Domain 1: Design Resilient Architectures

Question 1

Scenario:
Set up asynchronous data replication to another RDS
DB instance hosted i n another AWS Region

Answer 1

Solution:

Create a Read Replica

Question 2

Scenario:

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

Answer 2

Solution:

Amazon FSx For Lustre

Question 3

Scenario:

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

Answer 3

Solution:

Enable Multi-AZ deployment in Amazon RDS.

Question 4

Scenario:

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

Answer 4

Solution:

Amazon S3 Glacier

Question 5

Scenario:

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

Answer 5

Solution:

Use Amazon Aurora Global Database.

Question 6

Scenario:

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

Answer 6

Solution:

Create an SNS topic and add the topic i n the
CloudWatch alarm.

Question 7

Scenario:

Set up a DNS failover to a static website.

Answer 7

Solution:

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

Question 8

Scenario:

Implement an automated backup for all the EBS
Volumes.

Answer 8

Solution:

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

Question 9

Scenario:

Monitor the available swap space of your EC2
instances

Answer 9

Solution:

Install the CloudWatch agent and monitor the
SwapUtilizationmetric.

Question 10

Scenario:

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

Answer 10

Solution:

Use AWS Backup