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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.
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An IaaS virtual machine runs outdated guest operating-system packages after the host platform was patched.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?
- Treat guest OS patching as a customer responsibility for Azure virtual machines.
- Use serverless event-driven compute for appropriately scoped short-running tasks.
- Select vertical scaling of an eligible VM size for one memory-bound process.
- 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 The governing requirement is: An IaaS virtual machine runs outdated guest operating-system packages after the host platform was patched.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?
- Classify restricted systems and cloud-ready systems before selecting placement.
- Provision extra compute for tax season and remove it afterward.
- Describe the provider-operated compute behind the application's managed execution model.
- 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?
- One tenant cannot access another tenant's private resources by default.
- The guest OS is patched independently of the provider's physical-host servicing.
- Additional worker instances join service as demand passes a threshold.
- 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?
- The workload was deployed on always-on infrastructure rather than event-triggered compute.
- The hybrid boundary was designed without required network isolation.
- The team confused capital purchasing with consumption-based cloud estimation.
- 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?
- Treat provider-run application infrastructure maintenance as the SaaS provider's task.
- Model expected compute, storage, transfer, and execution usage before committing.
- Evaluate commitment-based discounts against the baseline pay-as-you-go option.
- 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?
- Create an eligible function with an event trigger and required permissions.
- Assign administrators to user access and data policy rather than server hardware repair.
- Provision extra compute for tax season and remove it afterward.
- 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?
- Utilization and charges fall after student registrations finish.
- The cross-provider comparison uses the same workload and expense categories.
- No customer-owned mail servers require patching for the SaaS deployment.
- 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?
- It applied IaaS hardware-maintenance assumptions to a SaaS application.
- Physical multi-tenancy was incorrectly equated with unrestricted data access.
- The design remained on local owned infrastructure rather than public-cloud hosting.
- 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?
- Treat cloud scale as elastic but still subject to quotas and regional availability.
- Use serverless event-driven compute for appropriately scoped short-running tasks.
- Choose a private-cloud model when ownership and dedicated control are the overriding constraints.
- 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?
- Create an eligible function with an event trigger and required permissions.
- Budget monthly usage for the chosen Azure services instead of capitalizing server hardware.
- Review target subscription quotas before a large burst allocation.
- 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