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Q1. - (Topic 6)
You have several virtual machines (VMs) that run in Azure. You also have a single System Center 2012 R2 Configuration Manager (SCCM) primary site on-premises.
You have the following requirements:
All VMs must run on the same virtual network.
Network traffic must be minimized between the on-premises datacenter and Azure.
The solution minimize complexity.
You need to use SCCM to collect inventory and deploy software to Azure VMs.
What should you do first?
A. Configure client push for the Azure virtual network.
B. Enable and configure Operations Insights in Azure.
C. Install a cloud distribution point on an Azure VM.
D. Install a secondary site underneath the primary site onto an Azure VM.
Answer: C
Explanation: Cloud-based distribution Point, a Configuration Manager Site System Role in the Cloud
Much of the Configuration Manager topology is made up of distribution points, they are very helpful in many situations where bandwidth and geographical separation are the facts of life, but also hard to manage if you have hundreds or even thousands of them.
This feature started with the vision that it makes perfect sense to have big distribution points in the Windows Azure cloud where one should not worry about things like (but not limited to) size, performance, reliability, security, access from all around the world, hardware/software update issues etc.
Note: Content management in System Center 2012 Configuration Manager provides the tools for you to manage content files for applications, packages, software updates, and operating system deployment. Configuration Manager uses distribution points to store files that are required for software to run on client computers. These distribution points function as distribution centers for the content files and let users download and run the software.
Clients must have access to at least one distribution point from which they can download the files.
Reference: New Distribution Points in Configuration Manager SP1
http://blogs.technet.com/b/configmgrteam/archive/2013/01/31/new-distribution-points-in-configuration-manager-sp1.aspx
Q2. - (Topic 6)
A company hosts a website and exposes web services on the company intranet.
The intranet is secured by using a firewall. Company policies prohibit changes to firewall
rules.
Devices outside the firewall must be able to access the web services.
You need to recommend an approach to enable inbound communication.
What should you recommend?
A. The Azure Access Control Service
B. Windows Azure Pack
C. The Azure Service Bus
D. A web service in an Azure role that relays data to the internal web services
Answer: C
Explanation: The Service Bus Relay is designed for the use-case of taking existing Windows Communication Foundation (WCF) web services and making those services securely accessible to solutions that reside outside the corporate perimeter without requiring intrusive changes to the corporate network infrastructure. Such Service Bus relay services are still hosted inside their existing environment, but they delegate listening for incoming sessions and requests to the cloud-hosted Service Bus.
Reference: .NET On-Premises/Cloud Hybrid Application Using Service Bus Relay
http://azure.microsoft.com/en-gb/documentation/articles/cloud-services-dotnet-hybrid-app-using-service-bus-relay/
Q3. - (Topic 3)
You need to recommend a solution for publishing one of the company websites to Azure and configuring it for remote debugging.
Which two actions should you perform? Each correct answer presents part of the solution.
A. From Visual Studio, attach the debugger to the solution.
B. Set the application logging level to Verbose and enable logging.
C. Set the Web Server logging level to Information and enable logging.
D. Set the Web Server logging level to Verbose and enable logging.
E. From Visual Studio, configure the site to enable Debugger Attaching and then publish the site.
Answer: A,D
Explanation: * Scenario:
/ Mitigate the need to purchase additional tools for monitoring and debugging.
/A debugger must automatically attach to websites on a weekly basis. The scripts that
handle the configuration and setup of debugging cannot work if there is a delay in attaching
the debugger.
* A: After publishing your application you can use the Server Explorer in Visual Studio to
access your web sites.
After signing in you will see your Web Sites under the Windows Azure node in Server
Explorer. Right click on the site that you would like to debug and select Attach Debugger.
D: We need to debug the web site, not an application. We should use the more informative
Verbose logging level.
Reference: Remote Debugging a Window Azure Web Site with Visual Studio 2013
http://blogs.msdn.com/b/webdev/archive/2013/11/05/remote-debugging-a-window-azure-web-site-with-visual-studio-2013.aspx
Q4. - (Topic 5)
You need to recommend the appropriate technology to provide the predictive analytics for passenger pickup.
What should you do?
A. Use Power BI to analyze the traffic data and PowerPivot to categorize the results.
B. Use HDInsight to analyze the traffic data and write a .NET program to categorize the results.
C. Use Machine Learning Studio to create a predictive model and publish the results as a web service.
D. Use Hadoop on-premises to analyze the traffic and produce a report that shows high traffic zones.
Answer: C
Explanation: * Scenario: Predictive Routing:
/ An Azure solution must be used for prediction systems.
