A company wants to protect its database against the failure of a single Availability Zone. Which deployment pattern is most appropriate for the data layer?

An Amazon RDS Multi-AZ deployment

An Amazon S3 bucket with versioning enabled

An Amazon EC2 instance hosting a self-managed database in one Availability Zone

A single Amazon RDS DB instance in one Availability Zone

A business requires that after a disaster, the application must be fully operational within 15 minutes. Which technical resiliency target does this requirement define?

Mean Time Between Failures (MTBF)

Which practice is essential for an application to operate across multiple AWS Regions with minimal downtime?

Using Amazon Route 53 with a failover routing policy to direct traffic to a healthy Region

Using a single Application Load Balancer in one Region

Deploying all resources in a single Availability Zone

Using an Amazon S3 bucket as the primary application server

A company runs a critical application on a single EC2 instance in a single Availability Zone. Which remediation strategy would BEST address the single point of failure?

Enable detailed monitoring on the instance

Deploy the application across multiple Availability Zones using an Application Load Balancer and Auto Scaling

AWSCertified DevOps Engineer - Professional

Domain 3Objective 1

Task Statement 3.1: Implement Highly Available Solutions to Meet Resilience and Business Requirements. DOP-C02 Practice Questions (Page 2)

Part of the Content Domain 3: Resilient Cloud Solutions domain, which accounts for 15% of the DOP-C02 exam. AWS does not publish an official question count, but from its 180-minute exam (~70–120 total, ~11–18 in this domain), expect 4–6 from this objective — we provide 21 practice questions to prepare you well beyond it. (estimate)

21questions here

5free pages

8concepts

15%of the exam

8 Concepts in This Objective

Multi-AZ and multi-Region deployment patterns
SLA interpretation and business requirement translation
Replication and failover for stateful services
High availability techniques
Single point of failure identification and remediation
Cross-Region service configuration
Load balancing for cross-AZ traffic
Application configuration for multi-AZ and multi-Region

Questions 6–10

6foundation · easy
A company wants to protect its database against the failure of a single Availability Zone. Which deployment pattern is most appropriate for the data layer?
Select an answer first
7foundation · easy
A business requires that after a disaster, the application must be fully operational within 15 minutes. Which technical resiliency target does this requirement define?
Select an answer first
8foundation · easy
A company determines that it can tolerate losing at most 5 minutes of recent data in the event of a database failure. Which technical resiliency target does this requirement define?
Select an answer first
9foundation · easy
Which practice is essential for an application to operate across multiple AWS Regions with minimal downtime?
Select an answer first
10foundation · easy
A company runs a critical application on a single EC2 instance in a single Availability Zone. Which remediation strategy would BEST address the single point of failure?
Select an answer first

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