70-354 Exam
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2021 Jan 70-354 free practice test
Q1. - (Topic 6)
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:
It must be capable of storing an average of 1TB of data for each user. It must support sharing of data between all Windows Azure instances. It must provide random read/write access.
You need to recommend a durable data storage solution.
What should you recommend?
A. Azure Drive
B. Azure Page Blob service
C. Azure Block Blob service
D. Local storage on an Azure instance
Answer: B
Reference: Understanding Block Blobs and Page Blobs https://msdn.microsoft.com/en-us/library/azure/ee691964.aspx
Q2. - (Topic 5)
You need to design the authentication solution for the NorthRide app. Which solution should you use?
A. Azure Active Directory Basic with multi-factor authentication for the cloud and on-premises users.
B. Active Directory Domain Services with mutual authentication
C. Azure Active Directory Premium and add multi-factor authentication the for cloud users
D. Active Directory Domain Services with multi-factor authentication
Answer: C
Explanation: * Scenario: The NorthRide app must use an additional level of authentication other than the employee's password.
* Azure Multi-Factor Authentication is the multi-factor authentication service that requires users to also verify sign-ins using a mobile app, phone call or text message. It is available to use with Azure Active Directory, to secure on-premise resources with the Azure Multi-Factor Authentication Server, and with custom applications and directories using the SDK.
Reference: What is Azure Multi-Factor Authentication?
https://azure.microsoft.com/en-us/documentation/articles/multi-factor-authentication/
Reference: Azure Active Directory Pricing
http://azure.microsoft.com/en-gb/pricing/details/active-directory/
Q3. - (Topic 6)
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 – 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. Reference: 5 – Executing Background Tasks https://msdn.microsoft.com/en-gb/library/ff803365.aspx Reference: Azure Queues and Service Bus Queues - Compared and Contrasted https://msdn.microsoft.com/en-us/library/azure/hh767287.aspx
Q4. DRAG DROP - (Topic 2)
You need to recommend a test strategy for the disaster recovery system.
What should you do? To answer, drag the appropriate test strategy to the correct business application. Each test strategy 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 3, Contoso, Ltd
Background
Overview
Contoso, Ltd., manufactures and sells golf clubs and golf balls. Contoso also sells golf accessories under the Contoso Golf and Odyssey brands worldwide.
Most of the company's IT infrastructure is located in the company's Carlsbad, California, headquarters. Contoso also has a sizable third-party colocation datacenter that costs the company USD $30,000 to $40,000 a month. Contoso has other servers scattered around the United States.
Contoso, Ltd., has the following goals:
Move many consumer-facing websites, enterprise databases, and enterprise web services to Azure.
Improve the performance for customers and resellers who are access company websites from around the world.
Provide support for provisioning resources to meet bursts of demand.
Consolidate and improve the utilization of website- and database-hosting resources.
Avoid downtime, particularly that caused by web and database server updating.
Leverage familiarity with Microsoft server management tools.
Infrastructure
Contoso's datacenters are filled with dozens of smaller web servers and databases that run on under-utilized hardware. This creates issues for data backup. Contoso currently backs up data to tape by using System Center Data Protection Manager. System Center Operations Manager is not deployed in the enterprise.
All of the servers are expensive to acquire and maintain, and scaling the infrastructure takes significant time. Contoso conducts weekly server maintenance, which causes downtime for some of its global offices. Special events, such as high-profile golf tournaments, create a large increase in site traffic. Contoso has difficulty scaling the webhosting environment fast enough to meet these surges in site traffic.
Contoso has resellers and consumers in Japan and China. These resellers must use applications that run in a datacenter that is located in the state of Texas, in the United States. Because of the physical distance, the resellers experience slow response times and downtime.
Business Requirements
Management and Performance
Management
Web servers and databases must automatically apply updates to the operating system and products.
Automatically monitor the health of worldwide sites, databases, and virtual machines.
Automatically back up the website and databases.
