MS-900 Describe cloud concepts Practice Test 6 — 15 Questions

Question 1

Your organization is deploying Microsoft 365 and wants to ensure data is stored within a specific geographic region to comply with regulatory requirements. Which concept describes the ability to choose data residency?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

Data residency. Data residency refers to the physical or geographic location where data is stored. Option A (Latency) is incorrect because latency is about network delay, not storage location. Option B (Data sovereignty) is incorrect because data sovereignty deals with legal and jurisdictional control over data, not physical location. Option C (Compliance) is incorrect because compliance refers to adhering to standards and regulations, not the physical storage location.

Answer

Latency

Answer

Data sovereignty

Answer

Compliance

Question 2

Your organization uses Microsoft 365 and wants to automatically scale resources based on demand, paying only for what is used. Which cloud characteristic does this describe?

Accepted Answer

Elasticity. Elasticity allows resources to automatically scale up or down based on demand, and you pay only for what you use. Option A is incorrect because fault tolerance ensures continued operation despite component failures, not automatic scaling. Option B is incorrect because disaster recovery focuses on restoring services after a major failure, not scaling. Option C is incorrect because high availability ensures uptime and redundancy, not automatic scaling based on demand.

Answer

Fault tolerance

Answer

Disaster recovery

Answer

High availability

Question 3

Your company is moving to Microsoft 365 and wants to reduce capital expenditure (CapEx) on hardware and software licenses. Which cloud benefit is most directly related to this goal?

Accepted Answer

Consumption-based pricing. Moving from CapEx to OpEx is a key financial benefit of consumption-based pricing. Option A (Scalability) is about adjusting resources, not cost structure. Option C (Agility) is about speed and flexibility, not cost structure. Option D (Security) is about protection.

Answer

Scalability

Answer

Agility

Answer

Security

Question 4

Your organization is using Microsoft 365 and wants to ensure that services remain accessible even if one datacenter experiences an outage. Which concept should they rely on?

Accepted Answer

High availability. High availability ensures that services remain accessible even if a component fails, typically through redundancy and failover mechanisms. Option A is incorrect because scalability is about handling increased load, not maintaining uptime during outages. Option B is incorrect because disaster recovery focuses on restoring services after a major disaster, not continuous availability. Option D is incorrect because elasticity is about automatically scaling resources based on demand, not about ensuring accessibility during datacenter failures.

Answer

Scalability

Answer

Disaster recovery

Answer

Elasticity

Question 5

Your company uses Microsoft 365 Copilot to generate meeting summaries. These summaries are processed using AI models that may use customer data to improve the service. Which cloud computing responsibility model applies to data usage by the AI service?

Accepted Answer

Shared responsibility model. The shared responsibility model (Option D) is the correct cloud computing responsibility model that applies to data usage by AI services. Under this model, the cloud provider is responsible for protecting the infrastructure and ensuring that the service operates as stated, while the customer is responsible for securing their data and usage. When an AI service like Microsoft 365 Copilot uses customer data, the provider's responsibilities are defined by the shared responsibility model, including commitments to data protection. Option A (Data sovereignty) is incorrect because it refers to legal control based on geography, not responsibility. Option B (Data residency) is incorrect because it concerns storage location, not usage. Option C (Customer data protection) is not a cloud computing responsibility model; it is a policy that governs data usage, but the overarching model is the shared responsibility model.

Answer

Data sovereignty

Answer

Data residency

Answer

Customer data protection

Question 6

Which TWO cloud benefits are most directly related to cost savings for an organization moving to Microsoft 365?

Accepted Answer

Consumption-based pricing. Options A and E are correct. Consumption-based pricing reduces upfront costs. Reduced maintenance overhead lowers operational costs. Option B is wrong because self-service may not directly save costs. Option C is wrong because global scale can increase costs. Option D is wrong because hybrid capabilities may require additional investment.

Answer

Self-service

Answer

Global scale

Answer

Hybrid capabilities

Question 7

Which THREE are key characteristics of cloud computing as defined by NIST?

Accepted Answer

Broad network access. The correct answers are B, C, and D. The NIST definition of cloud computing includes five essential characteristics: on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service. High availability (A) is a benefit of cloud computing but is not one of the NIST essential characteristics. Reserved capacity (E) is a pricing model (e.g., reserved instances) and not a characteristic defined by NIST.

Answer

High availability

Answer

Reserved capacity

Question 8

Which TWO cloud deployment models involve using public cloud services?

Accepted Answer

Public cloud. Options A and D are correct. The public cloud (A) uses only public cloud services. The hybrid cloud (D) combines public and private cloud services, thus involving public cloud. Option B is incorrect because private cloud is dedicated to a single organization and does not use public cloud. Option C is incorrect because community cloud is shared among several organizations but does not necessarily use public cloud; it can be hosted on-premises or by a third party. Option E is incorrect because while multi-cloud involves using multiple public clouds, it is not considered a distinct deployment model in the traditional sense; rather, it is a strategy.

