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| From | Number of exam questions | Exam name | Exam code | Last updated |
| Lead4Pass | 15 | Microsoft Azure Fundamentals | AZ-900 | AZ-900 dumps |
Question 1:
This question requires that you evaluate the underlined text to determine if it is correct.
When you are implementing a Software as a Service (SaaS) solution, you are responsible for configuring high availability.
Instructions: Review the underlined text. If it makes the statement correct, select “No change is needed”. If the statement is incorrect, select the answer choice that makes the statement correct.
A. No change is needed.
B. defining scalability rules
C. installing the SaaS solution
D. configuring the SaaS solution
Correct Answer: D
When you are implementing a Software as a Service (SaaS) solution, you are responsible for configuring the SaaS solution. Everything else is managed by the cloud provider.
SaaS requires the least amount of management. The cloud provider is responsible for managing everything, and the end user just uses the software.
Software as a service (SaaS) allows users to connect to and use cloud-based apps over the Internet. Common examples are email, calendaring, and office tools (such as Microsoft Office 365).
SaaS provides a complete software solution that you purchase on a pay-as-you-go basis from a cloud service provider. You rent the use of an app for your organization and your users connect to it over the Internet, usually with a web browser.
All of the underlying infrastructure, middleware, app software, and app data are located in the service provider\’s data center. The service provider manages the hardware and software and with the appropriate service agreement, will ensure the availability and security of the app and your data as well.
References:
https://azure.microsoft.com/en-in/overview/what-is-saas/
https://docs.microsoft.com/en-gb/learn/modules/principles-cloud-computing/5-types-of-cloud-services
Question 2:
You have an on-premises network that contains several servers.
You plan to migrate all the servers to Azure.
You need to recommend a solution to ensure that some of the servers are available if a single Azure data center goes offline for an extended period.
What should you include in the recommendation?
A. fault tolerance
B. elasticity
C. scalability
D. low latency
Correct Answer: A
Fault tolerance is the ability of a system to continue to function in the event of a failure of some of its components. In this question, you could have servers that are replicated across data centers.
Availability zones expand the level of control you have to maintain the availability of the applications and data on your VMs. Availability Zones are unique physical locations within an Azure region.
Each zone is made up of one or more data centers equipped with independent power, cooling, and networking. To ensure resiliency, there are a minimum of three separate zones in all enabled regions.
The physical separation of Availability Zones within a region protects applications and data from data center failures. With Availability Zones, Azure offers the industry’s best 99.99% VM uptime SLA.
By architecting your solutions to use replicated VMs in zones, you can protect your applications and data from the loss of a data center. If one zone is compromised, then replicated apps and data are instantly available in another zone.
References: https://docs.microsoft.com/en-us/azure/virtual-machines/windows/manage-availability
Question 3:
This question requires that you evaluate the underlined text to determine if it is correct.
An organization that hosts its infrastructure in a private cloud can close its data center.
Instructions: Review the underlined text. If it makes the statement correct, select “No change is needed”. If the statement is incorrect, select the answer choice that makes the statement correct.
A. No change is needed.
B. in a hybrid cloud
C. in the public cloud
D. on a Hyper-V host
Correct Answer: C
A private cloud is hosted in your data center. Therefore, you cannot close your data center if you are using a private cloud.
A public cloud is hosted externally, for example, in Microsoft Azure. An organization that hosts its infrastructure in a public cloud can close its data center.
The public cloud is the most common deployment model. In this case, do you have no local hardware to manage or keep up-to-date? everything runs on your cloud provider\’s hardware.
Microsoft Azure is an example of a public cloud provider.
In a private cloud, you create a cloud environment in your own data center and provide self-service access to compute resources to users in your organization.
This offers a simulation of a public cloud to your users, but you remain completely responsible for the purchase and maintenance of the hardware and software services you provide.
References:
https://docs.microsoft.com/en-gb/learn/modules/principles-cloud-computing/4-cloud-deployment-models
Question 4:
What are the two characteristics of the public cloud? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.
A. dedicated hardware
B. unsecured connections
C. limited storage
D. metered pricing
E. self-service management
Correct Answer: DE
With the public cloud, do you get pay-as-you-go pricing? you pay only for what you use, with no CapEx costs. With the public cloud, you have self-service management. You are responsible for the deployment and configuration of the cloud resources such as virtual machines or websites. The underlying hardware that hosts the cloud resources is managed by the cloud provider.
Incorrect Answers:
A: You don’t have dedicated hardware. The underlying hardware is shared so you could have multiple customers using cloud resources hosted on the same physical hardware.
