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Q11. - (Topic 4)
You need to select the appropriate solution for monitoring the .NET application. What should you recommend?
A. Visual Studio IntelliTrace
B. Application Insights
C. Data Factory
D. Microsoft Analytics Platform
Answer: D
Topic 5, Northwind traders
Background Overview
Northwind Electric Cars is the premier provider of private, low-cost transportation in Denver. Northwind drivers are company employees who work together as a team. The founding partners believe that by hiring their drivers as employees, their drivers focus on providing a great customer experience. Northwind Electric Cars has a reputation for offering fast, reliable, and friendly service, due largely to their extensive network of drivers and their proprietary dispatching software named NorthRide.
Northwind Electric Cars drivers depend on frequent, automatic updates for the NorthRide mobile app. The Northwind management team is concerned about unplanned system downtime and slow connection speeds caused by high usage. Additionally, Northwind's in- house data storage solution is unsustainable because of the new influx of customer data
that is retained. Data backups are made periodically on DVDs and stored on-premises at corporate headquarters.
Apps NorthRide App
Northwind drivers use the NorthRide app to meet customer pickup requests. The app uses
a GPS transponder in each Northwind vehicle and Bing Maps APIs to monitor the location of each vehicle in the fleet in real time. NorthRide allows Northwind dispatchers to optimize their driver coverage throughout the city.
When new customers call, the dispatcher enters their pickup locations into NorthRide. NorthRide identifies the closest available driver. The dispatcher then contacts the driver with the pick-up details. This process usually results in a pick-up time that is far faster than the industry average.
Drivers use NorthRide to track the number of miles they drive and the number of customers they transport. Drivers also track their progress towards their established goals, which are measured by using key performance indicators (KPIs).
NorthRide App 2.0
Northwind Electric Cars is growing quickly. New callers often wait for their calls to be answered because the dispatchers are contacting their drivers to arrange pickups for other customers.
To support the growth of the business, Northwind's development team completes an overhaul of the NorthRide system that it has named NorthRide 2.0. When a dispatcher enters a customer's pickup location, the address and driving directions are automatically sent to the driver who is closest to the customer's pickup location.
Drivers indicate their availability on the NorthRide mobile app and can view progress towards their KPI's in real time. Drivers can also record customer ratings and feedback for each pickup.
Business Requirements Apps
NorthRideFinder App
Northwind Electric Cars needs a customer-facing website and mobile app that allows customers to schedule pickups. Customers should also be able to create profiles that will help ensure the customer gets a ride faster by storing customer information.
Predictor App
Northwind Electric Cars needs a new solution named Predictor. Predictor is an employee- facing mobile app. The app predicts periods of high usage and popular pickup locations and provides various ways to view this predictive data. Northwind uses this information to
better distribute its drivers. Northwind wants to use the latest Azure technology to create this solution.
Other Requirements
✑ On-premises data must be constantly backed up.
✑ Mobile data must be protected from loss, even if connectivity with the backend is lost.
✑ Dispatch offices need to have seamless access to both their primary data center and the applications and services that are hosted in the Azure cloud.
✑ Connectivity needs to be redundant to on-premises and cloud services, while providing a way for each dispatch office to continue to operate even if one or all of the connection options fail.
✑ The management team requires that operational data is accessible 24/7 from any office location.
Technical Requirements Apps and Website
NorthRide / NorthRideFinder Apps:
✑ The solution must support on-premises and Azure data storage.
✑ The solution must scale as necessary based on the current number of concurrent users.
✑ Customer pickup requests from NorthRideFinder must be asynchronous.
✑ The customer pickup request system will be high in volume, and each request will have a short life span.
✑ Data for NorthRideFinder must be protected during a loss of connectivity.
✑ NorthRide users must authenticate to the company's Azure Active Directory.
Northwind Public Website
✑ The customer website must use a WebJob to process profile images into thumbnails
✑ The customer website must be developed with lowest cost and difficulty in mind.
✑ The customer website must automatically scale to minimize response times for customers.
