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Share some HCNP-R&S H12-224-ENU exam questions and answers below. In OSPF, which of the following statements are incorrect regarding Router LSA generated by Router A.? A. In Point-to-Point link type, Data is set to the interface IP address of RouterA. B. In TransNet link type, Data is set to the interface IP address of RouterA. C. In StubNet link type, Data is set to the interface IP address of RouterA. D. In Virtual link type, Data is set to the Router ID of RouterA. Answer: CD
The NAT multi-instance function on the Eudemon independently maintains a NAT table for each instance to provide address translation services for instances. A. True B. False Answer: A
The Eudemon supports load balancing between multiple uplinks. A. True B. False Answer: A
The firewall can be working in routing mode, transparent mode, or composite mode. The default mode is the composite mode. A. True B. False Answer: B
Which of the following DDoS attacks can the Eudemon l000E defend against? A. SYN flood B. UDP flood C. ICMP flood Answer: ABC
Different virtual firewall instances on an Eudemon must be configured with the same security policy. A. True B. False Answer: B
Which of the following statements about NAT are true? A. NAT is short for "network address translation". B. NAT, also called address proxy, is used for translation between private and public network addresses. C. Hosts within the intranet can access the extranet without using NAT. D. NAT can effectively resolve the problem of IP address shortage. Answer: ABD
A firewall filters packets exchanged between zones but does not filter packets exchanged between interfaces in the same zone. A. True B. False Answer: A
The TCP SYN flood attack usually occurs during the TCP handshake process. How many handshakes are required to set up a TCP connection? A. 1 B. 2 C. 3 D. 4 Answer: C
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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.
You need to assign permissions for the Virtual Machine (VM) 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 user1@vanarsdelltd.com -RoleDefinitionName Contributor Answer: A
You are designing a plan to deploy a new application to Azure. The solution must provide a single sign-on experience for users. You need to recommend an authentication type. Which authentication type should you recommend? A. SAML credential tokens B. Azure managed access keys C. Windows Authentication D. MS-CHAP Answer: A
You need to configure the distribution tracking application. What should you do? A. Map each role to a single upgrade domain to optimize resource utilization. B. Design all services as stateless services. C. Configure operations to queue when a role reaches its capacity. D. Configure multiple worker roles to run on each virtual machine. Answer: D
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.
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
HOTSPOT 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:
DRAG DROP 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:
HOTSPOT 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:
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
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 web-hosting 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 on-premises. ¡¤ 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.
DRAG DROP 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:
DRAG DROP You need to provide a data access solution for the NorthRide app. Which four 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:
You need to recommend a data storage solution that meets the business continuity requirements. Which two features should you recommend? Each correct answer presents part of the solution. A. SQL Database Standard B. Azure Backup C. SQL Database Premium D. SQL Database Express Answer: A,B
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: B
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