MS-900 Describe cloud concepts Practice Test 5 — 15 Questions

Question 1

During a Microsoft 365 planning workshop, host custom applications on virtual machines while managing the operating system. Cloud concept or benefit best matches this requirement?

Accepted Answer

Infrastructure as a Service (IaaS). Infrastructure as a Service (IaaS) provides virtualized computing resources over the internet, including virtual machines where you can host custom applications and have full control over the operating system. This matches the requirement because IaaS gives you the flexibility to manage the OS, install custom software, and configure the environment without worrying about the underlying physical hardware.

Answer

Platform as a Service (PaaS)

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Hybrid cloud

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Software as a Service (SaaS)

Question 2

A tenant administrator is advising a department that wants to deploy application code without maintaining the operating system or runtime platform. Cloud concept or benefit best matches this requirement?

Accepted Answer

Platform as a Service (PaaS). Platform as a Service (PaaS) provides a platform for developing, running, and managing applications without the complexity of building and maintaining the underlying infrastructure. The department wants to deploy application code without managing the OS or runtime, which is exactly what PaaS offers. IaaS provides raw compute, storage, and network but requires OS management; SaaS provides fully functional applications; private cloud is a deployment model, not a service model.

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Private cloud

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Infrastructure as a Service (IaaS)

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Software as a Service (SaaS)

Question 3

A business stakeholder asks how Microsoft 365 can help them use hosted email without managing mail servers. Cloud concept or benefit best matches this requirement?

Accepted Answer

Software as a Service (SaaS). Microsoft 365 delivers hosted email (Exchange Online) as a Software as a Service (SaaS) offering, where Microsoft manages the mail servers, patches, and infrastructure. The stakeholder simply uses the service via a web browser or client without any server administration. This aligns with the SaaS model, which provides ready-to-use applications over the internet.

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Platform as a Service (PaaS)

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Community cloud

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Infrastructure as a Service (IaaS)

Question 4

While preparing a Microsoft 365 adoption plan, a consultant is asked to add and remove capacity quickly when demand changes. Cloud concept or benefit best matches this requirement?

Accepted Answer

Rapid elasticity. Rapid elasticity is a core cloud computing concept defined by NIST (SP 800-145) that allows resources to be provisioned and released elastically, often automatically, to scale rapidly outward and inward commensurate with demand. In Microsoft 365, this means the consultant can quickly add or remove user licenses, storage, or service capacity via the admin center or PowerShell without manual hardware provisioning, directly matching the requirement to adjust capacity on demand.

Answer

Microsoft Planner

Answer

Data Loss Prevention (DLP)

Answer

Sensitivity labels

Question 5

A service owner is comparing Microsoft 365 capabilities and needs to meter compute and storage usage for consumption-based billing. Cloud concept or benefit best matches this requirement?

Accepted Answer

Measured service. Measured service is a core cloud computing concept where resource usage (such as compute and storage) is metered, tracked, and billed based on actual consumption. This directly matches the service owner's requirement for consumption-based billing, as Microsoft 365 uses metering for services like Microsoft Entra ID and Exchange Online to enable pay-as-you-go models.

Answer

Sensitivity labels

Answer

Microsoft Planner

Answer

Data Loss Prevention (DLP)

Question 6

During requirements gathering, an IT manager says the organization must let users provision resources from a portal without provider interaction. Cloud concept or benefit best matches this requirement?

Accepted Answer

On-demand self-service. On-demand self-service is a core NIST-defined characteristic of cloud computing that allows users to provision computing resources—such as virtual machines, storage, or network capacity—automatically through a web portal or API without requiring human interaction from the service provider. This directly matches the IT manager's requirement for users to provision resources from a portal without provider interaction, making option A correct.

Answer

Data Loss Prevention (DLP)

Answer

Microsoft Planner

Answer

Sensitivity labels

Question 7

A help desk lead is documenting the correct Microsoft 365 approach to keep a workload on-premises while using Microsoft cloud collaboration services. Cloud concept or benefit best matches this requirement?

Accepted Answer

Hybrid cloud. A hybrid cloud model is the correct approach because it allows an organization to keep a specific workload on-premises while leveraging Microsoft cloud collaboration services (such as Exchange Online, SharePoint Online, or Teams). This is achieved through integration technologies like Microsoft Entra Connect for identity synchronization and Exchange Hybrid Configuration Wizard for mail routing, enabling a seamless coexistence between on-premises and cloud environments.

Answer

Sensitivity labels

Answer

Microsoft Planner

Answer

Data Loss Prevention (DLP)

Question 8

A compliance-aware administrator is selecting the right Microsoft 365 capability to use Microsoft 365 and another public cloud provider for different workloads. Cloud concept or benefit best matches this requirement?

