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Microsoft AZ-900 Practice Test 3

Question 20

A healthcare group compares capital equipment expense against monthly operating expense for new servers. The team observes: The finance plan still assumes five-year depreciation of purchased compute hardware. What should the team identify as the primary mechanism behind the problem?

  1. Cloud placement was mistaken for an explicit recovery design and service configuration.
  2. The architecture did not shift eligible event processing to managed compute.
  3. It misclassified pay-as-you-go cloud charges as owned-capital equipment.
  4. The architecture moved an on-premises-only control dependency instead of separating hybrid workloads.

Explanation

Correct Answer

C:

It misclassified pay-as-you-go cloud charges as owned-capital equipment. That explains the symptom: The finance plan still assumes five-year depreciation of purchased compute hardware. The targeted corrective action is: Budget monthly usage for the chosen Azure services instead of capitalizing server hardware.

Incorrect Answers

A:

This cause is consistent with a different issue: The plan assumes cloud hosting alone guarantees an untested recovery point. It does not account for the reported symptom here: The finance plan still assumes five-year depreciation of purchased compute hardware.

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: The finance plan still assumes five-year depreciation of purchased compute hardware.

D:

This cause is consistent with a different issue: Cloud migration unexpectedly requires direct internet access to every instrument. It does not account for the reported symptom here: The finance plan still assumes five-year depreciation of purchased compute hardware.

Question 21

A museum has a predictable continuous workload and wants to compare commitments against pay-as-you-go pricing. Which design choice best fits the stated business constraint?

  1. Model expected compute, storage, transfer, and execution usage before committing.
  2. Use serverless event-driven compute for appropriately scoped short-running tasks.
  3. Evaluate commitment-based discounts against the baseline pay-as-you-go option.
  4. Treat cloud scale as elastic but still subject to quotas and regional availability.

Explanation

Correct Answer

C:

Evaluate commitment-based discounts against the baseline pay-as-you-go option. The governing requirement is: A museum has a predictable continuous workload and wants to compare commitments against pay-as-you-go pricing. This solution specifically supports the outcome that the chosen pricing commitment fits the sustained usage without assuming all services are eligible.

Incorrect Answers

A:

This design is appropriate for a different requirement: A startup's finance team wants an estimate before moving a service to Azure. Here the decisive outcome must instead be: The chosen pricing commitment fits the sustained usage without assuming all services are eligible.

B:

That concept addresses this separate situation: A software team wants to execute small event-triggered handlers without permanently managing server instances. It does not by itself establish the result required here: The chosen pricing commitment fits the sustained usage without assuming all services are eligible.

D:

This design is appropriate for a different requirement: A retailer is told cloud platforms provide unlimited resources instantly. Here the decisive outcome must instead be: The chosen pricing commitment fits the sustained usage without assuming all services are eligible.

Question 22

A museum has a predictable continuous workload and wants to compare commitments against pay-as-you-go pricing. Which Azure setup action best follows from this scenario?

  1. Build equivalent workload cost estimates with consistent traffic and resilience assumptions.
  2. Define distinct acceptance metrics for scaling events and outage resilience.
  3. Compare the documented reservation or savings-plan eligibility with measured steady usage.
  4. Schedule and autoscale relevant resources around the actual peak windows.

Explanation

Correct Answer

C:

Compare the documented reservation or savings-plan eligibility with measured steady usage. The implementation operationalizes this design choice: Evaluate commitment-based discounts against the baseline pay-as-you-go option. Acceptance should demonstrate: The chosen pricing commitment fits the sustained usage without assuming all services are eligible.

Incorrect Answers

A:

This setup is relevant to another workload: A logistics provider wants to compare two cloud providers using more than the hourly VM price. The current configuration must instead achieve: The chosen pricing commitment fits the sustained usage without assuming all services are eligible.

B:

That action implements a different requirement: A project lead is confused by the phrase 'cloud elasticity' versus 'high availability'. It does not establish the required result in this case: The chosen pricing commitment fits the sustained usage without assuming all services are eligible.

D:

This setup is relevant to another workload: A school runs its busiest workload only during semester registration. The current configuration must instead achieve: The chosen pricing commitment fits the sustained usage without assuming all services are eligible.

Question 23

A museum has a predictable continuous workload and wants to compare commitments against pay-as-you-go pricing. Which verification outcome should the team expect from the right design?

