Determine a strategy to improve reliability.

10 practice questions under this official exam objective (SAP-C02), each with the answer key, an option-by-option explanation and instant feedback.

Questions under this objective

10 total · page 1 of 1
SAP-C02 S-grade

Modernize centralized firewall appliances with a Gateway Load Balancer and Auto Scaling

Two statically addressed firewall appliances on manually built EC2 instances must become a horizontally scalable, self-healing deployment, while membe

25 comments
SAP-C02 S-grade

Fixing false-positive health checks and database load with a simple health check and Elast

An ALB health check pointed at a DB-dependent product page caused Auto Scaling to replace healthy web instances during a database slowdown. Pointing t

18 comments
SAP-C02 S-grade

Replace a single web instance with an Auto Scaling group and Aurora read replicas

A globally served application runs on one EC2 instance and does read-intensive work against RDS for MySQL. It becomes unresponsive under load and need

14 comments
SAP-C02 S-grade

Reduce scale-out latency with warm pools and lifecycle hooks on a mixed-instances group

A single-instance web application becomes slow at high CPU, and new instances take several minutes to launch because a user data script installs custo

10 comments
SAP-C02 S-grade

Publish SES event logs to S3 through Data Firehose and query them with Athena

A travel company sends notifications through Amazon SES and needs logging to troubleshoot delivery, plus the ability to search the logs by recipient,

9 comments
SAP-C02 A-grade

Serve a custom error page from S3 through CloudFront while the ALB fault is fixed

An ecommerce application behind an ALB occasionally returns a 502 Bad Gateway because the targets return malformed HTTP headers, and reloading immedia

8 comments
SAP-C02 A-grade

Front Aurora replicas with an RDS Proxy read-only endpoint for Lambda

An Aurora PostgreSQL cluster has one small primary and three larger replicas, and a Lambda function makes many short-lived read-only connections to th

7 comments
SAP-C02 A-grade

Diagnose Route 53 failover with latency-based routing and weighted record sets

A web application is served across two Regions under a custom domain using Route 53 latency-based routing, with weighted record sets pointing to a pai

6 comments
SAP-C02 S-grade

Increase the Auto Scaling health check grace period for slow-starting instances

Instances behind an Application Load Balancer are terminated in a loop because the load balancer health check fails before the user data script finish

6 comments
SAP-C02 A-grade

Replace an idle EC2 crawling fleet with Lambda and write results to S3

A fleet of t2.micro instances pulls URLs from an SQS queue, crawls each in ten seconds or less, and writes .csv results to a shared EFS volume. URLs a

4 comments