Design highly available and/or fault-tolerant architectures.
6 practice questions under this official exam objective (SAA-C03) — each with the community-verified answer, a full option-by-option explanation and instant feedback.
AWS Transfer Family with Amazon EFS for Batch Processing
This question evaluates the design of a highly available, low-operational-effort SFTP solution using AWS Transfer Family and Amazon EFS to support nig
How Do You Add Static IPs and AWS WAF to a Multi-Region HTTP App?
A global HTTP application running on EC2 in multiple Regions must simultaneously gain performance, high availability, AWS WAF protection against web e
How to Prevent Duplicate Lambda Payments with SQS FIFO?
A payment processing application on AWS Lambda must avoid duplicate payments across multiple Availability Zones; Amazon SQS FIFO queues provide exactl
Three-Tier MySQL Migration to AWS with PITR
This SAA-C03 question tests how to migrate a three-tier MySQL application to AWS with the fewest changes while enabling point-in-time recovery. The co
EC2 Instance Recovery with CloudWatch Alarms
This question evaluates designing highly available architectures for legacy EC2 workloads where code modification is restricted. It establishes that A
Which Load Balancer Provides a Static IP for Client Whitelisting?
This SAA-C03 question tests how to give firewall-restricted clients a static IP for an EC2 web service behind an ELB. The correct design is a Network