  1. The estimate itemizes consumption assumptions for the expected services.
  2. The function executes when a matching event arrives without a dedicated always-on VM.
  3. The chosen pricing commitment fits the sustained usage without assuming all services are eligible.
  4. Additional worker instances join service as demand passes a threshold.

Explanation

Correct Answer

C:

The chosen pricing commitment fits the sustained usage without assuming all services are eligible. That directly tests the stated requirement: A museum has a predictable continuous workload and wants to compare commitments against pay-as-you-go pricing. It contrasts with the observed failure: The contract assumes a discount applies to an unsupported charge.

Incorrect Answers

A:

This observation is evidence for a separate scenario: A startup's finance team wants an estimate before moving a service to Azure. It does not test the necessary outcome here: The chosen pricing commitment fits the sustained usage without assuming all services are eligible.

B:

That check tests another control: A software team wants to execute small event-triggered handlers without permanently managing server instances. The decisive result for this workload is: The chosen pricing commitment fits the sustained usage without assuming all services are eligible.

D:

This observation is evidence for a separate scenario: A retailer wants to add many similar web workers when concurrent shopping sessions increase. It does not test the necessary outcome here: The chosen pricing commitment fits the sustained usage without assuming all services are eligible.

Question 24

A museum has a predictable continuous workload and wants to compare commitments against pay-as-you-go pricing. The team observes: The contract assumes a discount applies to an unsupported charge. Which underlying mistake most directly explains the reported symptom?

  1. The design remained on local owned infrastructure rather than public-cloud hosting.
  2. It applied IaaS hardware-maintenance assumptions to a SaaS application.
  3. The team treated capacity scaling as equivalent to failure tolerance.
  4. It applied a commitment benefit without checking resource eligibility and usage terms.

Explanation

Correct Answer

D:

It applied a commitment benefit without checking resource eligibility and usage terms. That explains the symptom: The contract assumes a discount applies to an unsupported charge. The targeted corrective action is: Compare the documented reservation or savings-plan eligibility with measured steady usage.

Incorrect Answers

A:

This cause is consistent with a different issue: The publisher still pays to cool and replace its own hardware. It does not account for the reported symptom here: The contract assumes a discount applies to an unsupported charge.

B:

The alternate mechanism would more directly produce this other failure: The team plans to patch physical mail-server components in a SaaS tenant. The current incident instead involves: The contract assumes a discount applies to an unsupported charge.

C:

That explanation belongs to a different fault pattern: Autoscaling passes while a single-point failure still takes the app offline. It does not explain why the contract assumes a discount applies to an unsupported charge.

Question 25

A city website experiences occasional traffic spikes but must scale back after each public event. What is the most appropriate cloud concept or service for this need?

  1. Treat provider-run application infrastructure maintenance as the SaaS provider's task.
  2. Treat service models as selectable building blocks rather than a mandatory migration ladder.
  3. Select metered IaaS capacity with an explicit shutdown or deallocation plan.
  4. Prefer elastic resource allocation that can grow and shrink with demand.

Explanation

Correct Answer

D:

Prefer elastic resource allocation that can grow and shrink with demand. The governing requirement is: A city website experiences occasional traffic spikes but must scale back after each public event. This solution specifically supports the outcome that capacity rises during events and returns to its smaller baseline afterward.

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: Capacity rises during events and returns to its smaller baseline afterward.

B:

That concept addresses this separate situation: An advertising firm wants to start with a VM today and later use managed services. It does not by itself establish the result required here: Capacity rises during events and returns to its smaller baseline afterward.

C:

This option solves a different planning problem: A charity wants to pay only for temporary virtual machines used during annual fundraising. The current acceptance criterion is specific: Capacity rises during events and returns to its smaller baseline afterward.

Question 26

A city website experiences occasional traffic spikes but must scale back after each public event. What should the team configure or perform to implement the correct approach?

  1. Document recovery objectives and select appropriate cloud replication or backup arrangements.
  2. Assign administrators to user access and data policy rather than server hardware repair.
  3. Set scale-out and scale-in policies within documented resource limits.
  4. Record both the chosen operating model and the required geographic deployment location.

Explanation

Correct Answer

C:

Set scale-out and scale-in policies within documented resource limits. The implementation operationalizes this design choice: Prefer elastic resource allocation that can grow and shrink with demand. Acceptance should demonstrate: Capacity rises during events and returns to its smaller baseline afterward.

Incorrect Answers

A:

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: Capacity rises during events and returns to its smaller baseline afterward.

