A company runs a batch processing workload on EC2 instances in an Auto Scaling group. The workload runs every night from 2:00 AM to 4:00 AM and requires a fixed number of 20 instances during that window. Outside this window, the group should run with a minimum of 2 instances. The operations team wants to automate this capacity change without manual intervention. What should they configure?

A step scaling policy with a low threshold for scale-in

A target tracking policy based on a custom metric that tracks the number of jobs in the queue

A scheduled scaling action to set desired capacity to 20 at 2:00 AM and to 2 at 4:00 AM

An EC2 Auto Scaling lifecycle hook to keep instances running

What is the primary benefit of using Amazon ElastiCache in an application?

It provides a content delivery network for static assets

It stores relational data with ACID transactions

It automatically scales EC2 instances based on demand

It reduces database load by serving frequently accessed data from memory

What is the primary purpose of an Auto Scaling group in AWS?

To distribute incoming traffic across multiple EC2 instances

To store and retrieve frequently accessed data for faster performance

To provide a managed relational database service

To automatically maintain a desired number of EC2 instances based on defined conditions

Which AWS service is specifically designed to cache content at edge locations to improve performance and reduce origin load?

Amazon S3 Transfer Acceleration

AWSCertified CloudOps Engineer - Associate

Domain 2Objective 1

Task 2.1: Implement Scalability and Elasticity. SOA-C03 Practice Questions (Page 1)

Part of the Content Domain 2: Reliability and Business Continuity domain, which makes up ~25% of our current practice bank. AWS does not publish an official question count, but from its 130-minute exam (~50–85 total, ~13–21 in this domain), expect 4–7 from this objective — we provide 32 practice questions to prepare you well beyond it. (estimate)

32questions here

7free pages

9concepts

Questions 1–5

1foundation · easy
Which action is used to immediately remove a specific cached object before its TTL expires?
Select an answer first
2application · medium
A company runs a batch processing workload on EC2 instances in an Auto Scaling group. The workload runs every night from 2:00 AM to 4:00 AM and requires a fixed number of 20 instances during that window. Outside this window, the group should run with a minimum of 2 instances. The operations team wants to automate this capacity change without manual intervention. What should they configure?
Select an answer first
3foundation · easy
What is the primary benefit of using Amazon ElastiCache in an application?
Select an answer first
4foundation · easy
What is the primary purpose of an Auto Scaling group in AWS?
Select an answer first
5foundation · easy
Which AWS service is specifically designed to cache content at edge locations to improve performance and reduce origin load?
Select an answer first

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Task 2.1: Implement Scalability and Elasticity. SOA-C03 Practice Questions (Page 1)

Questions 1–5

Which action is used to immediately remove a specific cached object before its TTL expires?

What is the primary benefit of using Amazon ElastiCache in an application?

What is the primary purpose of an Auto Scaling group in AWS?

Which AWS service is specifically designed to cache content at edge locations to improve performance and reduce origin load?

Keep studying — Content Domain 2: Reliability and Business Continuity