Design Cost-Optimized Architectures Questions
Practice questions for Design Cost-Optimized Architectures topic in AWS Certified Solutions Architect - Associate. 40 questions covering this domain.
A fleet of EC2 application servers uses gp2 volumes today. The company wants to reduce storage cost while keeping strong baseline performance and the ...
A global website serves mostly static assets from an Application Load Balancer and EC2 instances. Which change is most likely to reduce both origin lo...
Application logs are stored in Amazon S3. After 90 days they are rarely accessed, but they must be retained for 7 years. Which lifecycle policy is the...
A company stores infrequently accessed backup files that can be recreated from the original source data if an Availability Zone is lost. Which S3 stor...
EC2 instances in a private subnet need frequent access to Amazon S3. The company wants to avoid NAT gateway data processing charges for this traffic. ...
A company runs fault-tolerant batch jobs on EC2 and wants to minimize cost. Which pricing option should the architect recommend?
A company has steady compute usage but expects its EC2 instance families and Regions to change over time. Which purchasing option provides the most fl...
Which S3 storage class is best for data with unknown or changing access patterns when the goal is to optimize storage cost automatically?
A workload runs continuously on the same EC2 instance family in one Region and is not expected to change for at least a year. Which pricing option is ...
A web application is heavily over-provisioned to handle occasional traffic spikes. Which architectural change is most likely to reduce cost while stil...
An Athena query scans 1 TB of CSV daily costing significant per-query fees. Which two changes have the LARGEST impact on cost and performance?
A media company serves large MP4 files directly from S3 to a global audience. Egress costs are high. Which architecture reduces total egress cost whil...
Which feature analyzes object access patterns in an S3 bucket and recommends moving objects to cheaper storage classes?
CloudWatch Logs log groups by default retain logs forever. To control storage cost, what should the architect configure?
A workload averages 8% CPU on m5.xlarge instances 24/7. Cost Explorer rightsizing recommends m5.large. Before applying changes, what is the BEST first...
EC2 instances in private subnets generate large NAT gateway data-processing charges accessing S3 and DynamoDB. What should the architect configure to ...
AWS Compute Optimizer suggests downsizing several EC2 instances. Implementing these recommendations primarily improves which Well-Architected pillar?
Which AWS service alerts owners when actual or forecasted spend or usage exceeds defined thresholds?
A small intermittent API receives roughly 1,000 requests per day. Which option minimizes cost compared to a t3.micro running 24/7?
A company has steady, predictable EC2 usage but wants flexibility across instance families, sizes, OS, tenancy, and Region with the largest savings co...
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