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Microsoft AZ-900 Practice Test 5

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?

  1. The architecture did not shift eligible event processing to managed compute.
  2. It misclassified pay-as-you-go cloud charges as owned-capital equipment.
  3. It applied a commitment benefit without checking resource eligibility and usage terms.
  4. 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.

Question 41

An IaaS virtual machine runs outdated guest operating-system packages after the host platform was patched. What is the most appropriate cloud concept or service for this need?

  1. Treat guest OS patching as a customer responsibility for Azure virtual machines.
  2. Use serverless event-driven compute for appropriately scoped short-running tasks.
  3. Select vertical scaling of an eligible VM size for one memory-bound process.
  4. Explain elasticity as capacity adjustment and availability as service continuity.

Explanation

Correct Answer

A:

Treat guest OS patching as a customer responsibility for Azure virtual machines. The governing requirement is: An IaaS virtual machine runs outdated guest operating-system packages after the host platform was patched. This solution specifically supports the outcome that the guest OS is patched independently of the provider's physical-host servicing.

Incorrect Answers

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 guest OS is patched independently of the provider's physical-host servicing.

C:

This option solves a different planning problem: A scientific simulation requires more memory in a single process rather than a larger pool of workers. The current acceptance criterion is specific: The guest OS is patched independently of the provider's physical-host servicing.

D:

This design is appropriate for a different requirement: A project lead is confused by the phrase 'cloud elasticity' versus 'high availability'. Here the decisive outcome must instead be: The guest OS is patched independently of the provider's physical-host servicing.

Question 42

An IaaS virtual machine runs outdated guest operating-system packages after the host platform was patched. What should the team configure or perform to implement the correct approach?

  1. Classify restricted systems and cloud-ready systems before selecting placement.
  2. Provision extra compute for tax season and remove it afterward.
  3. Describe the provider-operated compute behind the application's managed execution model.
  4. Schedule and verify patch updates inside the tenant-managed VM guest.

Explanation

Correct Answer

D:

Schedule and verify patch updates inside the tenant-managed VM guest. The implementation operationalizes this design choice: Treat guest OS patching as a customer responsibility for Azure virtual machines. Acceptance should demonstrate: The guest OS is patched independently of the provider's physical-host servicing.

Incorrect Answers

A:

This setup is relevant to another workload: A bank is choosing between private, public, and hybrid infrastructure for workloads with different residency rules. The current configuration must instead achieve: The guest OS is patched independently of the provider's physical-host servicing.

B:

That action implements a different requirement: A tax preparer wants temporary infrastructure during filing season rather than owning idle servers all year. It does not establish the required result in this case: The guest OS is patched independently of the provider's physical-host servicing.

C:

This change would be appropriate under a different condition: A service owner assumes serverless means applications have no servers at all. Here it would not validate: The guest OS is patched independently of the provider's physical-host servicing.

Question 43

An IaaS virtual machine runs outdated guest operating-system packages after the host platform was patched. Which evidence best confirms the requirement is being met?

  1. One tenant cannot access another tenant's private resources by default.
  2. The guest OS is patched independently of the provider's physical-host servicing.
  3. Additional worker instances join service as demand passes a threshold.
  4. The operating model identifies provider-managed servers while developers deploy code.

Explanation

Correct Answer

B:

The guest OS is patched independently of the provider's physical-host servicing. That directly tests the stated requirement: An IaaS virtual machine runs outdated guest operating-system packages after the host platform was patched. It contrasts with the observed failure: Host maintenance completes while the guest OS remains vulnerable.

Incorrect Answers

A:

This observation is evidence for a separate scenario: A media company asks whether one cloud provider's public platform is necessarily shared without any logical isolation. It does not test the necessary outcome here: The guest OS is patched independently of the provider's physical-host servicing.

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: The guest OS is patched independently of the provider's physical-host servicing.

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 guest OS is patched independently of the provider's physical-host servicing.

Question 44

An IaaS virtual machine runs outdated guest operating-system packages after the host platform was patched. The team observes: Host maintenance completes while the guest OS remains vulnerable. What is the most likely cause of the observed failure?

