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AZ-104 · Question #228

Case Study 4 - ADatum Overview ADatum Corporation is a financial company that has two main offices in New York and Los Angeles. ADatum has a subsidiary named Fabrikam, Inc. that shares the Los Angeles

The correct answer is A. multi-site listeners. Multi-site listeners in Azure Application Gateway allow you to configure multiple websites on the same gateway by listening on different hostnames (SNI - Server Name Indication), which is essential when hosting multiple domains or subdomains behind a single Application Gateway. T

Submitted by ngozi_ng· Mar 4, 2026Design and Implement Azure Networking Solutions - Configure Azure Application Gateway for multi-site and path-based routing

Question

Case Study 4 - ADatum Overview ADatum Corporation is a financial company that has two main offices in New York and Los Angeles. ADatum has a subsidiary named Fabrikam, Inc. that shares the Los Angeles office. ADatum is conducting an initial deployment of Azure services to host new line-of-business applications and is preparing to migrate its existing on-premises workloads to Azure. ADatum uses Microsoft Exchange Online for email. Existing Environment On-Premises Environment The on-premises workloads run on virtual machines hosted in a VMware vSphere 6 infrastructure. All the virtual machines are members of an Active Directory forest named adatum.com and run Windows Server 2016. The New York office uses an IP address space of 10.0.0.0/16. The Los Angeles office uses an IP address space of 10.10.0.0/16. The offices connect by using a VPN provided by an ISP. Each office has one Azure ExpressRoute circuit that provides access to Azure services and Microsoft Online Services. Routing is implemented by using Microsoft peering. The New York office has a virtual machine named VM1 that has the vSphere console installed. Azure Environment You provision the Azure infrastructure by using the Azure portal. The infrastructure contains the resources shown in the following table. AG1 has two backend pools named Pool11 and Pool12. AG2 has two backend pools named Pool21 and Pool22. Requirements Planned Changes ADatum plans to migrate the virtual machines from the New York office to the East US Azure region by using Azure Site Recovery. Infrastructure Requirements ADatum identifies the following infrastructure requirements: A new web app named App1 that will access third-parties for credit card processing must be deployed. A newly developed API must be implemented as an Azure function named App2. App2 will use a blob storage trigger. App2 must process new blobs immediately. The Azure infrastructure and the on-premises infrastructure must be prepared for the migration of the VMware virtual machines to Azure. The sizes of the Azure virtual machines that will be used to migrate the on-premises workloads must be identified. All migrated and newly deployed Azure virtual machines must be joined to the adatum.com domain. AG1 must load balance incoming traffic in the following manner: AG2 must load balance incoming traffic in the following manner: ER1 must route traffic between the New York office and platform as a service (PaaS) services in the East US Azure region, as long as ER1 is available. ER1 must route traffic between the Los Angeles office and the PaaS services in the West US region, as long as ER2 is available. ER1 and ER2 must be configured to fail over automatically. Application Requirements App2 must be available to connect directly to the private IP addresses of the Azure virtual machines. App2 will be deployed directly to an Azure virtual network. Inbound and outbound communications to App1 must be controlled by using NSGs. Pricing Requirements ADatum identifies the following pricing requirements: The cost of App1 and App2 must be minimized The transactional charges of Azure Storage accounts must be minimized Drag and Drop Question You need to identify the appropriate sizes for the Azure virtual machines. Which five 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:

Exhibit

AZ-104 question #228 exhibit

Options

  • Amulti-site listeners
  • Bbasic listeners
  • CURL path-based routing rules
  • Dbasic routing rules
  • Ean additional public IP address

How the community answered

(51 responses)
  • A
    76% (39)
  • B
    6% (3)
  • C
    12% (6)
  • D
    2% (1)
  • E
    4% (2)

Explanation

Multi-site listeners in Azure Application Gateway allow you to configure multiple websites on the same gateway by listening on different hostnames (SNI - Server Name Indication), which is essential when hosting multiple domains or subdomains behind a single Application Gateway. This enables ADatum to route traffic to different backend pools based on the host header, supporting multiple line-of-business applications with distinct domain names on a single gateway instance. Multi-site listeners are specifically designed for this scenario where multiple applications need to be distinguished by hostname rather than just port.

Topics

#Azure Application Gateway#Multi-site Hosting#Load Balancing#Network Routing

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