An e-commerce company is planning the Azure architecture for its new order processing system. The company has two main requirements: first, the web servers must remain online even if a localized power or cooling failure occurs in a single datacenter within the primary region; second, the database must have a recovery option in another region located at least 300 miles away to protect against a catastrophic regional disaster. Which two configuration options should the company implement to meet these requirements?
- Deploy the web servers across multiple Availability Zones in the primary region.Cevap
- Configure database replication to the designated Azure region pair.Cevap
- CConsolidate all database resources into a single resource group to inherit automated cross-region replication.
- DDeploy the web servers inside an Availability Set that spans the primary region and a secondary region.
Cevap
Deploy the web servers across multiple Availability Zones in the primary region, and configure database replication to the designated Azure region pair.
Deploying the web servers across multiple Availability Zones protects the application tier from localized datacenter failures because each zone is a unique physical location with independent power, cooling, and networking within the region. Replicating the database to the designated Azure region pair addresses disaster recovery requirements because region pairs are situated at least 300 miles apart to minimize the risk of a single regional disaster affecting both locations.
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Anahtar Kavram
Azure Availability Zones provide high availability within a region by isolating power, cooling, and network, whereas Azure Region Pairs provide disaster recovery by replicating resources to a geography at least 300 miles away.
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