Domain 1: Design Resilient Architectures

Question 1

Set up asynchronous data replication to another RDS DB instance hosted in another AWS Region

Answer 1

Create a Read Replica

Question 2

A parallel file system for “hot” (frequently accessed) data

Answer 2

Amazon FSx For Lustre

Question 3

Implement synchronous data replication across Availability Zones with automatic failover in Amazon RDS.

Answer 3

Enable Multi-AZ deployment in Amazon RDS.

Question 4

Needs a storage service to host “cold” (infrequently accessed) data

Answer 4

Amazon S3 Glacier

Question 5

Set up a relational database and a disaster recovery plan with an RPO of 1 second and RTO of less than 1 minute.

Answer 5

Use Amazon Aurora Global Database

Question 6

Monitor database metrics and send email notifications if a specific threshold has been breached.

Answer 6

Create an SNS topic and add the topic in the CloudWatch alarm.

Question 7

Set up a DNS failover to a static website.

Answer 7

Use Route 53 with the failover option to a static S3 website bucket or CloudFront distribution.

Question 8

Implement an automated backup for all the EBS Volumes.

Answer 8

Use Amazon Data Lifecycle Manager to automate the creation of EBS snapshots.

Question 9

Monitor the available swap space of your EC2 instances

Answer 9

Install the CloudWatch agent and monitor the SwapUtilizationmetric.

Question 10

Implement a 90-day backup retention policy on Amazon Aurora.

Answer 10

Use AWS Backup