  1. The workload was deployed on always-on infrastructure rather than event-triggered compute.
  2. The hybrid boundary was designed without required network isolation.
  3. The team confused capital purchasing with consumption-based cloud estimation.
  4. The team assumed Azure host patching also patches customer-managed IaaS guests.

Explanation

Correct Answer

D:

The team assumed Azure host patching also patches customer-managed IaaS guests. That explains the symptom: Host maintenance completes while the guest OS remains vulnerable. The targeted corrective action is: Schedule and verify patch updates inside the tenant-managed VM guest.

Incorrect Answers

A:

This cause is consistent with a different issue: A permanent VM runs idle while waiting for rare events. It does not account for the reported symptom here: Host maintenance completes while the guest OS remains vulnerable.

B:

The alternate mechanism would more directly produce this other failure: Internet portal users gain routes into plant-control subnets. The current incident instead involves: Host maintenance completes while the guest OS remains vulnerable.

C:

That explanation belongs to a different fault pattern: The forecast uses only a one-time hardware price and omits recurring usage. It does not explain why host maintenance completes while the guest OS remains vulnerable.

Question 45

A company uses a fully managed email SaaS and wants to know who maintains its mail-server hardware. Which architectural decision meets the described priority?

  1. Treat provider-run application infrastructure maintenance as the SaaS provider's task.
  2. Model expected compute, storage, transfer, and execution usage before committing.
  3. Evaluate commitment-based discounts against the baseline pay-as-you-go option.
  4. Prefer elastic resource allocation that can grow and shrink with demand.

Explanation

Correct Answer

A:

Treat provider-run application infrastructure maintenance as the SaaS provider's task. The governing requirement is: A company uses a fully managed email SaaS and wants to know who maintains its mail-server hardware. This solution specifically supports the outcome that no customer-owned mail servers require patching for the SaaS deployment.

Incorrect Answers

B:

That concept addresses this separate situation: A startup's finance team wants an estimate before moving a service to Azure. It does not by itself establish the result required here: No customer-owned mail servers require patching for the SaaS deployment.

C:

This option solves a different planning problem: A museum has a predictable continuous workload and wants to compare commitments against pay-as-you-go pricing. The current acceptance criterion is specific: No customer-owned mail servers require patching for the SaaS deployment.

D:

This design is appropriate for a different requirement: A city website experiences occasional traffic spikes but must scale back after each public event. Here the decisive outcome must instead be: No customer-owned mail servers require patching for the SaaS deployment.

Question 46

A company uses a fully managed email SaaS and wants to know who maintains its mail-server hardware. Which configuration or operating action most directly puts that decision into practice?

  1. Create an eligible function with an event trigger and required permissions.
  2. Assign administrators to user access and data policy rather than server hardware repair.
  3. Provision extra compute for tax season and remove it afterward.
  4. Set scale-out and scale-in policies within documented resource limits.

Explanation

Correct Answer

B:

Assign administrators to user access and data policy rather than server hardware repair. The implementation operationalizes this design choice: Treat provider-run application infrastructure maintenance as the SaaS provider's task. Acceptance should demonstrate: No customer-owned mail servers require patching for the SaaS deployment.

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: No customer-owned mail servers require patching for the SaaS deployment.

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: No customer-owned mail servers require patching for the SaaS deployment.

D:

This setup is relevant to another workload: A city website experiences occasional traffic spikes but must scale back after each public event. The current configuration must instead achieve: No customer-owned mail servers require patching for the SaaS deployment.

Question 47

A company uses a fully managed email SaaS and wants to know who maintains its mail-server hardware. Which observation is the strongest acceptance test for this scenario?

  1. Utilization and charges fall after student registrations finish.
  2. The cross-provider comparison uses the same workload and expense categories.
  3. No customer-owned mail servers require patching for the SaaS deployment.
  4. The function executes when a matching event arrives without a dedicated always-on VM.

Explanation

Correct Answer

C:

No customer-owned mail servers require patching for the SaaS deployment. That directly tests the stated requirement: A company uses a fully managed email SaaS and wants to know who maintains its mail-server hardware. It contrasts with the observed failure: The team plans to patch physical mail-server components in a SaaS tenant.