Other Requirements Data Storage:
✑ The data storage must interface with an on-premises Microsoft SQL backend database.
✑ A disaster recovery system needs to be in place for large amounts of data that will backup to Azure.
✑ Backups must be fully automated and managed the Azure Management Portal.
✑ The recovery system for company data must use a hybrid solution to back up both the on-premises Microsoft SQL backend and any Azure storage.
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.
Security:
✑ The NorthRide app must use an additional level of authentication other than the employee's password.
✑ Access must be secured in NorthRide without opening a firewall port.
✑ Company policy prohibits inbound connections from internet callers to the on- premises network.
✑ Customer usernames in NorthRideFinder cannot exceed 10 characters.
✑ Customer data in NorthRideFinder can be received only by the user ID that is associated with the data.
Q12. - (Topic 6)
A company has multiple Azure subscriptions. It plans to deploy a large number of virtual machines (VMs) into Azure.
You install the Azure PowerShell module, but you are unable connect to all of the company's Azure subscriptions.
You need to automate the management of the Azure subscriptions. Which two Azure PowerShell cmdlets should you run?
A. Get-AzurePublishSettingsFile
B. Import-AzurePublishSettingsFile
C. Add-AzureSubscription
D. Import-AzureCertificate
E. Get-AzureCertificate
Answer: A,B
Explanation: Before you start using the Windows Azure cmdlets to automate deployments, you must configure connectivity between the provisioning computer and Windows Azure. You can do this automatically by downloading the PublishSettings file from Windows Azure and importing it.
To download and import publish settings and subscription information
✑ At the Windows PowerShell command prompt, type the following command, and then press Enter.
Get-AzurePublishSettingsFile
2. Sign in to the Windows Azure Management Portal, and then follow the instructions to download your Windows Azure publishing settings. Save the file as a .publishsettings type file to your computer.
3. In the Windows Azure PowerShell window, at the command prompt, type the following command, and then press Enter.
Import-AzurePublishSettingsFile <mysettings>.publishsettings
Reference: How to: Download and Import Publish Settings and Subscription Information https://msdn.microsoft.com/en-us/library/dn385850%28v=nav.70%29.aspx
Q13. HOTSPOT - (Topic 2)
You need to plan the business continuity strategy.
For each requirement, what should you recommend? To answer, select the appropriate option from each list in the answer area.
Answer:
Q14. HOTSPOT - (Topic 6)
You have an on-premises Active Directory Domain Services domain. You are considering moving your infrastructure to Azure Active Directory.
You need describe the features that each directory service provides.
For each feature, what should you implement? To answer, select the appropriate option from each list in the answer area.
Answer:
Q15. DRAG DROP - (Topic 7)
You need to deploy the WGBLoanMaster app by using Azure PowerShell.
Which four Azure PowerShell cmdlets should you run in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Answer:
Q16. - (Topic 6)
You are evaluating an Azure application. The application includes the following elements:
✑ A web role that provides the ASP.NET user interface and business logic
✑ A single SQL database that contains all application data
Each webpage must receive data from the business logic layer before returning results to the client. Traffic has increased significantly. The business logic is causing high CPU usage.
You need to recommend an approach for scaling the application. What should you recommend?
A. Store the business logic results in Azure Table storage.
B. Vertically partition the SQL database.
C. Move the business logic to a worker role.
D. Store the business logic results in Azure local storage.
Answer: C
Explanation: For Cloud Services in Azure applications need both web and worker roles to
scale well.
Reference: Application Patterns and Development Strategies for SQL Server in Azure Virtual Machines
https://msdn.microsoft.com/en-us/library/azure/dn574746.aspx
Topic 7, Woodgrove Bank
Overview
Woodgrove Bank has 20 regional offices and operates 1,500 branch office locations. Each regional office hosts the servers, infrastructure, and applications that support that region. Woodgrove Bank plans to move all of Their on-premises resources to Azure, including virtual machine (VM)-based, line-of-business workloads, and SQL databases. You are the owner of the Azure subscription that Woodgrove Bank is using. Your team is using Git repositories hosted on GitHub for source control.
