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Microsoft AZ-900 Practice Test 6

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.

Question 51

A software team wants to execute small event-triggered handlers without permanently managing server instances. Which result would best demonstrate successful implementation?

  1. Each workload placement matches its documented operational-control constraints.
  2. The function executes when a matching event arrives without a dedicated always-on VM.
  3. Capacity rises during events and returns to its smaller baseline afterward.
  4. Capacity tests stay within approved quota and supported region stock.

Explanation

Correct Answer

B:

The function executes when a matching event arrives without a dedicated always-on VM. That directly tests the stated requirement: A software team wants to execute small event-triggered handlers without permanently managing server instances. It contrasts with the observed failure: A permanent VM runs idle while waiting for rare events.

Incorrect Answers

A:

This observation is evidence for a separate scenario: A bank is choosing between private, public, and hybrid infrastructure for workloads with different residency rules. It does not test the necessary outcome here: The function executes when a matching event arrives without a dedicated always-on VM.

C:

The test is relevant when a city website experiences occasional traffic spikes but must scale back after each public event. It cannot establish the specified acceptance result: The function executes when a matching event arrives without a dedicated always-on VM.

D:

This observation is evidence for a separate scenario: A retailer is told cloud platforms provide unlimited resources instantly. It does not test the necessary outcome here: The function executes when a matching event arrives without a dedicated always-on VM.

Question 52

A software team wants to execute small event-triggered handlers without permanently managing server instances. The team observes: A permanent VM runs idle while waiting for rare events. What should the team identify as the primary mechanism behind the problem?

  1. The team confused provider infrastructure duties with customer configuration duties.
  2. The workload was deployed on always-on infrastructure rather than event-triggered compute.
  3. The hybrid boundary was designed without required network isolation.
  4. Horizontal scaling cannot increase addressable RAM for that single process.

Explanation

Correct Answer

B:

The workload was deployed on always-on infrastructure rather than event-triggered compute. That explains the symptom: A permanent VM runs idle while waiting for rare events. The targeted corrective action is: Create an eligible function with an event trigger and required permissions.

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: A permanent VM runs idle while waiting for rare events.

C:

That explanation belongs to a different fault pattern: Internet portal users gain routes into plant-control subnets. It does not explain why a permanent VM runs idle while waiting for rare events.

D:

This cause is consistent with a different issue: More small worker nodes appear, but the memory-bound process still fails. It does not account for the reported symptom here: A permanent VM runs idle while waiting for rare events.

Question 53

A service owner assumes serverless means applications have no servers at all. Which design choice best fits the stated business constraint?

  1. Explain elasticity as capacity adjustment and availability as service continuity.
  2. Prefer elastic resource allocation that can grow and shrink with demand.
  3. Explain that serverless abstracts server provisioning rather than eliminating underlying infrastructure.
  4. Treat provider-run application infrastructure maintenance as the SaaS provider's task.

Explanation

Correct Answer

C:

Explain that serverless abstracts server provisioning rather than eliminating underlying infrastructure. The governing requirement is: A service owner assumes serverless means applications have no servers at all. This solution specifically supports the outcome that the operating model identifies provider-managed servers while developers deploy code.

Incorrect Answers

A:

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 operating model identifies provider-managed servers while developers deploy code.

B:

That concept addresses this separate situation: A city website experiences occasional traffic spikes but must scale back after each public event. It does not by itself establish the result required here: The operating model identifies provider-managed servers while developers deploy code.

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 operating model identifies provider-managed servers while developers deploy code.

Question 54

A service owner assumes serverless means applications have no servers at all. Which Azure setup action best follows from this scenario?

  1. Separate private factory systems from public-facing portal access paths.
  2. Compare the documented reservation or savings-plan eligibility with measured steady usage.
  3. Schedule and verify patch updates inside the tenant-managed VM guest.
  4. Describe the provider-operated compute behind the application's managed execution model.

Explanation

Correct Answer

D:

Describe the provider-operated compute behind the application's managed execution model. The implementation operationalizes this design choice: Explain that serverless abstracts server provisioning rather than eliminating underlying infrastructure. Acceptance should demonstrate: The operating model identifies provider-managed servers while developers deploy code.

Incorrect Answers

A:

This setup is relevant to another workload: A factory wants network links and local devices to stay private but run a customer portal in Azure. The current configuration must instead achieve: The operating model identifies provider-managed servers while developers deploy code.

B:

That action implements a different requirement: A museum has a predictable continuous workload and wants to compare commitments against pay-as-you-go pricing. It does not establish the required result in this case: The operating model identifies provider-managed servers while developers deploy code.

C:

This change would be appropriate under a different condition: An IaaS virtual machine runs outdated guest operating-system packages after the host platform was patched. Here it would not validate: The operating model identifies provider-managed servers while developers deploy code.

Question 55

A service owner assumes serverless means applications have no servers at all. Which verification outcome should the team expect from the right design?

  1. One tenant cannot access another tenant's private resources by default.
  2. The operating model identifies provider-managed servers while developers deploy code.
  3. Portal clients reach the approved app without direct access to restricted factory devices.
  4. Additional worker instances join service as demand passes a threshold.

Explanation

Correct Answer

B:

The operating model identifies provider-managed servers while developers deploy code. That directly tests the stated requirement: A service owner assumes serverless means applications have no servers at all. It contrasts with the observed failure: The architecture review claims no infrastructure exists anywhere for a function.

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 operating model identifies provider-managed servers while developers deploy code.

C:

The test is relevant when a factory wants network links and local devices to stay private but run a customer portal in Azure. It cannot establish the specified acceptance result: The operating model identifies provider-managed servers while developers deploy code.

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 operating model identifies provider-managed servers while developers deploy code.

Question 56

A service owner assumes serverless means applications have no servers at all. The team observes: The architecture review claims no infrastructure exists anywhere for a function. Which underlying mistake most directly explains the reported symptom?

  1. The team treated capacity scaling as equivalent to failure tolerance.
  2. The budget omitted metered API/request charges.
  3. It interpreted serverless literally instead of as a responsibility abstraction.
  4. The team assumed Azure host patching also patches customer-managed IaaS guests.

Explanation

Correct Answer

C:

It interpreted serverless literally instead of as a responsibility abstraction. That explains the symptom: The architecture review claims no infrastructure exists anywhere for a function. The targeted corrective action is: Describe the provider-operated compute behind the application's managed execution model.

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: The architecture review claims no infrastructure exists anywhere for a function.

B:

The alternate mechanism would more directly produce this other failure: The app exceeds its budget even though infrastructure looked idle. The current incident instead involves: The architecture review claims no infrastructure exists anywhere for a function.

D:

This cause is consistent with a different issue: Host maintenance completes while the guest OS remains vulnerable. It does not account for the reported symptom here: The architecture review claims no infrastructure exists anywhere for a function.

Question 57

A bank is choosing between private, public, and hybrid infrastructure for workloads with different residency rules. What is the most appropriate cloud concept or service for this need?

  1. Evaluate commitment-based discounts against the baseline pay-as-you-go option.
  2. Explain that serverless abstracts server provisioning rather than eliminating underlying infrastructure.
  3. Match each workload to cloud models according to control and connectivity needs.
  4. Compare usage-based service billing with a fixed-capacity plan using the actual request pattern.

Explanation

Correct Answer

C:

Match each workload to cloud models according to control and connectivity needs. The governing requirement is: A bank is choosing between private, public, and hybrid infrastructure for workloads with different residency rules. This solution specifically supports the outcome that each workload placement matches its documented operational-control constraints.

Incorrect Answers

A:

This design is appropriate for a different requirement: A museum has a predictable continuous workload and wants to compare commitments against pay-as-you-go pricing. Here the decisive outcome must instead be: Each workload placement matches its documented operational-control constraints.

B:

That concept addresses this separate situation: A service owner assumes serverless means applications have no servers at all. It does not by itself establish the result required here: Each workload placement matches its documented operational-control constraints.

D:

This design is appropriate for a different requirement: A mobile app calls a managed API thousands of times per day with variable demand. Here the decisive outcome must instead be: Each workload placement matches its documented operational-control constraints.

Question 58

A bank is choosing between private, public, and hybrid infrastructure for workloads with different residency rules. What should the team configure or perform to implement the correct approach?

  1. Configure event routing to an authorized Azure Function rather than maintaining an always-on image VM.
  2. Estimate high and low demand scenarios before buying eligible commitments.
  3. Classify restricted systems and cloud-ready systems before selecting placement.
  4. Set scale-out and scale-in policies within documented resource limits.

Explanation

Correct Answer

C:

Classify restricted systems and cloud-ready systems before selecting placement. The implementation operationalizes this design choice: Match each workload to cloud models according to control and connectivity needs. Acceptance should demonstrate: Each workload placement matches its documented operational-control constraints.

Incorrect Answers

A:

This setup is relevant to another workload: A small firm with scarce IT staff is choosing an execution platform for event-based image processing. The current configuration must instead achieve: Each workload placement matches its documented operational-control constraints.

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: Each workload placement matches its documented operational-control constraints.

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: Each workload placement matches its documented operational-control constraints.

Question 59

A bank is choosing between private, public, and hybrid infrastructure for workloads with different residency rules. Which evidence best confirms the requirement is being met?

  1. One tenant cannot access another tenant's private resources by default.
  2. The function executes when a matching event arrives without a dedicated always-on VM.
  3. The short-lived infrastructure cost follows actual consumed capacity.
  4. Each workload placement matches its documented operational-control constraints.

Explanation

Correct Answer

D:

Each workload placement matches its documented operational-control constraints. That directly tests the stated requirement: A bank is choosing between private, public, and hybrid infrastructure for workloads with different residency rules. It contrasts with the observed failure: All workloads are sent to one public environment despite different restrictions.

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: Each workload placement matches its documented operational-control constraints.

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: Each workload placement matches its documented operational-control constraints.

C:

The test is relevant when a tax preparer wants temporary infrastructure during filing season rather than owning idle servers all year. It cannot establish the specified acceptance result: Each workload placement matches its documented operational-control constraints.

Question 60

A bank is choosing between private, public, and hybrid infrastructure for workloads with different residency rules. The team observes: All workloads are sent to one public environment despite different restrictions. What is the most likely cause of the observed failure?

  1. The assessment ignored workload-specific cloud-model suitability.
  2. The team overextended physical-infrastructure responsibility to application security.
  3. The scale expectation ignored resource quotas and eligible capacity limits.
  4. Vertical resizing was chosen where horizontal instance growth was requested.

Explanation

Correct Answer

A:

The assessment ignored workload-specific cloud-model suitability. That explains the symptom: All workloads are sent to one public environment despite different restrictions. The targeted corrective action is: Classify restricted systems and cloud-ready systems before selecting placement.

Incorrect Answers

B:

The alternate mechanism would more directly produce this other failure: Developers stop reviewing access policies because the datacenter is provider-operated. The current incident instead involves: All workloads are sent to one public environment despite different restrictions.

C:

That explanation belongs to a different fault pattern: A burst fails with quota errors despite an autoscale rule. It does not explain why all workloads are sent to one public environment despite different restrictions.

D:

This cause is consistent with a different issue: Only the original server gets larger despite a requirement for multiple workers. It does not account for the reported symptom here: All workloads are sent to one public environment despite different restrictions.

Microsoft Azure Fundamentals (AZ-900) Practice Tests

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