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Microsoft - AZ-900: Microsoft Azure Fundamentals

Sample Questions

Question: 518
Measured Skill: Describe Azure management and governance (30–35%)

An Azure administrator plans to run a PowerShell script that creates Azure resources.

You need to recommend which computer configuration to use to run the script.

Which three computers can run the script?

(Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.)

AA computer that runs Windows 11 and has the Azure CLI tools installed.
B A computer that runs Linux and has the Azure CLI tools installed.
C A computer that runs macOS and has PowerShell Core 6.0 installed.
D A computer that runs Chrome OS and uses Azure Cloud Shell.
E A computer that runs Windows 10 and has the Azure PowerShell module installed.

Correct answer: C, D, E

Explanation:

Azure PowerShell is designed for managing and administering Azure resources from the command line. Use Azure PowerShell when you want to build automated tools that use the Azure Resource Manager model. Try it out in your browser with Azure Cloud Shell, or install on your local machine.

The Azure PowerShell module can be installed on Windows, macOS, and Linux platforms.

Azure Cloud Shell is an interactive, authenticated, browser-accessible shell for managing Azure resources.

The Azure command-line interface (Azure CLI) is a set of commands used to create and manage Azure resources. Azure CLI is an alternate to Azure PowerShell. Azure CLI cannot run PowerShell scripts.



Question: 519
Measured Skill: Describe cloud concepts (20-25%)

In the infrastructure as a service (IaaS) cloud service model, which two components are the responsibility of the cloud service provider?

(Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.)

AThe configuration and maintenance of storage
B The installation and configuration of the operating system
C Maintaining the hardware
D The network configuration
E Physical security of the datacenter infrastructure

Correct answer: C, E

Explanation:

Infrastructure as a service (IaaS) is a type of cloud computing service that offers essential compute, storage, and networking resources on demand, on a pay-as-you-go basis. IaaS is one of the four types of cloud services, along with software as a service (SaaS), platform as a service (PaaS), and serverless.

Migrating your organization's infrastructure to an IaaS solution helps you reduce maintenance of on-premises data centers, save money on hardware costs, and gain real-time business insights. IaaS solutions give you the flexibility to scale your IT resources up and down with demand. They also help you quickly provision new applications and increase the reliability of your underlying infrastructure.

IaaS lets you bypass the cost and complexity of buying and managing physical servers and datacenter infrastructure. Each resource is offered as a separate service component, and you only pay for a particular resource for as long as you need it. A cloud computing service provider like Azure manages the infrastructure, while you purchase, install, configure, and manage your own software—including operating systems, middleware, and applications.

Reference: What is IaaS?



Question: 520
Measured Skill: Describe Azure architecture and services (35–40%)

For each of the following statements, select Yes if the statement is true. Otherwise, select No.

(NOTE: Each correct selection is worth one point.)

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AMicrosoft Entra ID requires domain controllers on Azure virtual machines: Yes
Microsoft Entra ID provides authentication services for Azure and Microsoft 365: Yes
Each user account in Microsoft Entra ID can be assigned only one Microsoft 365 license: Yes
B Microsoft Entra ID requires domain controllers on Azure virtual machines: Yes
Microsoft Entra ID provides authentication services for Azure and Microsoft 365: Yes
Each user account in Microsoft Entra ID can be assigned only one Microsoft 365 license: No
C Microsoft Entra ID requires domain controllers on Azure virtual machines: Yes
Microsoft Entra ID provides authentication services for Azure and Microsoft 365: No
Each user account in Microsoft Entra ID can be assigned only one Microsoft 365 license: Yes
D Microsoft Entra ID requires domain controllers on Azure virtual machines: No
Microsoft Entra ID provides authentication services for Azure and Microsoft 365: Yes
Each user account in Microsoft Entra ID can be assigned only one Microsoft 365 license: No
E Microsoft Entra ID requires domain controllers on Azure virtual machines: No
Microsoft Entra ID provides authentication services for Azure and Microsoft 365: No
Each user account in Microsoft Entra ID can be assigned only one Microsoft 365 license: Yes
F Microsoft Entra ID requires domain controllers on Azure virtual machines: No
Microsoft Entra ID provides authentication services for Azure and Microsoft 365: No
Each user account in Microsoft Entra ID can be assigned only one Microsoft 365 license: No

Correct answer: D

Explanation:

The first statement is nonsense.