Accepted Answer

Multi-cloud. Multi-cloud is the correct answer because the requirement explicitly involves using Microsoft 365 alongside another public cloud provider for different workloads. Multi-cloud refers to the strategy of leveraging services from multiple cloud providers (e.g., Microsoft Azure and AWS) to avoid vendor lock-in, optimize costs, or meet compliance needs. This directly matches the scenario of using Microsoft 365 and another public cloud provider together.

Answer

Microsoft Planner

Answer

Sensitivity labels

Answer

Data Loss Prevention (DLP)

Question 9

A department head asks which Microsoft 365 option should be used to access cloud resources from laptops, tablets, and phones over the internet. Cloud concept or benefit best matches this requirement?

Accepted Answer

Broad network access. Broad network access is a core NIST cloud characteristic that enables resources to be accessed over the internet by standard protocols (e.g., HTTPS, TLS) from a wide range of client devices such as laptops, tablets, and phones. This directly matches the requirement for accessing cloud resources from multiple device types over the internet.

Answer

Sensitivity labels

Answer

Microsoft Planner

Answer

Data Loss Prevention (DLP)

Question 10

An administrator is reviewing a request from users who need to reduce maintenance of power, cooling, and server replacement. Cloud concept or benefit best matches this requirement?

Accepted Answer

Reduced data center management. The users' requirement to reduce maintenance of power, cooling, and server replacement directly maps to the cloud benefit of reduced data center management. By moving to a cloud model, the cloud provider assumes responsibility for the physical infrastructure, including hardware lifecycle, environmental controls, and facility upkeep, allowing the organization to offload these operational burdens.

Answer

Microsoft Planner

Answer

Data Loss Prevention (DLP)

Answer

Sensitivity labels

Question 11

During a Microsoft 365 planning workshop, understand which security tasks Microsoft handles and which remain with the customer. Cloud concept or benefit best matches this requirement?

Accepted Answer

Shared responsibility model. The shared responsibility model defines which security tasks are managed by Microsoft (e.g., physical security, hypervisor patching) and which remain with the customer (e.g., user access, data classification). This directly matches the requirement to understand task ownership during a planning workshop. Options like Microsoft Planner, DLP, and sensitivity labels are specific features, not the overarching cloud concept that clarifies responsibility boundaries.

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Microsoft Planner

Answer

Data Loss Prevention (DLP)

Answer

Sensitivity labels

Question 12

A tenant administrator is advising a department that wants to keep services available during a hardware failure. Cloud concept or benefit best matches this requirement?

Accepted Answer

High availability. High availability (C) is the correct answer because it directly addresses the requirement to keep services available during a hardware failure. High availability refers to a system's ability to remain operational and accessible despite component failures, typically achieved through redundancy, failover clustering, and load balancing. In Microsoft 365, this is implemented via redundant infrastructure across multiple datacenters and automatic failover mechanisms, ensuring service continuity without manual intervention.

Answer

Microsoft Planner

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Data Loss Prevention (DLP)

Answer

Sensitivity labels

Question 13

A business stakeholder asks how Microsoft 365 can help them create a short-term test environment and delete it after the pilot. Cloud concept or benefit best matches this requirement?

Accepted Answer

Agility. Agility is the correct answer because it refers to the ability to rapidly provision and deprovision resources, such as creating a short-term test environment and deleting it after a pilot. Microsoft 365's cloud-based infrastructure enables on-demand scaling and resource lifecycle management, allowing organizations to spin up environments quickly and tear them down without long-term commitments or hardware procurement delays.

Answer

Sensitivity labels

Answer

Data Loss Prevention (DLP)

Answer

Microsoft Planner

Question 14

While preparing a Microsoft 365 adoption plan, a consultant is asked to use provider-managed infrastructure shared by multiple customers. Cloud concept or benefit best matches this requirement?

Accepted Answer

Public cloud. The requirement for provider-managed infrastructure shared by multiple customers directly maps to the public cloud deployment model. In a public cloud, the cloud provider owns and manages the physical hardware, software, and supporting infrastructure, which is shared across multiple tenants (multi-tenancy). This is the core definition of public cloud as opposed to private or hybrid models.

Answer

Data Loss Prevention (DLP)

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Sensitivity labels

Answer

Microsoft Planner

Question 15

A service owner is comparing Microsoft 365 capabilities and needs to use a dedicated environment controlled by one organization. Cloud concept or benefit best matches this requirement?

Accepted Answer

Private cloud. A private cloud is a dedicated environment controlled by a single organization, providing exclusive access and management over resources. This matches the requirement for a dedicated environment, as opposed to public cloud or hybrid models where control is shared or distributed.

Answer

Microsoft Planner

Answer

Data Loss Prevention (DLP)

Answer

Sensitivity labels