70-354 Exam
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Exam Code: 70-354 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Universal Windows Platform – App Architecture and UX/UI
Certification Provider: Microsoft
Free Today! Guaranteed Training- Pass 70-354 Exam.
Q11. - (Topic 3)
You need to configure availability for the virtual machines that the company is migrating to Azure.
What should you implement?
A. Traffic Manager
B. Express Route
C. Update Domains
D. Cloud Services
Answer: B
Explanation: ExpressRoute gives you a fast and reliable connection to Azure making it suitable for scenarios like periodic data migration, replication for business continuity, disaster recovery and other high availability strategies. It can also be a cost-effective option for transferring large amounts of data such as datasets for high performance computing applications or moving large VMs between your dev/test environment in Azure and on-premises production environment.
Reference: ExpressRoute, Experience a faster, private connection to Azure
http://azure.microsoft.com/en-us/services/expressroute/
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 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:
Q14. - (Topic 6)
You design an Azure web application. The web application is accessible by default as a standard cloudapp.net URL.
You need to recommend a DNS resource record type that will allow you to configure access to the web application by using a custom domain name.
Which DNS record type should you recommend?
A. SRV
B. MX
C. CNAME
D. A
Answer: C
Explanation: A CNAME record maps a specific domain, such as contoso.com or www.contoso.com, to a canonical domain name. In this case, the canonical domain name is the <myapp>.cloudapp.net domain name of your Azure hosted application. Once created, the CNAME creates an alias for the <myapp>.cloudapp.net. The CNAME entry will resolve to the IP address of your <myapp>.cloudapp.net service automatically, so if the IP address of the cloud service changes, you do not have to take any action.
Incorrect: Not D:
*
Since an A record is mapped to a static IP address, it cannot automatically resolve changes to the IP address of your Cloud Service.
*
An A record maps a domain, such as contoso.com or www.contoso.com, or a wildcard domain such as *.contoso.com, to an IP address. In the case of an Azure Cloud Service, the virtual IP of the service. So the main benefit of an A record over a CNAME record is that you can have one entry that uses a wildcard, such as *.contoso.com, which would handle requests for multiple sub-domains such as mail.contoso.com, login.contoso.com, or
www.contso.com.
Reference: Configuring a custom domain name for an Azure cloud service
http://azure.microsoft.com/en-gb/documentation/articles/cloud-services-custom-domain-name/
Q15. - (Topic 6)
You are designing a solution that will interact with non-Windows applications over unreliable network connections. You have a security token for each non-Windows application.
You need to ensure that non-Windows applications retrieve messages from the solution.
Where should you retrieve messages?
A. An Azure Queue
B. The Azure Service Bus Queue
C. An Azure blob storage container that has a private access policy
D. Azure Table storage
Answer: B
Explanation: Any Microsoft or non-Microsoft applications can use a Service Bus REST
API to manage and access messaging entities over HTTPS.
By using REST applications based on non-Microsoft technologies (e.g. Java, Ruby, etc.)
are allowed not only to send and receive messages from the Service Bus, but also to
create or delete queues, topics and subscription in a given namespace.
: Service Bus Explorer
https://code.msdn.microsoft.com/windowsazure/service-bus-explorer-f2abca5a
Q16. DRAG DROP - (Topic 6)
You are migrating Active Directory Domain Services (AD DS) domains to Azure.
You need to recommend the least complex directory synchronization solution.
What should you recommend? To answer, drag the appropriate solution to the correct client requirement. Each solution may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Answer:
Q17. - (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
Q18. DRAG DROP - (Topic 3)
You need to recommend network connectivity solutions for the experimental applications.
What should you recommend? To answer, drag the appropriate solution to the correct network connection requirements. Each solution may be used once, more than once, or not
at all. You may need to drag the split bar between panes or scroll to view content.
Answer:
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.
19. HOTSPOT - (Topic 4)
The company has two corporate offices. Customers will access the websites from datacenters around the world.
You need to architect the global website strategy to meet the business requirements. Use the drop-down menus to select the answer choice that answers each question.
Answer:
Q19. - (Topic 1)
You need to assign permissions for the Virtual Machine workloads that you migrate to Azure.
The solution must use the principal of least privileges.
What should you do?
A. Create all VMs in the cloud service named Groupl and then connect to the Azure
subscription. Run the following Windows PowerShell command:
New-AzureRoleAssignment -Mail user1@vanarsdelltd.com -RoleDefinitionName
Contributor -ResourceGroupName group1
B. In the Azure portal, select an individual virtual machine and add an owner.
C. In the Azure portal, assign read permission to the user at the subscription level.
D. Create each VM in a separate cloud service and then connect to the Azure subscription.
Run the following Windows PowerShell command:
Get-AzureVM | New-AzureRoleAssignment -Mail userl@vanarsdelltd.com -
RoleDefinitionName Contributor
Answer: A
Explanation: * Scenario: Permissions must be assigned by using Role Based Access Control (RBAC).
* Role-Based access control (RBAC) in the Azure Portal and Azure Resource Management API allows you to manage access to your subscription at a fine-grained level. With this feature, you can grant access for Active Directory users, groups, or service principals by assigning some roles to them at a particular scope.
Create a role assignment
Use New-AzureRoleAssignment to create a role assignment.
Example: This will create a role assignment for a group at a resource group level.
PS C:\> New-AzureRoleAssignment -ObjectID <group object ID> -RoleDefinitionName
Reader -ResourceGroupName group1
Reference: Managing Role-Based Access Control with Windows PowerShell
https://azure.microsoft.com/en-gb/documentation/articles/role-based-access-control-powershell/
Q20. - (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/