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New Questions 2
You design an Azure application that processes images. The maximum size of an image is 10 MB. The application includes a web role that allows users to upload images and a worker role with multiple instances that processes the images. The web role communicates with the worker role by using an Azure Queue service.
You need to recommend an approach for storing images that minimizes storage transactions.
What should you recommend?
A. Store images in Azure Blob service. Store references to the images in the queue.
B. Store images in the queue.
C. Store images in OneDrive attached to the worker role instances. Store references to the images in the queue.
D. Store images in local storage on the web role instance. Store references to the images in the queue.
Answer: A
Explanation:
Azure Queues provide a uniform and consistent programming model across queues, tables, and BLOBs u2013 both for developers and for operations teams.
Microsoft Azure blob storage can be used to store the image data, the application can use a worker role in Azure to perform background processing tasks on the images, how the application may use shared access signatures to control access to the images by users. Azure blobs provide a series of containers aimed at storing text or binary data. Block blob containers are ideal for streaming data, while page blob containers can be used for random read/write operations.
References: https://msdn.microsoft.com/en-gb/library/ff803365.aspx https://msdn.microsoft.com/en-us/library/azure/hh767287.aspx
New Questions 3
You are designing an Azure application that provides online backup storage for hundreds of media files. Each file is larger than 1GB.
The data storage solution has the following requirements:
* be capable of storing an average of 2 terabytes (TB) of data for each user
* support sharing of data between all Microsoft Azure instances
* provide random read/write access
You need to recommend a durable data storage solution. What should you recommend?
A. store data in a VHD file
B. Azure Page Blob
C. Azure Block Blob
D. local storage on the VM
Answer: B
New Questions 4
You have business services that run on an on-premises mainframe server.
You must provide an intermediary configuration to support existing business services and Azure. The business services cannot be rewritten. The business services are not exposed externally.
You need to recommend an approach for accessing the business services. What should you recommend?
A. Connect to the on-premises server by using a custom service in Azure.
B. Expose the business services to the Azure Service Bus by using a custom service that uses relay binding.
C. Expose the business services externally.
D. Move all business service functionality to Azure.
Answer: B
Explanation:
The Service Bus relay service enables you to build hybrid applications that run in both an Azure datacenter and your own on-premises enterprise environment. The Service Bus relay facilitates this by enabling you to securely expose Windows Communication Foundation (WCF) services that reside within a corporate enterprise network to the public cloud, without having to open a firewall connection, or require intrusive changes to a corporate network infrastructure.
References: http://azure.microsoft.com/en-gb/documentation/articles/service-bus-dotnet- how-to-use-relay/
New Questions 5
An application currently resides on an on-premises virtual machine that has 2 CPU cores, 4 GB of RAM, 20 GB of hard disk space, and a 10 megabit/second network connection.
You plan to migrate the application to Azure. You have the following requirements:
* You must not make changes to the application.
* You must minimize the costs for hosting the application.
You need to recommend the appropriate virtual machine instance type. Which virtual machine tier should you recommend?
A. Network Optimized (A Series)
B. General Purpose Compute, Basic Tier (A Series)
C. General Purpose Compute, Standard Tier (A Series)
D. Optimized Compute (D Series)
Answer: B
Explanation:
General purpose compute: Basic tier
An economical option for development workloads, test servers, and other applications that don't require load balancing, auto-scaling, or memory-intensive virtual machines.
CPU core range: 1-8 RAM range: 0.75 u2013 14 GB
Disk size: 20-240 GB References:
New Questions 6
You are designing an Azure web application. The solution will be used by multiple customers. Each customer has different business logic and user interface requirements. Not all customers use the same version of the .NET runtime.
You need to recommend a deployment strategy. What should you recommend?
A. Deploy with multiple web role instances.
B. Deploy each application in a separate tenant.
C. Deploy all applications in one tenant.
D. Deploy with multiple worker role instances.
Answer: B
Explanation:
There are two types of tenant environments. The simplest type is a single-tenant application where one customer has 100% dedicated access to an applicationu2021s process space. A single Tenant Applications has a separate, logical instance of the application for each customer or client. A single tenant application is much more predictable and stable by its nature since there will never be more than one dedicated customer at any point in time in that VM. That customer has all of its users accessing that dedicated instance of the application.
