###BeginCaseStudy###
Case Study: 1
VanArsdel, Ltd
Overview
VanArsdel, Ltd. builds skyscrapers, subways, and bridges. VanArsdel is a leader in using
technology to do construction better.
Overview
VanArsdel employees are able to use their own mobile devices for work activities because
the company recognizes that this usage enables employee productivity. Employees also
access Software as a Service (SaaS) applications, including DocuSign, Dropbox, and Citrix.
The company continues to evaluate and adopt more SaaS applications for its business.
VanArsdel uses Azure Active Directory (AD) to authenticate its employees, as well as MultiFactor Authentication (MFA). Management enjoys the ease with which MFA can be enabled
and disabled for employees who use cloud-based services. VanArsdel’s on-premises directory
contains a single forest.
Helpdesk:
VanArsdel creates a helpdesk group to assist its employees. The company sends email
messages to all its employees about the helpdesk group and how to contact it. Configuring
employee access for SaaS applications is often a time-consuming task. It is not always
obvious to the helpdesk group which users should be given access to which SaaS
applications. The helpdesk group must respond to many phone calls and email messages to
solve this problem, which takes up valuable time. The helpdesk group is unable to meet the
needs of VanArsdel’s employees.
However, many employees do not work with the helpdesk group to solve their access
problems. Instead, these employees contact their co-workers or managers to find someone
who can help them. Also, new employees are not always told to contact the helpdesk group
for access problems. Some employees report that they cannot see all the applications in the
Access Panel that they have access to. Some employees report that they must re-enter their
passwords when they access cloud applications, even though they have already authenticated.
Bring your own device (BYOD):
VanArsdel wants to continue to support users and their mobile and personal devices, but the
company is concerned about how to protect corporate assets that are stored on these devices.
The company does not have a strategy to ensure that its data is removed from the devices
when employees leave the company.
Customer Support
VanArsdel wants a mobile app for customer profile registration and feedback. The company
would like to keep track of all its previous, current, and future customers worldwide. A
profile system using third-party authentication is required as well as feedback and support
sections for the mobile app.
Migration:
VanArsdel plans to migrate several virtual machine (VM) workloads into Azure. They also
plan to extend their on-premises Active Directory into Azure for mobile app authentication.
Business Requirements
Hybrid Solution:
• A single account and credentials for both on-premises and cloud
applications
• Certain applications that are hosted both in Azure and on-site must be
accessible to both VanArsdel employees and partners
• The service level agreement (SLA) for the solution requires an uptime
of 99.9%
• The partners all use Hotmail.com email addresses
Mobile App:
VanArsdel requires a mobile app for project managers on construction job sites. The mobile
app has the following requirements:
• The app must display partner information.
• The app must alert project managers when changes to the partner
information occur.
• The app must display project information including an image gallery to
view pictures of construction projects.
• Project managers must be able to access the information remotely and
securely.
Security:
• VanArsdel must control access to its resources to ensure sensitive
services and information are accessible only by authorized users and/or
managed devices.
• Employees must be able to securely share data, based on corporate
policies, with other VanArsdel employees and with partners who are located
on construction job sites.
• VanArsdel management does NOT want to create and manage user
accounts for partners.
Technical Requirements
Architecture:
• VanArsdel requires a non-centralized stateless architecture fonts data
and services where application, data, and computing power are at the logical
extremes of the network.
• VanArsdel requires separation of CPU storage and SQL services
Data Storage:
VanArsdel needs a solution to reduce the number of operations on the contractor information
table. Currently, data transfer rates are excessive, and queue length for read/write operations
affects performance.
• A mobile service that is used to access contractor information must
have automatically scalable, structured storage
• Images must be stored in an automatically scalable, unstructured form.
Mobile Apps:
• VanArsdel mobile app must authenticate employees to the company’s
Active Directory.
• Event-triggered alerts must be pushed to mobile apps by using a
custom Node.js script.
• The customer support app should use an identity provider that is
configured by using the Access Control Service for current profile registration
and authentication.
