall after student registrations finish.
- Capacity tests stay within approved quota and supported region stock.
- Customer-managed identities and data permissions have assigned owners.
Explanation
Correct Answer
D:Customer-managed identities and data permissions have assigned owners. That directly tests the stated requirement: A payments application needs clear division of security duties between Azure and its customer. It contrasts with the observed failure: Administrators assume Microsoft will grant least-privilege access automatically.
Incorrect Answers
A:This observation is evidence for a separate scenario: A tax software team compares a pay-per-use option with prepaid cloud capacity for uncertain demand. It does not test the necessary outcome here: Customer-managed identities and data permissions have assigned owners.
B:That check tests another control: A school runs its busiest workload only during semester registration. The decisive result for this workload is: Customer-managed identities and data permissions have assigned owners.
C:The test is relevant when a retailer is told cloud platforms provide unlimited resources instantly. It cannot establish the specified acceptance result: Customer-managed identities and data permissions have assigned owners.
Question 40
A payments application needs clear division of security duties between Azure and its customer. The team observes: Administrators assume Microsoft will grant least-privilege access automatically. Which underlying mistake most directly explains the reported symptom?
- The architecture did not shift eligible event processing to managed compute.
- It misclassified pay-as-you-go cloud charges as owned-capital equipment.
- It applied a commitment benefit without checking resource eligibility and usage terms.
- The team confused provider infrastructure duties with customer configuration duties.
Explanation
Correct Answer
D:The team confused provider infrastructure duties with customer configuration duties. That explains the symptom: Administrators assume Microsoft will grant least-privilege access automatically. The targeted corrective action is: Document which controls Microsoft operates and which remain customer tasks.
Incorrect Answers
A:This cause is consistent with a different issue: An idle, customer-managed VM remains the mandatory image-processing host. It does not account for the reported symptom here: Administrators assume Microsoft will grant least-privilege access automatically.
B:The alternate mechanism would more directly produce this other failure: The finance plan still assumes five-year depreciation of purchased compute hardware. The current incident instead involves: Administrators assume Microsoft will grant least-privilege access automatically.
C:That explanation belongs to a different fault pattern: The contract assumes a discount applies to an unsupported charge. It does not explain why administrators assume Microsoft will grant least-privilege access automatically.
Microsoft Azure Fundamentals (AZ-900) Practice Tests