B:

That action implements a different requirement: A company uses a fully managed email SaaS and wants to know who maintains its mail-server hardware. It does not establish the required result in this case: Capacity rises during events and returns to its smaller baseline afterward.

D:

This setup is relevant to another workload: An insurer needs a distinction between geographic hosting and infrastructure ownership. The current configuration must instead achieve: Capacity rises during events and returns to its smaller baseline afterward.

Question 27

A city website experiences occasional traffic spikes but must scale back after each public event. Which evidence best confirms the requirement is being met?

  1. The site runs on provider facilities without the publisher maintaining a server room.
  2. Capacity rises during events and returns to its smaller baseline afterward.
  3. Each workload placement matches its documented operational-control constraints.
  4. Customer-managed identities and data permissions have assigned owners.

Explanation

Correct Answer

B:

Capacity rises during events and returns to its smaller baseline afterward. That directly tests the stated requirement: A city website experiences occasional traffic spikes but must scale back after each public event. It contrasts with the observed failure: Extra instances remain allocated long after traffic declines.

Incorrect Answers

A:

This observation is evidence for a separate scenario: A small publisher wants its website online without operating a physical data center. It does not test the necessary outcome here: Capacity rises during events and returns to its smaller baseline afterward.

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: Capacity rises during events and returns to its smaller baseline afterward.

D:

This observation is evidence for a separate scenario: A payments application needs clear division of security duties between Azure and its customer. It does not test the necessary outcome here: Capacity rises during events and returns to its smaller baseline afterward.

Question 28

A city website experiences occasional traffic spikes but must scale back after each public event. The team observes: Extra instances remain allocated long after traffic declines. What is the most likely cause of the observed failure?

  1. The team confused provider infrastructure duties with customer configuration duties.
  2. The scaling design lacked a scale-in policy or minimum-capacity review.
  3. The team treated capacity scaling as equivalent to failure tolerance.
  4. It interpreted serverless literally instead of as a responsibility abstraction.

Explanation

Correct Answer

B:

The scaling design lacked a scale-in policy or minimum-capacity review. That explains the symptom: Extra instances remain allocated long after traffic declines. The targeted corrective action is: Set scale-out and scale-in policies within documented resource limits.

Incorrect Answers

A:

This cause is consistent with a different issue: Administrators assume Microsoft will grant least-privilege access automatically. It does not account for the reported symptom here: Extra instances remain allocated long after traffic declines.

C:

That explanation belongs to a different fault pattern: Autoscaling passes while a single-point failure still takes the app offline. It does not explain why extra instances remain allocated long after traffic declines.

D:

This cause is consistent with a different issue: The architecture review claims no infrastructure exists anywhere for a function. It does not account for the reported symptom here: Extra instances remain allocated long after traffic declines.

Question 29

A retailer wants to add many similar web workers when concurrent shopping sessions increase. Which architectural decision meets the described priority?

  1. Select horizontal scaling by adding instances instead of enlarging one machine.
  2. Select vertical scaling of an eligible VM size for one memory-bound process.
  3. Treat cloud scale as elastic but still subject to quotas and regional availability.
  4. Choose a private-cloud model when ownership and dedicated control are the overriding constraints.

Explanation

Correct Answer

A:

Select horizontal scaling by adding instances instead of enlarging one machine. The governing requirement is: A retailer wants to add many similar web workers when concurrent shopping sessions increase. This solution specifically supports the outcome that additional worker instances join service as demand passes a threshold.

Incorrect Answers

B:

That concept addresses this separate situation: A scientific simulation requires more memory in a single process rather than a larger pool of workers. It does not by itself establish the result required here: Additional worker instances join service as demand passes a threshold.

C:

This option solves a different planning problem: A retailer is told cloud platforms provide unlimited resources instantly. The current acceptance criterion is specific: Additional worker instances join service as demand passes a threshold.

D:

This design is appropriate for a different requirement: A government contractor cannot share facility infrastructure and must operate computing under its direct control. Here the decisive outcome must instead be: Additional worker instances join service as demand passes a threshold.

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?

  1. Budget monthly usage for the chosen Azure services instead of capitalizing server hardware.
  2. Document which controls Microsoft operates and which remain customer tasks.
  3. Configure an eligible scale set or autoscale rule to add worker instances.
  4. 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.

Microsoft Azure Fundamentals (AZ-900) Practice Tests

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