• The customer support team will adopt future identity providers that are
configured through Access Control Service.
Security:
• Active Directory Federated Server (AD FS) will be used to extend AD
into Azure.
• Helpdesk administrators must have access to only the groups of Azure
resources they are responsible for. Azure administration will be performed by
a separate group.
• IT administrative overhead must be minimized.
• Permissions must be assigned by using Role Based Access Control
(RBAC).
• Line of business applications must be accessed securely.
###EndCaseStudy###
You need to design the system that alerts project managers to data changes in the contractor
information app.
Which service should you use?
A.
Azure Mobile Service
B.
Azure Service Bus Message Queueing
C.
Azure Queue Messaging
D.
Azure Notification Hub
Explanation:
* Scenario:
/ Mobile Apps: Event-triggered alerts must be pushed to mobile apps by using a custom Node.js
script.
/ The service level agreement (SLA) for the solution requires an uptime of 99.9%
* If you are already using Azure Storage Blobs or Tables and you start using queues, you are
guaranteed 99.9% availability. If you use Blobs or Tables with Service Bus queues, you will have
lower availability.
Note: Microsoft Azure supports two types of queue mechanisms: Azure Queues and Service Bus
Queues.
/ Azure Queues, which are part of the Azure storage infrastructure, feature a simple REST-based
Get/Put/Peek interface, providing reliable, persistent messaging within and between services.
/ 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.Azure Queues and Service Bus Queues – Compared and Contrasted
https://msdn.microsoft.com/en-us/library/azure/hh767287.aspx
I think this should be B, Azure Queue doesn’t do push notifications, SB does.
It sounds like the custom Node.js script is what is doing the actual push?
Custom Node.js is calling the service bus message queue to do the actual push i think
yeah B
In the case study it states – Event-triggered alerts must be pushed to mobile apps by using a custom Node.js script.
Therefore I think this scenario calls for the use of D – Azure Notification Hub.
https://azure.microsoft.com/en-us/documentation/articles/notification-hubs-nodejs-how-to-use-notification-hubs/
Also with queues, a message consumer (receiver) pulls the message from the queue, not push a message out. That would eliminate B and C.
it’s B
actually , it might be B and D
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NEW QUESTION 143
You have an on-premises data center and an Azure subscription. The Azure subscription has services that are hosted in the East US region. You have servers that run Windows Server 2012 R2. The servers are located on-premises and in both Azure regions. You plan to deploy Microsoft System Center 2012 R2 Data Protection Manager (DPM) to protect all of the servers. The DPM deployment has the following requirements:
– Centralize the management of all backups
– Minimize the costs associated with bandwidth usage
– Protect Microsoft SharePoint and Microsoft SQL Server workloads for up to nine years
You need to recommend which components must be configured to support the planned deployment. What should you include in the recommendation? To answer, select the appropriate options in the answer area.
ANSWER AREA
Number of DPM servers: 0-3
Number of Azure backup vaults: 0-2
Answer:
Number of DPM servers: 1
Number of Azure backup vaults: 2
……
NEW QUESTION 145
You work for a company named Contoso, Ltd. The network contains an on premises Active Directory domain that has Active Directory Federation Services (AD FS). Contoso uses an internally developed claims … App1. You implement directory synchronization with Azure Active Directory (Azure AD). You need to recommend which configuration should be performed to… Single-Sign-On to App1 to…authenticated by Azure AD. Which two configuration should you include in the recommendation?
A. Azure AD as claims provided trust
B. App1 as a claims provide
C. Azure AD as relying party trust
D. App1 as relying party trust
Answer: BC
……
NEW QUESTION 149
You need to encrypt a media file. Which type of encryption should you use?
A. Secure token service
B. PlayReady
C. Storage
D. Envelope
Answer: B
……
NEW QUESTION 163
You have an Azure subscription named Subscription1. You create several Azure VMs in Subscription1. All of the VMs belong to the same virtual network. You have an on-premises Hyper-V server named Server1. Server1 hosts a virtual machine named VM1. You plan to replicate VM1 to Azure. You need to create additional objects in Subscription1 to support the planned deployment. Which three objects should you create? Each correct answer presents part of the solution.
