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Elastic Block Store (EBS)

5 minutes 5 Questions

Amazon Elastic Block Store (EBS) is a storage service designed specifically for Amazon EC2 instances, providing highly available, consistent, and low-latency block storage volumes. EBS volumes are automatically replicated within the same Availability Zone to protect against component failure, provi…

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AWS Certified Solutions Architect - Elastic Block Store (EBS) Example Questions

Test your knowledge of Elastic Block Store (EBS)

Question 1

What is the best approach to achieving long-term, cost-effective backups for EBS volumes?

Correct Answer: Create EBS snapshots and store them in Amazon S3.

EBS snapshots offer long-term, cost-effective backups for EBS volumes. Snapshots are incremental and stored in Amazon S3, resulting in cost savings. The other solutions do not provide long-term, cost-effective, or easy-to-manage backups.

Question 2

A solution architect needs to choose an EBS volume type for infrequently accessed and low-cost workloads that do not require high IOPS. Which EBS volume type is best suited for this requirement?

Correct Answer: EBS Cold HDD (sc1)

EBS Cold HDD (sc1) volumes are designed for infrequently accessed, throughput-oriented workloads, and offer a lower cost per gigabyte compared to the other EBS volume types. The other volume types either focus on higher performance and IOPS or may incur higher costs.

Question 3

A customer wants to ensure EBS volumes are encrypted at rest for their application. What is the easiest and most cost-effective option?

Correct Answer: Use an EBS volume created with encryption enabled.

AWS provides built-in encryption for EBS volumes at rest. This is the easiest and most cost-effective way to encrypt data on EBS volumes. The other solutions would require custom implementations, additional costs, or not provide the required encryption.

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