Magnetic storage is ideal for applications with light or burst I/O requirements. It is the most cost-effective storage type, but it does not offer the same level of performance as Provisioned IOPS storage.
Provisioned IOPS storage is ideal for applications with high I/O requirements. It provides a guaranteed level of performance, but it is more expensive than magnetic storage.
Therefore, the best storage type for applications with light or burst I/O requirements is magnetic storage.
The correct answer is B. Magnetic storage is ideal for applications with light or burst I/O requirements.
Magnetic storage is the least expensive Amazon RDS storage type, and it is suitable for light workloads that do not require fast or predictable I/O performance. It is a good fit for use cases such as small web applications or development and test environments where cost is the primary concern.
Provisioned IOPS storage is designed for I/O-intensive workloads, such as large relational databases, and delivers predictable and consistent I/O performance. It is more expensive than magnetic storage.
Option D is incorrect because there is a suitable storage type for applications with light or burst I/O requirements.
C. Provisioend IOPS.
Magnetic storage is not ideal for applications with light or burst I/O requirements on Amazon RDS. Instead, you should consider using either General Purpose SSD (gp2) or Provisioned IOPS SSD (io1/io2) storage types, which offer much better performance, particularly for I/O-intensive workloads.
For applications with light or burst I/O requirements, General Purpose SSD (gp2) is a better choice. It provides a good balance of price and performance, with the ability to burst to higher IOPS for short periods, which is ideal for handling occasional peaks in I/O demand.
If you have more demanding I/O workloads, Provisioned IOPS SSD (io1/io2) storage may be the best option. It is designed for I/O-intensive applications and offers consistent, low-latency performance by allowing you to provision a specific number of IOPS. However, this option can be more expensive than General Purpose SSD storage.
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_SettingUp.html
"Magnetic storage offers cost-effective storage that is ideal for applications with light or burst I/O requirements. General purpose, SSD-backed storage, also called gp2, can provide faster access than disk-based storage. Provisioned IOPS storage is designed to meet the needs of I/O-intensive workloads, particularly database workloads, which are sensitive to storage performance and consistency in random access I/O throughput. For more information on Amazon RDS storage, see Amazon RDS DB instance storage."
should be b, go to [ https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_SettingUp.html ] ctrl + f and type in i/o and you should see the paragraph giving you the full answer
C. Magnetic storage offers cost-effective storage that is ideal for applications with light or burst I/O requirements. General purpose, SSD-backed storage, also called gp2, can provide faster access than disk-based storage. Provisioned IOPS storage is designed to meet the needs of I/O-intensive workloads, particularly database workloads, which are sensitive to storage performance and consistency in random access I/O throughput. For more information on Amazon RDS storage,
Magnetic – Amazon RDS also supports magnetic storage for backward compatibility. We recommend that you use General Purpose SSD or Provisioned IOPS for any new storage needs. The maximum amount of storage allowed for DB instances on magnetic storage is less than that of the other storage types. For more information, see Magnetic storage.
Therefore D. Question is out of date.
I am not sure how we can say magnetic. on AWS documentation they recommend not using magnetic for new storage needs. We recommend that you use General Purpose SSD or Provisioned IOPS SSD for any new storage needs. I would say its General purpose SSD so D is the answer
The answer is Magnetic Storage. Please refer to https://jayendrapatil.com/aws-rds-storage/
Magnetic storage, also called standard storage, offers cost-effective storage that is ideal for applications with light or burst I/O requirements.
D. it should be General Purpose storage, no magnetic Provisioned IOPS.
https://aws.amazon.com/ko/blogs/database/understanding-burst-vs-baseline-performance-with-amazon-rds-and-gp2/
an extract: To understand burst mode, you must be aware that every gp2 volume regardless of size starts with 5.4 million I/O credits at 3000 IOPS. This means that even for very small volumes, you start with a high-performing volume.
=>This is ideal for “bursty” workloads, such as daily reporting and recurring extract, transform, and load (ETL) jobs. It is also good for workloads that don’t require high-sustained IOPS.
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