Incorrect Answers

A:

This observation is evidence for a separate scenario: A school runs its busiest workload only during semester registration. It does not test the necessary outcome here: No customer-owned mail servers require patching for the SaaS deployment.

B:

That check tests another control: A logistics provider wants to compare two cloud providers using more than the hourly VM price. The decisive result for this workload is: No customer-owned mail servers require patching for the SaaS deployment.

D:

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: No customer-owned mail servers require patching for the SaaS deployment.

Question 48

A company uses a fully managed email SaaS and wants to know who maintains its mail-server hardware. The team observes: The team plans to patch physical mail-server components in a SaaS tenant. Which planning or configuration error best accounts for this result?

  1. It applied IaaS hardware-maintenance assumptions to a SaaS application.
  2. Physical multi-tenancy was incorrectly equated with unrestricted data access.
  3. The design remained on local owned infrastructure rather than public-cloud hosting.
  4. The budget omitted metered API/request charges.

Explanation

Correct Answer

A:

It applied IaaS hardware-maintenance assumptions to a SaaS application. That explains the symptom: The team plans to patch physical mail-server components in a SaaS tenant. The targeted corrective action is: Assign administrators to user access and data policy rather than server hardware repair.

Incorrect Answers

B:

The alternate mechanism would more directly produce this other failure: A manager assumes shared facilities grant unrestricted access to other customers. The current incident instead involves: The team plans to patch physical mail-server components in a SaaS tenant.

C:

That explanation belongs to a different fault pattern: The publisher still pays to cool and replace its own hardware. It does not explain why the team plans to patch physical mail-server components in a SaaS tenant.

D:

This cause is consistent with a different issue: The app exceeds its budget even though infrastructure looked idle. It does not account for the reported symptom here: The team plans to patch physical mail-server components in a SaaS tenant.

Question 49

A software team wants to execute small event-triggered handlers without permanently managing server instances. Which Azure or cloud concept most directly matches the requirement?

  1. Treat cloud scale as elastic but still subject to quotas and regional availability.
  2. Use serverless event-driven compute for appropriately scoped short-running tasks.
  3. Choose a private-cloud model when ownership and dedicated control are the overriding constraints.
  4. Treat provider-run application infrastructure maintenance as the SaaS provider's task.

Explanation

Correct Answer

B:

Use serverless event-driven compute for appropriately scoped short-running tasks. The governing requirement is: A software team wants to execute small event-triggered handlers without permanently managing server instances. This solution specifically supports the outcome that the function executes when a matching event arrives without a dedicated always-on VM.

Incorrect Answers

A:

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 function executes when a matching event arrives without a dedicated always-on VM.

C:

This option solves a different planning problem: A government contractor cannot share facility infrastructure and must operate computing under its direct control. The current acceptance criterion is specific: The function executes when a matching event arrives without a dedicated always-on VM.

D:

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: The function executes when a matching event arrives without a dedicated always-on VM.

Question 50

A software team wants to execute small event-triggered handlers without permanently managing server instances. Which implementation step would best fulfill the stated requirement?

  1. Create an eligible function with an event trigger and required permissions.
  2. Budget monthly usage for the chosen Azure services instead of capitalizing server hardware.
  3. Review target subscription quotas before a large burst allocation.
  4. Keep required local control dependencies available while synchronizing approved cloud records.

Explanation

Correct Answer

A:

Create an eligible function with an event trigger and required permissions. The implementation operationalizes this design choice: Use serverless event-driven compute for appropriately scoped short-running tasks. Acceptance should demonstrate: The function executes when a matching event arrives without a dedicated always-on VM.

Incorrect Answers

B:

That action implements a different requirement: A healthcare group compares capital equipment expense against monthly operating expense for new servers. It does not establish the required result in this case: The function executes when a matching event arrives without a dedicated always-on VM.

C:

This change would be appropriate under a different condition: A retailer is told cloud platforms provide unlimited resources instantly. Here it would not validate: The function executes when a matching event arrives without a dedicated always-on VM.

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: The function executes when a matching event arrives without a dedicated always-on VM.

Microsoft Azure Fundamentals (AZ-900) Practice Tests

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