Hotspot Question You have the following projects: - Project1: The development of an app hosted on multiple Azure virtual machines that are configured as a Windows Server failover cluster - Project2…

Question

Exhibits

Answer Area

• Project1:Azure Traffic Manager
  Availability setsAvailability zonesAzure Site RecoveryAzure Traffic Manager
• Project2:Availability zones
  Availability setsAvailability zonesAzure Site RecoveryAzure Traffic Manager
• Project3:Azure Site Recovery
  Availability setsAvailability zonesAzure Site RecoveryAzure Traffic Manager

Explanation

The recommendation for each project is based on its specific high availability requirements and the capabilities of Azure resiliency solutions:

• Project1: Azure Traffic Manager

  • Requirement: Maintain availability if an Azure region fails and meet an RTO of 45 seconds.
  • Rationale: Azure Traffic Manager is designed to protect against region failures by directing user traffic to a healthy endpoint across different Azure regions. As stated in the explanation, Traffic Manager can provide failovers under 10 seconds, which easily meets the 45-second RTO for region-level disaster recovery.

• Project2: Availability zones

  • Requirement: Maintain availability if an Azure datacenter fails and meet an RTO of five minutes.
  • Rationale: Availability Zones provide protection against datacenter failures within an Azure region by distributing VMs across independent physical locations (zones). The explanation confirms that Availability Zones protect against datacenter failures and can be configured to provide an RTO of less than 5 minutes, matching the project's requirement.

• Project3: Azure Site Recovery

  • Requirement: Maintain availability during datacenter maintenance events, meet an RTO of two hours, and minimize costs.
  • Rationale: Azure Site Recovery (ASR) is a disaster recovery solution that can replicate Azure virtual machines to a secondary region or zone. For a single VM, ASR provides robust protection, enabling failover during events like datacenter maintenance. While the explanation for Box 3 is brief, ASR is a suitable and often cost-effective solution for single-VM protection with an RTO of up to two hours, as it only requires the replicated VM to be running in the recovery site during an actual failover or drill, minimizing continuous operational costs for the secondary site.

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