B: Connections to the public cloud are secure.
C: Storage is not limited. You can have as much storage as you like.
References: https://docs.microsoft.com/en-gb/learn/modules/principles-cloud-computing/4-cloud-deployment-models
Question 5:
This question requires that you evaluate the underlined text to determine if it is correct.
When planning to migrate a public website to Azure, you must plan to pay monthly usage costs.
Instructions: Review the underlined text. If it makes the statement correct, select “No change is needed”. If the statement is incorrect, select the answer choice that makes the statement correct.
A. No change is needed
B. Deploy a VPN
C. pay to transfer all the website data to Azure
D. reduce the number of connections to the website
Correct Answer: A
When planning to migrate a public website to Azure, you must plan to pay monthly usage costs. This is because Azure uses the pay-as-you-go model.
Incorrect Answers:
B: You do not need a VPN for Azure websites.
C: You do not pay to transfer data into Azure websites.
D: You do not need to reduce the number of connections to the website.
Question 6:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear on the review screen.
Your company plans to migrate all its data and resources to Azure.
The company\’s migration plan states that only Platform as a Service (PaaS) solutions must be used in Azure.
You need to deploy an Azure environment that meets the company migration plan.
Solution: You create an Azure App Service and Azure SQL databases.
Does this meet the goal?
A. Yes
B. No
Correct Answer: A
Azure App Service and Azure SQL databases are examples of Azure PaaS solutions. Therefore, this solution does meet the goal.
Question 7:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear on the review screen.
Your company plans to migrate all its data and resources to Azure.
The company\’s migration plan states that only Platform as a Service (PaaS) solutions must be used in Azure.
You need to deploy an Azure environment that meets the company migration plan.
Solution: You create an Azure App Service and Azure virtual machines that have Microsoft SQL Server installed.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
Azure App Service is a PaaS (Platform as a Service) service. However, Azure virtual machines are an IaaS (Infrastructure as a Service) service. Therefore, this solution does not meet the goal.
Question 8:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear on the review screen.
Your company plans to migrate all its data and resources to Azure.
The company\’s migration plan states that only Platform as a Service (PaaS) solutions must be used in Azure.
You need to deploy an Azure environment that meets the company migration plan.
Solution: You create Azure App Service and Azure Storage accounts.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
Azure App Service is a PaaS (Platform as a Service) service. However, Azure Storage accounts are an IaaS (Infrastructure as a Service) service. Therefore, this solution does not meet the goal.
Azure Storage Accounts are IaaS, PaaS, as Microsoft says, is “a complete development and deployment environment in the cloud, with resources that enable you to deliver everything from simple cloud-based apps to the sophisticated, cloud-enabled enterprise applications”. So the answer is No because Storage is IaaS.
Question 9:
Your company hosts an accounting application named App1 that is used by all the customers of the company.
App1 has low usage during the first three weeks of each month and very high usage during the last week of each month.
Which benefit of Azure Cloud Services supports cost management for this type of usage pattern?
A. high availability
B. high latency
C. elasticity
D. load balancing
Correct Answer: C
Elasticity in this case is the ability to provide additional compute resources when needed and reduce the compute resource when not needed to reduce costs. Autoscaling is an example of elasticity.
Elastic computing is the ability to quickly expand or decrease computer processing, memory, and storage resources to meet changing demands without worrying about capacity planning and engineering for peak usage.
Typically controlled by system monitoring tools, elastic computing matches the number of resources allocated to the number of resources actually needed without disrupting operations.
With cloud elasticity, a company avoids paying for unused capacity or idle resources and doesn’t have to worry about investing in the purchase or maintenance of additional resources and equipment.
References: https://azure.microsoft.com/en-gb/overview/what-is-elastic-computing/
Question 10:
You plan to migrate a web application to Azure. The web application is accessed by external users.
You need to recommend a cloud deployment solution to minimize the amount of administrative effort used to manage the web application.
What should you include in the recommendation?
A. Software as a Service (SaaS)
B. Platform as a Service (PaaS)
C. Infrastructure as a Service (IaaS)
D. Database as a Service (DaaS)
Correct Answer: B
Azure App Service is a platform-as-a-service (PaaS) offering that lets you create web and mobile apps for any platform or device and connect to data anywhere, in the cloud or on-premises.
App Service includes the web and mobile capabilities that were previously delivered separately as Azure Websites and Azure Mobile Services.
References: https://docs.microsoft.com/en-us/azure/security/fundamentals/paas-applications-using-app-services
Question 11:
You have an on-premises network that contains 100 servers.