Microsoft Entra ID is an integrated cloud identity and access solution, and a leader in the market for managing directories, enabling access to applications, and protecting identities. Microsoft Entra ID provides authentication services for Azure and Microsoft 365.

Each user in Microsoft Entra ID can have multiple licenses assigned. It's also possible to assign a Microsoft 365 E3 and a Microsoft 365 E5 license to the same user.

References:

What is Microsoft Entra ID?

Assign or unassign licenses for users in the Microsoft 365 admin center



Question: 521
Measured Skill: Describe Azure management and governance (30–35%)

Select the appropriate option in the answer area to complete the sentence.

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AThe Azure Standard support plan is the lowest cost option to receive 24x7 access to support engineers by phone.
B The Azure Developer support plan is the lowest cost option to receive 24x7 access to support engineers by phone.
C The Azure Basic support plan is the lowest cost option to receive 24x7 access to support engineers by phone.
D The Azure Professional Direct support plan is the lowest cost option to receive 24x7 access to support engineers by phone.

Correct answer: A

Explanation:

No change is needed. The Basic support plan does not include 24/7 access to technical support at all and the Developer support plan includes technical support only during business hours and by email only.

Reference Compare support plans



Question: 522
Measured Skill: Describe cloud concepts (20-25%)

Select the appropriate option in the answer area to complete the sentence.

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AAn organization migrates to cloud services to budget infrastructure costs as both capital and operational expense.
B An organization migrates to cloud services to budget infrastructure costs as a capital expense.
C An organization migrates to cloud services to budget infrastructure costs as neither capital nor operational expense.
D An organization migrates to cloud services to budget infrastructure costs as an operational expense.

Correct answer: D

Explanation:

Capital Expense (CapEx) is the standard model of traditional IT procurement, while Operational Expense (OpEx) is how cloud computing services are procured. The two have very different implications for cost, control and operational flexibility.

CapEx - Capital Expenses

Under CapEx procurement, you make a significant upfront investment in order to acquire and maintain your critical IT assets. This comes with sunk costs that make it difficult to pivot as business requirements evolve and which can impede or kill other projects in need of funds.

However, if a CapEx asset’s useful life extends beyond a year, it can typically be paid for through depreciation. This allows for tax deductions as the purchase accumulates wear and tear. You also have full control of your resources without having to rely heavily on an outside provider.

CapEx comes with many constraints, including, but not limited to:

  • The physical space required for these assets,
  • Their steady depreciation,
  • The required - and often complex - technical setup, and
  • Lengthy acquisition cycles.

These limitations are what make cloud an appealing upgrade option in the first place. However, physical servers still have an important place for many organizations as they are being used to build their Hybrid IT and Multi-cloud strategies.

Examples of CapEx Projects:

  • Building a server farm to host business applications
  • Creating a Storage Area Network to host data across applications
  • Investing in new network equipment to improve performance

OpEx - Operating Expenses

With OpEx, and technologies like public cloud, you gain much more flexibility than you would with CapEx:

  • Its pay-as-you-go structure allows for predictable expenses, with capacity being scalable to current demand and allowing for future growth.
  • Costs are based on consumption, meaning less risk of over provisioning. However, it’s important to use a solution that’s properly sized to actual demand and supported by automation, to avoid runaway spending.
  • Projects are easier to pivot thanks to the availability of on-demand resources and the option to use bursting and elasticity to scale capacity up and down as your needs change.
  • Line-of-business units can also take ownership of budgets that were once the exclusive purview of the IT department.

At the same time, you lose some control over your IT infrastructure and often have to make do with limited provider tools. This makes it difficult to monitor cloud performance in the context of your business requirements. OpEx can even become more costly than simply purchasing an equivalent CapEx asset, especially if there is no accountability for users or optimizations within the cloud services budget. Left unchecked, the self-service at the heart of cloud frequently results in the familiar problem of overspending. This typically arises when departments and individual users provision, decommission and manage cloud instances without any consistent or governance framework.

The answer to "Should I use a CapEx or OpEx model for my infrastructure?" will always depend on the situation at hand. That said, as public cloud continues to gain popularity, so will OpEx. It’s much easier to make pivotal decisions about your cloud environments and get the most from an OpEx deployment if you have a well-defined process for predicting your costs, along with the technical solutions for managing them. Examples of OpEx expenditures include:

  • Public cloud consumption
  • Telecom service fees
  • Offsite backup/archival storage




 
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