A customer wants to import the existing virtual machines to the cloud. Which service should they use for this purpose? 

Answer options:

A.VM Import/Export
B.AWS Import/Export
C.AWS Storage Gateway
D.DB Migration Service

Correct Answer – A
VM Import/Export enables customers to import Virtual Machine (VM) images to create Amazon EC2 instances. Customers can also export previously imported EC2 instances to create VMs. Customers can use VM Import/Export to leverage their previous investments in building VMs by migrating their VMs to Amazon EC2.
For more information on AWS VM Import, please visit the URL below:
https://aws.amazon.com/ec2/vm-import/
 Few strategies used for migration are:
 1. Forklift migration strategy
 2. Hybrid migration strategy
 3. Creating AMIs
 AWS Import/Export -It is a data transport service used to move large amounts of data in and out of the Amazon Web Services public cloud using portable storage devices for transport.
 https://aws.amazon.com/about-aws/whats-new/2009/05/20/AWS-Import-Export/
AWS Storage Gateway -It connects an on-premises software appliance with cloud-based storage to provide seamless integration with data security features between your on-premises IT environment and the AWS storage infrastructure. The gateway provides access to objects in S3 as files or file share mount points.
 https://docs.aws.amazon.com/storagegateway/latest/userguide/WhatIsStorageGateway.html
DB Migration Service - It can migrate your data to and from the most widely used commercial and open-source databases. It supports homogeneous migrations such as Oracle to Oracle, as well as heterogeneous migrations between different database platforms, such as Oracle to Amazon Aurora.
For more information, please check the URL below:
 https://aws.amazon.com/dms/