A company accidentally enabled public access on an S3 bucket containing internal reports. What is the fastest way to block all public access to this bucket?
#22Design High-Performing Architectures
A media company uploads large video files from field offices worldwide to a central S3 bucket in us-west-2. Uploads over long distances are slow. Which S3 feature speeds these up?
#23Design High-Performing Architectures
A database server on EC2 requires consistent IOPS performance of 10,000 IOPS with low latency. Which EBS volume type is most appropriate?
#24Design High-Performing Architectures
An application reads the same database records repeatedly, causing high RDS load. Most reads return identical results within short periods. Which caching solution is most effective?
#25Design High-Performing Architectures
A company serves static images from S3 to users worldwide. Users in distant regions experience slow load times. Which service improves delivery speed?
#26Design Cost-Optimized Architectures
A data analytics team runs nightly batch jobs that take 2-4 hours and can tolerate interruptions. Which EC2 pricing model minimizes cost?
#27Design Secure Architectures
An architect must control traffic to EC2 instances in a VPC. Inbound HTTP must be allowed; all other inbound traffic must be denied. Which configuration is correct?
#28Design Secure Architectures
A three-tier application runs entirely in private subnets. The application tier must download patches from the internet but must not be directly reachable from the internet. Which architecture satisfies this?
#29Design Resilient Architectures
A company needs to deploy application updates with zero downtime and the ability to instantly roll back if issues arise. The application runs on Elastic Beanstalk. Which deployment strategy should be used?
#30Design Secure Architectures
A global e-commerce company needs protection against large-scale DDoS attacks on its ALB endpoints with 24/7 access to the AWS DDoS Response Team. Which solution is needed?
#31Design Resilient Architectures
A company wants a disaster recovery strategy that keeps core infrastructure running in a secondary region at minimal cost, allowing scale-up within minutes during a disaster. Which DR strategy fits?
#32Design High-Performing Architectures
Multiple EC2 instances in an Auto Scaling group need shared, POSIX-compliant file storage that scales automatically. Which AWS storage service meets this need?
#33Design Cost-Optimized Architectures
A company runs production EC2 instances 24/7 with predictable, steady-state compute requirements for the next 3 years. Which purchasing option provides the greatest cost savings?
#34Design Resilient Architectures
An application runs on multiple EC2 instances behind an ALB. Some instances occasionally become unresponsive. How should the ALB handle this?
#35Design Secure Architectures
A company wants to serve its web application over HTTPS using an Application Load Balancer. How should they manage the SSL/TLS certificate?
#36Design Resilient Architectures
A gaming company needs sub-millisecond read/write latency for player data across North America, Europe, and Asia with automatic multi-region conflict resolution. Which solution is best?
#37Design Cost-Optimized Architectures
A company wants to reduce EC2 compute costs for its Linux-based web application without changing instance families or purchasing commitments. Which approach offers immediate savings?
#38Design Resilient Architectures
An order processing system crashes when the downstream payment service is temporarily unavailable, causing lost orders. How should the architect decouple these components?
#39Design Resilient Architectures
A company needs to automate daily backups of its RDS databases, EBS volumes, and DynamoDB tables with a centralized backup policy. Which service should they use?
#40Design High-Performing Architectures
A DynamoDB table experiences throttling because 90% of reads target a single partition key value representing 'today's date'. How should the table design be changed to fix this hot partition issue?
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