Amazon Elastic Block Storage

What is Amazon EBS used for in AWS?

• Object Storage
• Block Storage
• File Storage
• Archive Storage

Which of the following volume types is designed for low-latency, frequently accessed workloads?

• General Purpose (gp2)
• Provisioned IOPS (io1)
• Throughput Optimized (st1)
• Cold HDD (sc1)

How is data durability achieved in Amazon EBS?

• Data replication across Availability Zones
• Data mirroring within the same Availability Zone
• Regular backups to Amazon S3
• Data checksums and redundancy

What is the maximum size of an individual Amazon EBS volume for General Purpose (gp2) and Provisioned IOPS (io1) types?

• 1 TB
• 4 TB
• 16 TB
• 32 TB

Which volume type is ideal for large, sequential workloads and provides the lowest cost per throughput?

• General Purpose (gp2)
• Provisioned IOPS (io1)
• Throughput Optimized (st1)
• Cold HDD (sc1)

In Amazon EBS, what is the purpose of snapshotting?

• Increase volume size
• Create a point-in-time copy of a volume
• Change volume type
• Share volumes between EC2 instances

What happens to the data on an Amazon EBS volume when the associated EC2 instance is stopped?

• Data is lost
• Data is retained
• Data is moved to Amazon S3
• Data becomes read-only

Which Amazon EBS volume type is suitable for infrequently accessed, large, cold datasets?

• General Purpose (gp2)
• Provisioned IOPS (io1)
• Throughput Optimized (st1)
• Cold HDD (sc1)

How can you improve the I/O performance of Amazon EBS volumes?

• Use larger volume sizes
• Use Provisioned IOPS (io1) volumes
• Use Multi-Attach for shared volumes
• All of the above

What is the maximum throughput for an Amazon EBS volume in the Throughput Optimized (st1) category?

• 100 MB/s
• 125 MB/s
• 250 MB/s
• 500 MB/s