Correct option is :- Answer - B.
DynamoDB is an alternative solution that can be used for the storage of session management.
The latency of access to data is less.
Hence, this can be used as a data store for session management.
Option A is incorrect since this service is used for object-level storage.
Option C is incorrect since this service is used for storing relational data.
Option D is incorrect since this service is used as a data warehousing solution.