/ Predictive analytics must be published as a web service and accessible by using the
REST API.
* Microsoft Azure Machine Learning Studio is a collaborative visual development environment that enables you to build, test, and deploy predictive analytics solutions that operate on your data. The Machine Learning service and development environment is cloud-based, provides compute resource and memory flexibility, and eliminates setup and installation concerns because you work through your web browser.
Reference: What is Azure Machine Learning Studio?
https://azure.microsoft.com/en-us/documentation/articles/machine-learning-what-is-ml-studio/
Q5. - (Topic 6)
You are designing an Azure application that will use a worker role. The worker role will create temporary files.
You need to minimize storage transaction charges.
Where should you create the files?
A. In Azure local storage
B. In Azure Storage page blobs
C. On an Azure Drive
D. In Azure Storage block blobs
Answer: A
Explanation: Local storage is temporary in Azure. So, if the virtual machine supporting your role dies and cannot recover, your local storage is lost! Therefore, Azure developers will tell you, only volatile data should ever be stored in local storage of Azure.
Reference: Windows Azure Local File Storage How To Guide And Warnings
http://www.intertech.com/Blog/windows-azure-local-file-storage-how-to-guide-and-warnings/
Reference: http://blog.codingoutloud.com/2011/06/12/azure-faq-can-i-write-to-the-file-system-on-windows-azure/
Q6. - (Topic 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 application’s 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.
Reference: Multi Tenancy and Windows Azure. Overview of Multi tenant Application and Single tenant Application Architectural considerations.
http://sanganakauthority.blogspot.in/2011/12/multi-tenancy-and-windows-azure.html
Q7. HOTSPOT - (Topic 6)
A company uses Azure for several virtual machine (VM) and website workloads. The company plans to assign administrative roles to a specific group of users. You have a resource group named GROUP1 and a virtual machine named VM2.
The users have the following responsibilities:
You need to assign the appropriate level of privileges to each of the administrators by using the principle of least privilege.
What should you do? To answer, select the appropriate target objects and permission levels in the answer area.
Answer:
Q8. - (Topic 4)
You need to analyze Lucerne’s performance monitoring solution.
Which three applications should you monitor? Each correct answer presents a complete solution.
A. The Lucerne Media-D application
B. The data mining application
C. The Lucerne Media-W application
D. The Lucerne Media-M app
E. The Lucerne Media-N app
Answer: C,D,E
Explanation: Monitor the web application and the mobile apps.
C: Lucerne Media W - a web application that delivers media by using any browser
D: Lucerne Media M - a mobile app that delivers media by using Windows Phone 8.1
E: Lucerne Media N - a mobile app that delivers media by using an Android device
* Scenario:
/ Lucerne Publishing must be able to monitor the performance and usage of its customer-
facing app.
/ Customers must be able to access all data by using a web application. They must also be
able to access data by using a mobile app that is provided by Lucerne Publishing.
Q9. - (Topic 6)
You are designing an Azure development environment. Team members learn Azure development techniques by training in the development environment.
The development environment must auto scale and load balance additional virtual machine (VM) instances.
You need to recommend the most cost-effective compute-instance size that allows team members to work with Azure in the development environment.
What should you recommend?
A. Azure A1 standard VM Instance
B. Azure A2 basic VM Instance
C. Azure A3 basic VM Instance
D. Azure A9 standard VM Instance
Answer: A
Explanation: Azure A1 standard VM Instance would be cheapest with 1 CPU core, 0.75 GB RAM, and 40 GB HD. It would be good enough for training purposes.
Reference: Virtual Machines Pricing, Launch Windows Server and Linux in minutes
http://azure.microsoft.com/en-us/pricing/details/virtual-machines/
Q10. - (Topic 6)
You are designing an Azure application. The application includes services hosted in different geographic locations. The service locations may change.
You must minimize the cost of communication between services.
You need to recommend an approach for data transmission between your application and Azure services. The solution must minimize administrative effort.
What should you recommend?
A. Azure Table storage
B. Service Bus
C. Service Management API
D. Azure Queue storage
Answer: B
Explanation: The cost of ACS transactions is insignificant when performing messaging operations against Service Bus queues. Service Bus acquires one ACS token per a single instance of the messaging factory object. The token is then reused until it expires, after about 20 minutes. Therefore, the volume of messaging operations in Service Bus is not directly proportional to the amount of ACS transactions required to support these operations.
Reference: Azure Queues and Service Bus Queues - Compared and Contrasted
https://msdn.microsoft.com/library/azure/hh767287.aspx