Task 2.4: Design a Strategy to Meet Reliability Requirements SAP-C02 Practice Questions (Page 1)

Questions 1–5

1. 1expert · hard

   A company runs a microservices application on Amazon EKS. The company wants to proactively detect and automatically recover from pod failures. The application is stateless. Which solution meets this requirement?

   • AConfigure Kubernetes readiness probes for the pods. The kubelet will automatically restart containers that fail the readiness probe.
   • BUse Amazon CloudWatch Container Insights to monitor the EKS cluster and create a CloudWatch alarm that sends an email notification when a pod becomes unhealthy.
   • CConfigure a Kubernetes Job to periodically check the status of the pods and delete any pod that is not in the Running state.
   • DConfigure Kubernetes liveness probes for the pods. The kubelet will automatically restart containers that fail the liveness probe.
   Reveal Solution Discussion Select an answer first
2. 2application · medium

   A logistics company runs a containerized microservices application on Amazon ECS with Fargate. The application consists of several services that communicate with each other. The company wants to proactively detect service degradation and automatically replace unhealthy tasks. Which combination of steps should the company take?

   • ADefine an ECS service with a health check grace period and a load balancer target group health check. Configure the service to use the 'REPLICA' scheduling strategy.
   • BConfigure an Amazon CloudWatch alarm on the ECS service's CPU utilization metric and set up an Auto Scaling policy to add more tasks when the alarm is in the ALARM state.
   • CUse Amazon CloudWatch Container Insights to monitor the ECS cluster and create a CloudWatch alarm that sends an email notification when a task becomes unhealthy.
   • DConfigure an AWS Lambda function to periodically check the ECS service's desired count and update it if the actual count is lower.
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   What is the primary benefit of using a load balancer in front of a fleet of EC2 instances?

   • AIt automatically increases the storage capacity of instances
   • BIt provides a backup of the application data
   • CIt eliminates the need for security groups
   • DIt distributes traffic across multiple instances and avoids a single point of failure
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5. 4expert · hard

   A company runs a critical application that stores data in an Amazon DynamoDB table. The application requires an RPO of 5 minutes and an RTO of 1 hour. The company wants to protect against a regional disaster. Which solution meets these requirements?

   • AUse AWS Database Migration Service (DMS) to continuously replicate changes to an Amazon S3 bucket in a second Region. Restore from S3 during a disaster.
   • BEnable DynamoDB point-in-time recovery (PITR) and restore the table to a point in time during a disaster.
   • CEnable DynamoDB global tables in two Regions. During a disaster, redirect application traffic to the second Region.
   • DTake daily on-demand backups of the DynamoDB table and copy them to a second Region. Restore the latest backup during a disaster.
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   Which AWS service is used to distribute incoming application traffic across multiple EC2 instances?

   • AApplication Load Balancer (ALB)
   • BAmazon Route 53
   • CAmazon S3
   • DAWS CloudFormation
   Reveal Solution Discussion Select an answer first