A. An Azure Site Recovery vault
B. An endpoint
C. A protection group
D. A Hyper-V site
E. A storage account
F. A Traffic Manager
Answer: ADE
Explanation:
docs.microsoft.com/en-us/azure/site-recovery/site-recovery-hyper-v-site-to-azure
……
NEW QUESTION 168
You develop an ASP.NET Web API that is hosted as an Azure Web API. The API uses a WebJob to process information. The WebJob has a very long start up time. You configure the WebJob to run continuously. You observe that the WebJob is not running and processing information as expected. You need to ensure the WebJob runs continuously. What should you do?
A. Update the API to self-host by using the Open Web interface for .NET (OWIN).
Migrate the API to Azure Service Fabric.
B. Enable the Always On configuration setting for the Web App.
C. Include a settings. Job JSON file at the root of the WebJob zip file and include a valid CRON expression.
D. Schedule the WebJob by using the Azure Scheduler.
Answer: B
Explanation:
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NEW QUESTION 169
You are the administrator for a company that has an Azure Premium Storage account. You receive a .vhdx from the development team. You plan to create one unique Azure virtual machine (VM) from the file. You plan to run the VM as a domain controller. You need to upload the -vhdx file to Azure. Which four actions should you perform in sequence? To answer, move the appropriate actions from the list actions to the answer area and arrange them in the correct order.
– Register the .vhdx file as an Azure OS disk
– Run the following Azure PowerShell cmdlet: Convert-VHD
– Create a new DS series Azure VM instance
– Upload the file to an Azure Storage account
– Register the .vhdx file as an Azure VM image
– Run Sysprep
Answer:
Run the following Azure PowerShell cmdlet: Convert-VHD
Upload the file to an Azure Storage account
……
NEW QUESTION 171
You are designing an Azure application that provides online backup storage for hundrers of media files. Each file is larger than 1 GB. 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 date storage solution. What should you recommend?
A. Azure Page Blob
B. Azure Block Blob
C. Local storage on the VM
D. Store data in the VHD file
Answer: A
NEW QUESTION 172
Your company has an Azure subscription. The company plans to implement an Azure Web App nameb WebApp1. You need to recommend a solution to optimize the compute resources consumed by the Web App. The solution must minimize costs and provide a separation of resources. Which service plan should you recommend?
A. Basic
B. Free
C. Premium
D. Shared
E. Standard
Answer: E
……
NEW QUESTION 174
You develop a new Azure Web App that uses multiple azure Blobs and static content. The Web App uses a large number of JavaScript files and cascading style sheets. Some old theses files contain references of the other files. Users are geographically dispersed. You need to minimize the time to load individual pages. What should you do?
A. Create a services layer by using and Azure-hosted ASP.NET web API.
B. Migrate the Web App to Azure Services Fabric.
C. Enable the Always On feature of the Web App.
D. Use an Azure Content Delivery Network (CDN).
E. Implement an Azure Redis Cache.
Answer: D
……
NEW QUESTION 177
You manage a cloud service that has one Web Role instance, and several Worker Role instances. The cloud services has multiple tiers. Different groups develop and maintain each tier. You need to ensure that the cloud service remains highly available and responsive when the worker roles are performing extensive work. What should you do?
A. Create an availability set with two or more virtual machines.
B. Create an availability set for each tier of the application.
C. Create a resource group.
D. Implement auto-scaling for the Worker Roles.
Answer: D
……
NEW QUESTION 180
You need to support the disaster recovery requirements of the web application and API. Which two actions should you perform? Each correct answer presents part of the solution.
A. Configure automated backups of the API and web application.
B. Create a new Azure SQL Data Warehouse and connect it to the web application and API.
C. Deploy the API and web application to multiple locations.
D. Enable Application Insights for the web application and API.
E. Create an Azure Redis Cache for the web application and API.
Answer: AC
NEW QUESTION 181
……
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