High Availability — AWS Solutions Architect Associate Practice Questions
High availability (HA) refers to designing systems that remain operational and minimize downtime by eliminating single points of failure and enabling automatic recovery. On the AWS Solutions Architect Associate exam, HA is achieved through multi-AZ deployments, load balancing, Auto Scaling, and managed services with built-in redundancy such as RDS Multi-AZ and S3. The exam distinguishes HA (staying up during failures) from fault tolerance (continuing without degradation) and disaster recovery (recovering from catastrophic events). Recognizing which architectural pattern provides the required availability SLA for a given scenario is a core competency tested throughout the exam.
Free questions on high availability
A solutions architect needs to ensure that an Auto Scaling group launches instances across three Availability Zones equally. Which configuration achieves this?
Free question · medium · full answer + explanation
How should you handle database failover in RDS Multi-AZ deployments?
Free question · easy · full answer + explanation
What is the primary advantage of using AWS Auto Scaling groups across multiple Availability Zones?
Free question · easy · full answer + explanation
A solutions architect needs to design a highly available web application across multiple Availability Zones. Which Elastic Load Balancer type operates at the application layer?
Free question · easy · full answer + explanation
More high availability questions in the full bank
- What is the primary advantage of using Amazon Aurora over traditional RDS MySQL? Unlock answer & explanation →
- A database requires a failover within 1 minute of primary failure. Which RDS configuration achieves this? Unlock answer & explanation →
- How is data replicated in an RDS Multi-AZ setup? Unlock answer & explanation →