Correct answer - "S3 Select" : S3 Select enables applications to retrieve only a subset of data
from an object by using simple SQL expressions. By using S3 Select to retrieve only the data
needed by your application, you can achieve drastic performance increases in many cases you can
get as much as a 400% improvement.
Incorrect answers -
"S3 Inventory" - Amazon S3 inventory is one of the tools Amazon S3 provides to help manage your
storage. You can use it to audit and report on the replication and encryption status of your
objects for business, compliance, and regulatory needs.
"S3 Analytics" - By using Amazon S3 analytics storage class analysis you can analyze storage
access patterns to help you decide when to transition the right data to the right storage class.
This new Amazon S3 analytics feature observes data access patterns to help you determine when to
transition less frequently accessed STANDARD storage to the STANDARD_IA (IA, for infrequent
access) storage class.
"S3 Access Logs" - Server access logging provides detailed records for the requests that are made
to a bucket. Server access logs are useful for many applications. For example, access log
information can be useful in security and access audits. It can also help you learn about your
customer base and understand your Amazon S3 bill.
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