Microsoft · AZ-305
High availability
AZ-305 · Lesson 8 of 13 · 59:36
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In this lesson
Prepare for the AZ-305 exam (Microsoft Azure Solutions Architect Expert). In this lesson: designing high availability: availability zones versus availability sets, zone-redundant services, Azure SQL Database zone redundancy, active geo-replication and failover groups, Cosmos DB zone redundancy and multiple write regions, ZRS, GZRS and RA-GZRS storage, and multi-region designs, active-active or active-passive, behind Azure Front Door or Traffic Manager. Includes three original practice questions.
Preview the topics
- Five Azure SQL databases must fail over together to another region, and the application’s connection string must not change after a failover. What should the architect recommend?
- A storage account must survive a datacenter failure in its primary region, and stay readable during a regional outage. Which redundancy option fits?
- A web app runs in two regions. Users must reach the healthy region automatically, with a web application firewall and caching at the edge. What should the architect recommend?