Security
Currently, Woodgrove Bank's Computer Security Incident Response Team (CSIRT) has a problem investigating security issues due to the lack of security intelligence integrated with their current incident response tools. This lack of integration introduces a problem during the detection (too many false positives), assessment, and diagnose stages. You decide to use Azure Security Center to help address this problem.
Woodgrove Bank has several apps with regulated data such as Personally Identifiable Information (PU) that require a higher level of security. All apps are currently secured by using an on-premises Active Directory Domain Services (AD DS). The company depends on following mission-critical apps: WGBLoanMaster, WGBLeaseLeader, and WGBCreditCruncher apps. You plan to move each of these apps to Azure as part of an app migration project.
Apps
The WGBLoanMaster app has been audited for transaction loss. Many transactions have been lost in processing and monetary write-offs have cost the bank. The app runs on two VMs that include several public end points.
The WGBteaseLeader app has been audited for several data breaches. The app includes a SQL Server database and a web-based portal. The portal uses an ASP.NET Web API function to generate a monthly aggregate report from the database.
The WGBCreditCruncher app runs on a VM and is load balanced at the network level. The app includes several stateless components and must accommodate scaling of increased credit processing. The app runs on a nightly basis to process credit transactions that are batched during the day. The app includes a web-based portal where customers can check their credit information. A mobile version of the app allows users to upload check images.
Business Requirements: WGBLoanMasterApp
The app audit revealed a need for zero transaction loss. The business is losing money due to the app losing and not processing loan information. In addition, transactions fail to process after running for a long time. The business has requested the aggregation processing to be scheduled for 01:00 to prevent system slowdown.
WGBLeaseLeader App
The app should be secured to stop data breaches. It the data is breached, it must not be readable. The app is continuing to see increased volume and the business does not want the issues presented in the WGBLoanMaster app. Transaction loss is unacceptable, and although the lease monetary amounts are smaller than loans, they are still an important profit center for Woodgrove Bank. The business would also like the monthly report to be automatically generated on the first of the month. Currently, a user must log in to the portal and click a button to generate the report.
WGBCreditCruncher app
The web-based portal area of the app must allow users to sign in with their Facebook credentials. The bank would like to allow this feature to enable more users to check their credit within the app.
Woodgrove Bank needs to develop a new financial risk modeling feature that they can include in the WGBCreditCruncher app. The financial risk modeling feature has not been developed due to costs associated with processing, transforming, and analyzing the large volumes of data that are collected. You need to find a way to implement parallel processing to ensure that the features runs efficiently, reliably, and quickly. The feature must scale based on computing demand to process the large volumes of data and output several financial risk models.
Technical Requirements: WGBLoanMaster App
The app uses several compute-intensive tasks that create long-running requests to the system. The app is critical to the business and must be scalable to increased loan processing demands. The VMs that run the app include a Windows Task Scheduler task that aggregates loan information from the app to send to a third party. This task runs a console app on the VM.
The app requires a messaging system to handle transaction processing. The messaging system must meet the following requirements:
*Allow messages to reside in the queue for up to a month
*Be able to publish and consume batches of messages
*Allow full integration with the Windows Communication Foundation (WCF) communication stack
*Provide a role-based access model to the queues, including different permissions for senders and receivers
You develop an Azure Resource Manager (ARM) template to deploy the VMs used to support the app. The template must be deployed to a new resource group and you must validate your deployment settings before creating actual resources.
WGBLeaseLeader App
The app must use Azure SQL Databases as a replacement to the current Microsoft SQL Server environment. The monthly report must be automatically generated.
The app requires a messaging system to handle transaction processing. The messaging system must meet the following requirements:
*Require server-side logs of all of the transactions run against your queues
*Track progress of a message within the queue
*Process the messages within 7 days
*Provide a differing timeout value per message
WGBCreditCruncher app
The app must
*Secure inbound and outbound traffic
*Analyze inbound network traffic for vulnerabilities.
