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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?
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A. B.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 datacenter. If one zone is compromised, then replicated apps and data are instantly available in another zone.
https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/availabilityAnswer: A. Yes
Explanation:
Deploying virtual machines to two or more availability zones will meet the goal of ensuring that the services running on the virtual machines are available if a single data center fails.
An availability zone is a logical representation of a data center within an Azure region. Each availability zone is made up of one or more data centers that are physically separate from each other and are connected through high-speed, private networks. This means that if a single data center goes down due to a failure, the virtual machines in other availability zones will continue to run and be available.
By deploying virtual machines to two or more availability zones, you are spreading your workload across multiple data centers and reducing the risk of downtime. This approach provides high availability and fault tolerance for your services running on virtual machines in Azure.
Note that deploying virtual machines to multiple availability zones requires you to configure load balancing, auto-scaling, and storage replication to ensure that your services remain available and responsive even in the event of a data center failure.
Therefore, the solution of deploying virtual machines to two or more availability zones meets the goal of ensuring that the services running on the virtual machines are available if a single data center fails.
The solution provided does partially meet the goal of using Platform as a Service (PaaS) solutions to migrate all data and resources to Azure.
The Azure App Service is a PaaS offering that allows developers to build, deploy, and scale web apps and APIs quickly without having to manage the underlying infrastructure. It supports various programming languages, including .NET, Java, Node.js, Python, and PHP.
Azure Storage is also a PaaS offering that provides scalable storage for structured and unstructured data. It supports various data types, including blobs, files, queues, tables, and disks.
However, it is important to note that deploying only an Azure App Service and Azure Storage accounts does not necessarily ensure that all of the company's data and resources are migrated to Azure. Depending on the specific needs of the company, additional PaaS solutions may need to be implemented, such as Azure Functions for serverless computing, Azure SQL Database for managed relational databases, or Azure Cosmos DB for globally distributed databases.
Therefore, the solution provided is a partial solution that meets some of the requirements of the company's migration plan, but additional PaaS solutions may be required to fully meet the plan's goals.
In conclusion, the correct answer is B. No, the solution provided does not fully meet the company's migration plan of using only Platform as a Service (PaaS) solutions to migrate all data and resources to Azure.