Topic 5: Misc. Questions
Your company has two on-premises sites in New York and Los Angeles and Azure virtual networks in the East US Azure region and the West US Azure region. Each on-premises site has Azure ExpressRoute circuits to both regions. You need to recommend a solution that meets the following requirements:
Outbound traffic to the Internet from workloads hosted on the virtual networks must be routed through the closest available on-premises site.
If an on-premises site fails, traffic from the workloads on the virtual networks to the Internet must reroute automatically to the other site.
What should you include in the recommendation? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
You have an on-premises network that uses on IP address space of 172.16.0.0/16.
You plan to deploy 25 virtual machines to a new azure subscription.
You identity the following technical requirements.
All Azure virtual machines must be placed on the same subnet subnet1.
All the Azure virtual machines must be able to communicate with all on premises severs.
The servers must be able to communicate between the on-premises network and Azure by using a site to site VPN.
You need to recommend a subnet design that meets the technical requirements.
What should you include in the recommendation? To answer, drag the appropriate network addresses to the correct subnet. Each network address 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.
NOTE: Each correct selection is worth one point.
You are designing an application that will aggregate content for users.
You need to recommend a database solution for the application. The solution must meet the following requirements:
Support SQL commands.
Support multi-master writes.
Guarantee low latency read operations.
What should you include in the recommendation?
A.
Azure Cosmos DB SQL API
B.
Azure SQL Database that uses active geo-replication
C.
Azure SQL Database Hyperscale
D.
Azure Database for PostgreSQL
Azure Cosmos DB SQL API
Explanation:
With Cosmos DB's novel multi-region (multi-master) writes replication protocol, every region supports both writes and reads. The multi-region writes capability also enables:
Unlimited elastic write and read scalability.
99.999% read and write availability all around the world.
Guaranteed reads and writes served in less than 10 milliseconds at the 99th percentile.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/distribute-data-globally
You ate designing a SQL database solution. The solution will include 20 databases that will be 20 GB each and have varying usage patterns. You need to recommend a database platform to host the databases. The solution must meet the following requirements:
• The compute resources allocated to the databases must scale dynamically.
• The solution must meet an SLA of 99.99% uptime.
• The solution must have reserved capacity.
• Compute charges must be minimized.
What should you include in the recommendation?
A.
20 databases on a Microsoft SQL server that runs on an Azure virtual machine
B.
20 instances of Azure SQL Database serverless
C.
20 databases on a Microsoft SQL server that runs on an Azure virtual machine in an availability set
D.
an elastic pool that contains 20 Azure SQL databases
an elastic pool that contains 20 Azure SQL databases
Explanation:
Azure SQL Database elastic pools are a simple, cost-effective solution for managing and scaling multiple databases that have varying and unpredictable usage demands. The databases in an elastic pool are on a single server and share a set number of resources at a set price. Elastic pools in Azure SQL Database enable SaaS developers to optimize the price performance for a group of databases within a prescribed budget while delivering performance elasticity for each database.
Guaranteed 99.995 percent uptime for SQL Database
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/elastic-pool-overview
https://azure.microsoft.com/en-us/pricing/details/sql-database/elastic/
https://www.azure.cn/en-us/support/sla/virtual-machines/
You have an Azure subscription that contains the resources shown in the following table.
You ate designing an Azure governance solution.
All Azure resources must be easily identifiable based on the following operational information environment, owner, department and cost center. You need 10 ensure that you can use the operational information when you generate reports for the Azure resources.
What should you include in the solution?
A.
Azure Active Directory (Azure AD) administrative units
B.
An Azure data catalog that uses the Azure REST API as a data source
C.
An Azure policy that enforces tagging rules
D.
An Azure management group that uses parent groups to create a hierarchy
An Azure policy that enforces tagging rules
Explanation:
You use Azure Policy to enforce tagging rules and conventions. By creating a policy, you avoid the scenario of resources being deployed to your subscription that don't have the expected tags for your organization. Instead of manually applying tags or searching for resources that aren't compliant, you create a policy that automatically applies the needed tags during deployment.
Note: Organizing cloud-based resources is a crucial task for IT, unless you only have simple deployments. Use naming and tagging standards to organize your resources for these reasons:
Resource management: Your IT teams will need to quickly locate resources associated with specific workloads, environments, ownership groups, or other important information.
Organizing resources is critical to assigning organizational roles and access permissions for resource management.
Reference:
https://docs.microsoft.com/en-us/azure/cloud-adoption-framework/decisionguides/resource-tagging
https://docs.microsoft.com/en-us/azure/azure-resource-manager/management/tag-policies
You are designing a data storage solution to support reporting. The solution will ingest high volumes of data in the JSON format by using Azure Event Hubs. As the data arrives, Event Hubs will write the data to storage. The solution must meet the following requirements:
• Organize data in directories by date and time.
• Allow stored data to be queried directly, transformed into summarized tables, and then stored in a data warehouse.
• Ensure that the data warehouse can store 50 TB of relational data and support between 200 and 300 concurrent read operations.
Which service should you recommend for each type of data store? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
The application will host video files that range from 50 MB to 12 GB. The application will use certificate-based authentication and will be available to users on the internet.
You need to recommend a storage option for the video files. The solution must provide the fastest read performance and must minimize storage costs.
What should you recommend?
A.
Azure Files
B.
Azure Data Lake Storage Gen2
C.
Azure Blob Storage
D.
Azure SQL Database
Azure Blob Storage
Blob Storage: Stores large amounts of unstructured data, such as text or binary data, that can be accessed from anywhere in the world via HTTP or HTTPS. You can use Blob storage to expose data publicly to the world, or to store application data privately.
Max file in Blob Storage. 4.77 TB.
Reference:
https://docs.microsoft.com/en-us/azure/architecture/solution-ideas/articles/digital-mediavideo
You have an Azure Functions microservice app named Appl that is hosted in the Consumption plan. App1 uses an Azure Queue Storage trigger.
You plan to migrate App1 to an Azure Kubernetes Service (AKS) cluster.
You need to prepare the AKS cluster to support Appl. The solution must meet the following requirements:
• Use the same scaling mechanism as the current deployment.
• Support kubenet and Azure Container Netwoking Interface (CNI) networking.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct answer is worth one point.
A.
Configure the horizontal pod autoscaler.
B.
Install Virtual Kubelet.
C.
Configure the AKS cluster autoscaler.
D.
Configure the virtual node add-on.
E.
Install Kubemetes-based Event Driven Autoscaling (KEDA).
Configure the horizontal pod autoscaler.
Configure the virtual node add-on.
You plan to deploy an Azure App Service web app that will have multiple instances across multiple Azure regions.
You need to recommend a load balancing service for the planned deployment. The solution must meet the following requirements:
Maintain access to the app in the event of a regional outage.
Support Azure Web Application Firewall (WAF).
Support cookie-based affinity.
Support URL routing.
What should you include in the recommendation?
A.
Azure Front Door
B.
Azure Load Balancer
C.
Azure Traffic Manager
D.
Azure Application Gateway
Azure Front Door
Explanation:
Azure Traffic Manager performs the global load balancing of web traffic across Azure regions, which have a regional load balancer based on Azure Application Gateway. This combination gets you the benefits of Traffic Manager many routing rules and Application Gateway’s capabilities such as WAF, TLS termination, path-based routing, cookie-based session affinity among others.
Reference:
https://docs.microsoft.com/en-us/azure/application-gateway/features
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