*Use an instance-level public IP and allow web traffic on port 443 only.
*Upgrade the portal to a Single Page Application (SPA) that uses JavaScript Azure Active Directory (Azure AD), and the OAuth 2.0 implicit authorization grant to secure the Web API back end.
*Cache authentication and host the Web API back end using the Open Web Interface for
.NET (OWIN) middleware.
*Immediately compress check images received from the mobile web app.
*Schedule processing of the batched credit transactions on a nightly basis.
*Provide parallel processing and scalable computing resources to output financial risk models.
*Use simultaneous compute nodes to enable high performance computing and updating of the financial risk models.
Key Security Areas
Q17. DRAG DROP - (Topic 3)
You need to deploy the virtual machines to Azure.
Which four Azure PowerShell scripts should you run in sequence? To answer, move the appropriate scripts from the list of scripts to the answer area and arrange them in the correct order.
Answer:
Explanation:
Box 1:
Box 2:
Box 3:
Box 4:
Note:
* In order to upload a VHD file to Azure, we need :
✑ Azure PowerShell SDK
✑ A publish setting file
✑ An affinity group
✑ A Storage account
✑ A container
Topic 4, Lucerne Publishing
Background
Overview
Lucerne Publishing creates, stores, and delivers online media for advertising companies. This media is streamed to computers by using the web, and to mobile devices around the world by using native applications. The company currently supports the iOS, Android, and Windows Phone 8.1 platform.
Lucerne Publishing uses proprietary software to manage its media workflow. This software has reached the end of its lifecycle. The company plans to move its media workflows to the cloud. Lucerne Publishing provides access to its customers, who are third-party companies, so that they can download, upload, search, and index media that is stored on Lucerne Publishing servers.
Apps and Applications
Lucerne Publishing develops the applications that customers use to deliver media. The
company currently provides the following media delivery applications:
✑ Lucerne Media W - a web application that delivers media by using any browser
✑ Lucerne Media M - a mobile app that delivers media by using Windows Phone 8.1
✑ Lucerne Media A - a mobile app that delivers media by using an iOS device
✑ Lucerne Media N - a mobile app that delivers media by using an Android device
✑ Lucerne Media D - a desktop client application that customer's install on their local computer
Business Requirements
Lucerne Publishing's customers and their consumers have the following requirements:
✑ Access to media must be time-constricted once media is delivered to a consumer.
✑ The time required to download media to mobile devices must be minimized.
✑ Customers must have 24-hour access to media downloads regardless of their location or time zone.
✑ Lucerne Publishing must be able to monitor the performance and usage of its customer-facing app.
Lucerne Publishing wants to make its asset catalog searchable without requiring a database redesign.
✑ 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.
✑ Customers must be able to search for media assets by key words and media type.
✑ Lucerne Publishing wants to move the asset catalog database to the cloud without formatting the source data.
Other Requirements Development
Code and current development documents must be backed up at all times. All solutions
must be automatically built and deployed to Azure when code is checked in to source control.
Network Optimization
Lucerne Publishing has a .NET web application that runs on Azure. The web application analyzes storage and the distribution of its media assets. It needs to monitor the utilization of the web application. Ultimately, Lucerne Publishing hopes to cut its costs by reducing data replication without sacrificing its quality of service to its customers. The solution has the following requirements:
✑ Optimize the storage location and amount of duplication of media.
✑ Vary several parameters including the number of data nodes and the distance from node to customers.
✑ Minimize network bandwidth.
✑ Lucerne Publishing wants be notified of exceptions in the web application.
Technical Requirements Data Mining
Lucerne Publishing constantly mines its data to identify customer patterns. The company
plans to replace the existing on-premises cluster with a cloud-based solution. Lucerne Publishing has the following requirements:
Virtual machines:
✑ The data mining solution must support the use of hundreds to thousands of processing cores.
✑ Minimize the number of virtual machines by using more powerful virtual machines.
Each virtual machine must always have eight or more processor cores available.
