Which of the following allows merchants to fill orders through Amazon.com fulfillment service?

amazon elastic compute cloud
amazon fulfillment web services
amazon relational database service
amazon simple storage system

The correct answer is: B. Amazon Fulfillment Web Services (AFWS).

Amazon Fulfillment Web Services (AFWS) is a cloud-based service that allows merchants to store their products in Amazon’s warehouses and have them shipped directly to customers when orders are placed. This service can save merchants time and money, as they do not need to manage their own inventory or shipping operations.

Amazon Elastic Compute Cloud (EC2) is a cloud computing service that provides resizable compute capacity in the cloud. EC2 instances are virtual machines that can be used to run a variety of applications, including web servers, databases, and applications that require a lot of processing power.

Amazon Relational Database Service (RDS) is a cloud-based database service that makes it easy to set up, operate, and scale a relational database in the cloud. RDS provides a variety of database engines, including Amazon Aurora, Amazon PostgreSQL, and Amazon MySQL.

Amazon Simple Storage System (S3) is a cloud-based object storage service that offers a highly scalable and durable infrastructure for storing and retrieving any amount of data from anywhere on the web. S3 is used by a variety of businesses, including startups, enterprises, and government agencies.

In conclusion, the correct answer is: B. Amazon Fulfillment Web Services (AFWS).