Answer

Private cloud

Answer

Community cloud

Answer

Multi-cloud

Question 9

Refer to the exhibit. A Contoso administrator configures a Conditional Access policy as shown. Users report they cannot access email on their Android phones using the default email app. What is the most likely cause?

Accepted Answer

The default Android email app uses legacy authentication.. The default Android email app uses legacy authentication (Basic Auth), which is blocked by the Conditional Access policy configured to block legacy authentication. Option A is incorrect because the policy does not exclude the user; exclusion would allow access regardless of the client. Option C is incorrect because the policy requires multi-factor authentication, but that is not the issue—modern auth clients could still satisfy MFA; the problem is the legacy auth client is blocked entirely. Option D is incorrect because the policy applies to all devices, including mobile devices like Android phones.

Answer

The user is excluded from the policy.

Answer

The policy requires multi-factor authentication.

Answer

The policy does not apply to mobile devices.

Question 10

Refer to the exhibit. A Microsoft 365 admin configures an update policy for Microsoft 365 Apps for enterprise. The channel is set to 'CurrentChannel'. What is the expected behavior for users?

Accepted Answer

Users receive feature updates as soon as they are released.. CurrentChannel provides feature updates as soon as they are released. Option A is incorrect because CurrentChannel delivers updates immediately upon release, not on a fixed monthly schedule. Option B is incorrect because receiving updates twice a year describes the Semi-Annual Channel, not CurrentChannel. Option D is incorrect because the update deadline is used for deferring updates, but CurrentChannel applies updates immediately.

Answer

Users receive feature updates monthly.

Answer

Users receive feature updates twice a year.

Answer

Users receive updates only after the deadline.

Question 11

Refer to the exhibit. A Contoso user tries to send an email containing a credit card number to an external recipient. What will happen?

Accepted Answer

The email is blocked and the user receives a notification.. The DLP policy enforces blocking of credit card numbers. Option B is wrong because the policy is enforced, not just audit. Option C is wrong because it blocks, not removes. Option D is wrong because it blocks, not quarantines.

Answer

The credit card number is removed and the email is sent.

Answer

The email is sent and an alert is generated for admin.

Answer

The email is delivered to the external recipient but placed in quarantine.

Question 12

A company wants to migrate their on-premises file servers to Microsoft 365. Which cloud service model describes this approach?

Accepted Answer

Software as a Service (SaaS). (SaaS) is correct because Microsoft 365 is a Software as a Service offering that includes cloud-based file storage and sharing via OneDrive and SharePoint, effectively replacing on-premises file servers with a managed service. Migrating file servers to Microsoft 365 means adopting SaaS, where the service provider manages the infrastructure, platform, and applications. Option D (IaaS) would be appropriate if migrating to Azure Virtual Machines to host file servers, but the question specifies Microsoft 365, not Azure IaaS.

Answer

Platform as a Service (PaaS)

Answer

Desktop as a Service (DaaS)

Answer

Infrastructure as a Service (IaaS)

Question 13

A retail company experiences sudden traffic spikes during holiday sales. Which cloud characteristic would best help them handle this without overprovisioning?

Accepted Answer

Rapid elasticity. (Rapid elasticity) is correct because it enables cloud resources to automatically scale up or down to handle sudden traffic spikes without the need for overprovisioning. Option A (Broad network access) refers to accessibility over the network, not scaling. Option B (Measured service) is about metering and billing for usage. Option D (Resource pooling) involves multi-tenant sharing of resources.

Answer

Broad network access

Answer

Measured service

Answer

Resource pooling

Question 14

A startup wants to build a custom application with minimal infrastructure management and only pay for the resources consumed. Which cloud service model should they choose?

Accepted Answer

Platform as a Service (PaaS). (Platform as a Service, PaaS) is correct because it allows you to build and deploy custom applications without managing the underlying infrastructure, and you only pay for the resources you consume. Option A (Functions as a Service, FaaS) is a subset of PaaS focused on event-driven functions and is less suitable for a full custom application. Option B (Software as a Service, SaaS) provides ready-to-use applications, not a platform for custom development. Option C (Infrastructure as a Service, IaaS) requires you to manage virtual machines and pay for allocated resources regardless of actual usage.

Answer

Functions as a Service (FaaS)

Answer

Software as a Service (SaaS)

Answer

Infrastructure as a Service (IaaS)

Question 15

A hospital needs to ensure patient data remains in a specific geographic region due to regulatory requirements. Which cloud deployment model should they consider?

Accepted Answer

Private cloud. (Private cloud) is correct because a private cloud is dedicated to a single organization and can be deployed on-premises or in a datacenter, ensuring data residency and compliance. Option A (Community cloud) is shared by several organizations, not ideal for strict data residency. Option C (Hybrid cloud) combines public and private but doesn't guarantee data stays in one region. Option D (Public cloud) may store data across regions.

Answer

Community cloud

Answer

Hybrid cloud

Answer

Public cloud