MSP Bank, Limited is a leading Japanese monetary institution that provides a full range of financial products and services to both institutional and individual customers. It is headquartered in Tokyo. MSP Bank is hosting their existing infrastructure on premise.
MSP bank has lot of web applications, databases and data warehouse built on Teradata, NoSQL databases, and other types of data stores. MSP bank has lot of data assets in terms of logs, documents; excel files, CSV files, PDF documents and others. The files of different formats are being loaded into S3 buckets. Logs and documents once processed and stored into DWH can be seldom used. As a part of compliance, MSP Bank is looking for a strategy to manage the files. Also MSP wants an approach to optimize the costs of the files stored in long term archives. select 1 option.

Answer options:

A.Export back to On-premise
B.Use S3, compress the files and delete original files
C.Use S3-IA (S3-Infrequent Access) to manage the archives
D.Use Glacier to manage the archives

Answer: D
Option D is correct. Glacier is an extremely low-cost storage service that provides durable storage with security features for data archiving and backup. With Glacier, customers can store their data cost effectively for months, years, or even decades. Glacier enables customers to offload the administrative burdens of operating and scaling storage to AWS, so they don`t have to worry about capacity planning, hardware provisioning, data replication, hardware failure detection and recovery, or time-consuming hardware migrations.
https://docs.aws.amazon.com/amazonglacier/latest/dev/introduction.html