A SysOps Administrator needs an Amazon EBS volume type for a big data application. The application data is accessed infrequently and stored sequentially.
What EBS volume type will be the MOST cost-effective solution? A. Provisioned IOPS SSD (io1) B. Cold HDD (sc1) C. Throughput Optimized HDD (st1) D. General Purpose SSD (gp2)
Correct Answer: B
Explanation:
Explanation: SC1 is backed by hard disk drives (HDDs) and provides the lowest cost per GB of all EBS volume types. It
is ideal for less frequently accessed workloads with large, cold datasets. Similar to st1, sc1 provides a burst model: these volumes can burst up to 80 MB/s per TB, with a baseline throughput of 12 MB/s per TB and a maximum throughput of 250 MB/s per volume. For infrequently accessed data, sc1 provides extremely inexpensive storage. SC1 is designed to deliver the expected throughput performance 99% of the time and has enough I/O credits to support a full-volume scan at the burst rate.
Reference: https://aws.amazon.com/ebs/features/
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