Manage hosted resources by using on-premises tools.
Performance
The management team would like to centralize data backups and eliminate the use of tapes.
The website must automatically scale without code changes or redeployment.
Support changes in service tier without reconfiguration or redeployment.
Site-hosting must automatically scale to accommodate data bandwidth and number of connections.
Scale databases without requiring migration to a larger server.
Migrate business critical applications to Azure.
Migrate databases to the cloud and centralize databases where possible.
Business Continuity and Support
Business Continuity
Minimize downtime in the event of regional disasters.
Recover data if unintentional modifications or deletions are discovered.
Run the website on multiple web server instances to minimize downtime and support a high service level agreement (SLA).
Connectivity
Allow enterprise web services to access data and other services located onpremises.
Provide and monitor lowest latency possible to website visitors.
Automatically balance traffic among all web servers.
Provide secure transactions for users of both legacy and modern browsers.
Provide automated auditing and reporting of web servers and databases.
Support single sign-on from multiple domains.
Development Environment
You identify the following requirements for the development environment:
Support the current development team's knowledge of Microsoft web development and SQL Service tools.
Support building experimental applications by using data from the Azure deployment and on-premises data sources.
Mitigate the need to purchase additional tools for monitoring and debugging.
System designers and architects must be able to create custom Web APIs without requiring any coding.
Support automatic website deployment from source control.
Support automated build verification and testing to mitigate bugs introduced during builds.
Manage website versions across all deployments.
Ensure that website versions are consistent across all deployments.
Technical Requirement
Management and Performance
Management
Use build automation to deploy directly from Visual Studio.
Use build-time versioning of assets and builds/releases.
Automate common IT tasks such as VM creation by using Windows PowerShell workflows.
Use advanced monitoring features and reports of workloads in Azure by using existing Microsoft tools.
Performance
Websites must automatically load balance across multiple servers to adapt to varying traffic.
In production, websites must run on multiple instances.
First-time published websites must be published by using Visual Studio and scaled to a single instance to test publishing.
Data storage must support automatic load balancing across multiple servers.
Websites must adapt to wide increases in traffic during special events.
Azure virtual machines (VMs) must be created in the same datacenter when applicable.
Business Continuity and Support
Business Continuity
Automatically co-locate data and applications in different geographic locations.
Provide real-time reporting of changes to critical data and binaries.
Provide real-time alerts of security exceptions.
Unwanted deletions or modifications of data must be reversible for up to one month, especially in business critical applications and databases.
Any cloud-hosted servers must be highly available.
Enterprise Support
The solution must use stored procedures to access on-premises SQL Server data from Azure.
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.
14. HOTSPOT - (Topic 3)
You need implement tools at the client's location for monitoring and deploying Azure resources.
Which tools should you use? To answer, select the appropriate on-premises tool for each task in the answer area.
Answer:
Q5. HOTSPOT - (Topic 2)
You need to design a data storage strategy for each application.
In the table below, identify the strategy that you should use for each application. Make only one selection in each column.
Answer:
Avant-garde 70-354 free draindumps:
Q6. ic 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 Multi-Factor 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.
1. - (Topic 1)
You need to prepare the implementation of data storage for the contractor information app.
What should you?
A. Create a storage account and implement multiple data partitions.
B. Create a Cloud Service and a Mobile Service. Implement Entity Group transactions.
C. Create a Cloud Service and a Deployment group. Implement Entity Group transactions.
D. Create a Deployment group and a Mobile Service. Implement multiple data partitions.
Answer: B
Explanation:
* Scenario: / 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
* The basic unit of deployment and scale in Azure is the Cloud Service.
Reference: Performing Entity Group Transactions
https://msdn.microsoft.com/en-us/library/azure/dd894038.aspx
Q7. - (Topic 1)
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
Answer: C
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
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 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
Q10. DRAG DROP - (Topic 5)
You need to design the notification service for the customer-facing mobile app.
Which three actions should you perform 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: