High Availability — Microsoft Azure Solutions Architect (AZ-305) Practice Questions

High availability (HA) is the architectural property that ensures a system continues to operate with minimal downtime, typically expressed as a percentage SLA such as 99.9 or 99.99 percent uptime. AZ-305 places heavy emphasis on designing HA solutions using Azure constructs such as Availability Zones, Availability Sets, Azure Load Balancer, Traffic Manager, Azure Front Door, and multi-region active-active or active-passive patterns. Architects must calculate composite SLAs across dependent services and understand how each redundancy option maps to Recovery Time Objective and Recovery Point Objective targets. Exam scenarios frequently require selecting the minimum-cost HA design that still meets a stated SLA or RTO.

Free questions on high availability

Your organization requires a highly available and scalable web application with session affinity requirements. What architecture best supports these requirements?
Free question · hard · full answer + explanation
Your organization requires a disaster recovery plan with Recovery Time Objective (RTO) of 15 minutes and Recovery Point Objective (RPO) of 5 minutes for a critical web application. Which architecture best meets these requirements?
Free question · hard · full answer + explanation
You are designing a SQL Server environment in Azure with requirements for high availability across multiple geographic regions. What is the best approach?
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An organization stores encryption keys in Azure Key Vault and must ensure those keys remain accessible even if the Azure region hosting the vault becomes completely unavailable. Which built-in Azure Key Vault capability directly addresses cross-region key availability without requiring custom scripts or manual backup processes?
Free question · medium · full answer + explanation

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