References: http://sanganakauthority.blogspot.in/2011/12/multi-tenancy-and-windows- azure.html
New Questions 7
You need to provide support for updating the financial risk models in the WGBCreditCruncher app.
Which technology should you use?
A. a multi-threaded C# console app that uses an Azure Queue storage
B. ASP.NET WebHoouks that are triggered by Azure WebJobs
C. a Message Passing Interface (MPI) application that runs in Azure Batch
D. ASP.NET Web APIs that run in Azure Service Fabric
Answer: A
New Questions 8
You connect to an existing service over the network by using HTTP. The service listens on HTTP port 80. You plan to create a test environment for this existing service by using an Azure virtual machine (VM) that runs Windows Server.
The service must be accessible from the public Internet over HTTP port 8080. You need to configure the test environment. Which two actions should you take? Each correct answer presents part of the solution
A. Configure an endpoint to route traffic from port 8080 to port 80.
B. Configure an endpoint to route traffic from port 80 to port 8080.
C. Ensure that the public IP address is configured as a static IP address.
D. Configure the Windows Server firewall to allow incoming and outgoing traffic on port 8080.
E. Configure the Windows Server firewall to allow incoming and outgoing traffic on port 80.
Answer: A,E
New Questions 9
You have an Azure subscription that contains 10 VMs. All of the VMs are set to use the Basic VM tier and are located in the West US region. The storage account used for the VMs is set to Locally Redundant replication. The VMs are in an availability set.
You plan to deploy several web apps in Azure that will retrieve data from the virtual machines. The web apps will use a new App Service plan.
You need to ensure that the web apps remain available if the hardware in data center fails. The solution must minimize the Azure costs associated with bandwidth utilization.
What should you include in the solution?
A. Create a new storage account that is set to Geo-Redundant replication. Move the virtual machines to the new storage account. Set the App Service for the web apps to use the default app service.
B. Set the App Service plan for the web apps to any region other than West US region.
C. Create a new storage account that is set to Zone Redundant replication. Move the virtual machines to the new storage account. Set the App Service plan for the web apps to use the default app service.
D. Set the App Service plan for the web apps to use the default app service. Configure ExpressRoute for the Azure subscription.
Answer: A
New Questions 10
You manage an Azure subscription with virtual machines (VMs) that are running in Standard mode. You need to reduce the storage costs associated with the VMs. What should you do?
A. Locate and remove orphaned disks
B. Add the VMs to an affinity group.
C. Change VMs to the Basic tier.
D. Delete the VHD container
Answer: C
Explanation:
Removing orphaned disks would reduce storage, and the cost of storage.
New Questions 11
You are designing a Windows Azure application. The application includes two web roles and three instances of a worker role. The web roles will send requests to the worker role through one or more Windows Azure Queues. You have the following requirements:
-Ensure that each request is processed exactly one time.
-Minimize the idle time of each worker role instance.
-Maximize the reliability of request processing.
You need to recommend a queue design for sending requests to the worker role. What should you recommend?
A. Create a queue for each combination of web roles and worker role instances. Send requests to all worker role instances based on the sending web role.
B. Create a single queue. Send all requests on the single queue.
C. Create a queue for each worker role instance. Send requests on each worker queue by using a round robin rotation.
D. Create a queue for each web role. Send requests on all queues at the same time.
Answer: B
Explanation:
To communicate with the worker role, a web role instance places messages on to a queue. A worker role instance polls the queue for new messages, retrieves them, and processes them. There are a couple of important things to know about the way the queue service works in Azure. First, you reference a queue by name, and multiple role instances can share a single queue. Second, there is no concept of a typed message; you construct a message from either a string or a byte array. An individual message can be no more than 64 kilobytes (KB) in size.
References:
https://msdn.microsoft.com/en-gb/library/ff803365.aspx
http://azure.microsoft.com/en-gb/documentation/articles/cloud-services-dotnet-multi-tier-app-using-service-bus-queues/
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