You need to recommend a solution that provides additional resources to your users. The solution must minimize capital and operational expenditure costs.
What should you include in the recommendation?
A. a complete migration to the public cloud
B. an additional data center
C. a private cloud
D. a hybrid cloud
Correct Answer: D
A hybrid cloud is a combination of a private cloud and a public cloud. Capital expenditure is the spending of money up-front for infrastructure such as new servers.
With a hybrid cloud, you can continue to use the on-premises servers while adding new servers in the public cloud (Azure for example).
Adding new servers in Azure minimizes the capital expenditure costs as you are not paying for new servers as you would if you deployed new server on-premises.
Incorrect Answers:
A: A complete migration of 100 servers to the public cloud would involve a lot of operational expenditure (the cost of migrating all the servers).
B: An additional data center would involve a lot of capital expenditure (the cost of the new infrastructure).
C: A private cloud is hosted on on-premises servers this would involve a lot of capital expenditure (the cost of the new infrastructure to host the private cloud).
References: https://docs.microsoft.com/en-gb/learn/modules/principles-cloud-computing/4-cloud-deployment-models
Question 12:
You plan to migrate several servers from an on-premises network to Azure.
What is the advantage of using a public cloud service for the servers over an on-premises network?
A. The public cloud is owned by the public, NOT a private corporation
B. The public cloud is a crowd-sourcing solution that provides corporations with the ability to enhance the cloud
C. All public cloud resources can be freely accessed by every member of the public
D. The public cloud is a shared entity whereby multiple corporations each use a portion of the resources in the cloud
Correct Answer: D
The public cloud is a shared entity whereby multiple corporations each use a portion of the resources in the cloud. The hardware resources (servers, infrastructure, etc.) are managed by the cloud provider.
Multiple companies create resources such as virtual machines and virtual networks on the hardware resources.
Incorrect Answers:
A: The public cloud is not owned by the public. In the case of Microsoft Azure, the cloud is owned by Microsoft.
B: The public cloud is a not crowd-sourcing solution. In the case of Microsoft Azure, the cloud is owned by Microsoft.
C: It is not true that public cloud resources can be freely accessed by every member of the public. You pay for a cloud subscription and create accounts for your users to access your cloud resources.
No one can access your cloud resources until you create user accounts and provide the appropriate access permissions.
Question 13:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear on the review screen.
You plan to deploy several Azure virtual machines.
You need to ensure that the services running on the virtual machines are available if a single data center fails.
Solution: You deploy the virtual machines to two or more scale sets.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
This answer does not specify that the scale set will be configured across multiple data centers so this solution does not meet the goal.
Azure virtual machine scale sets let you create and manage a group of load-balanced VMs. The number of VM instances can automatically increase or decrease in response to demand or a defined schedule. Scale sets provide high availability to your applications, and allow you to centrally manage, configure, and update many VMs.
Virtual machines in a scale set can be deployed across multiple update domains and fault domains to maximize availability and resilience to outages due to data center outages, and planned or unplanned maintenance events.
Reference:
https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/availability
Question 14:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear on the review screen.
You plan to deploy several Azure virtual machines.
You need to ensure that the services running on the virtual machines are available if a single data center fails.
Solution: You deploy the virtual machines to two or more availability zones.
Does this meet the goal?
A. Yes
B. No
Correct Answer: A
Availability zones expand the level of control you have to maintain the availability of the applications and data on your VMs. An Availability Zone is a physically separate zone, within an Azure region. There are three Availability Zones per supported Azure region.
Each Availability Zone has a distinct power source, network, and cooling. By architecting your solutions to use replicated VMs in zones, you can protect your apps and data from the loss of a data center. If one zone is compromised, then replicated apps and data are instantly available in another zone.
Reference: https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/availability
Question 15:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear on the review screen.
You plan to deploy several Azure virtual machines.
You need to ensure that the services running on the virtual machines are available if a single data center fails.
Solution: You deploy the virtual machines to two or more regions.
Does this meet the goal?
A. Yes
B. No
Correct Answer: A
By deploying the virtual machines to two or more regions, you are deploying the virtual machines to multiple data centers. This will ensure that the services running on the virtual machines are available if a single data center fails.
Azure operates in multiple data centers around the world. These data centers are grouped into geographic regions, giving you flexibility in choosing where to build your applications. You create Azure resources in defined geographic regions like \’West US\’, \’North Europe\’, or \’Southeast Asia\’. You can review the list of regions and their locations. Within each region, multiple data centers exist to provide for redundancy and availability.
Reference: https://docs.microsoft.com/en-us/azure/virtual-machines/windows/regions
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