✑ Allow the number of processor cores dedicated to an analysis to grow and shrink automatically based on the demand of the analysis.
✑ Virtual machines must use remote memory direct access to improve performance.
Task scheduling:
The solution must automatically schedule jobs. The scheduler must distribute the jobs based on the demand and available resources.
Data analysis results:
The solution must provide a web service that allows applications to access the results of analyses.
Other Requirements Feature Support
✑ Ad copy data must be searchable in full text.
✑ Ad copy data must indexed to optimize search speed.
✑ Media metadata must be stored in Azure Table storage.
✑ Media files must be stored in Azure BLOB storage.
✑ The customer-facing website must have access to all ad copy and media.
✑ The customer-facing website must automatically scale and replicate to locations around the world.
✑ Media and data must be replicated around the world to decrease the latency of data transfers.
✑ Media uploads must have fast data transfer rates (low latency) without the need to upload the data offline.
Security
✑ Customer access must be managed by using Active Directory.
✑ Media files must be encrypted by using the PlayReady encryption method.
✑ Customers must be able to upload media quickly and securely over a private connection with no opportunity for internet snooping.
Q18. - (Topic 5)
You need to recommend a technology for processing customer pickup requests. Which technology should you recommend?
A. Notification hub
B. Queue messaging
C. Mobile Service with push notifications
D. Service Bus messaging
Answer: D
Explanation: Service Bus queues are part of a broader Azure messaging infrastructure that supports queuing as well as publish/subscribe, Web service remoting, and integration patterns.
Service Bus Queue support Push-style API (while Azure Queue messaging does not).
Incorrect:
Not A: Notification Hub is only used to push notification, not for processing requests. Not B As a solution architect/developer, you should consider using Azure Queues when:
* Your application must store over 80 GB of messages in a queue, where the messages have a lifetime shorter than 7 days.
* Your application wants to track progress for processing a message inside of the queue. This is useful if the worker processing a message crashes. A subsequent worker can then use that information to continue from where the prior worker left off.
You require server side logs of all of the transactions executed against your queues. Not C: To process the messages we do not need push notification.
Reference: Azure Queues and Service Bus Queues - Compared and Contrasted
https://msdn.microsoft.com/en-us/library/azure/hh767287.aspx
Q19. - (Topic 4)
You need to recommend an appropriate solution for the data mining requirements. Which solution should you recommend?
A. Design a schedule process that allocates tasks to multiple virtual machines, and use the Azure Portal to create new VMs as needed.
B. Use Azure HPC Scheduler Tools to schedule jobs and automate scaling of virtual machines.
C. Use Traffic Manager to allocate tasks to multiple virtual machines, and use the Azure Portal to spin up new virtual machines as needed.
D. Use Windows Server HPC Pack on-premises to schedule jobs and automate scaling of virtual machines in Azure.
Answer: C
Explanation: * Microsoft Azure Traffic Manager allows you to control the distribution of user traffic to your specified endpoints, which can include Azure cloud services, websites, and other endpoints. Traffic Manager works by applying an intelligent policy engine to Domain Name System (DNS) queries for the domain names of your Internet resources. Your Azure cloud services or websites can be running in different datacenters across the world.
* Scenario:
Virtual machines:
✑ The data mining solution must support the use of hundreds to thousands of processing cores.
✑ Minimize the number of virtual machines by using more powerful virtual machines.
Each virtual machine must always have eight or more processor cores available.
✑ Allow the number of processor cores dedicated to an analysis to grow and shrink automatically based on the demand of the analysis.
✑ Virtual machines must use remote memory direct access to improve performance.
Task scheduling:
The solution must automatically schedule jobs. The scheduler must distribute the jobs based on the demand and available resources.
Reference: https://azure.microsoft.com/sv-se/documentation/articles/traffic-manager- overview/
Q20. DRAG DROP - (Topic 7)
You need to deploy the WGBLoanMaster app by using the Azure Command-Line Interface (CLI).
Which five commands should you run in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Answer: