An engineering firm has recently migrated some of its services to AWS infrastructure. Users from on-premises AD (Active Directory) need to access AWS resources, business applications and GitHub using AWS SSO. As a Sysops Administrator, you have been assigned to establish connectivity between on-premises AD with AWS SSO.
Which of the following actions are possible to meet this requirement? (Select TWO.)

Answer options:

A.Configure Simple AD in AWS with two-way trust relationship with on-premise AD.B.Configure Simple AD in AWS with replication enabled with on-premise AD.C.Configure AD Connector to redirect requests to on-premise AD.D.Configure AWS Managed Microsoft AD in AWS with replication enabled with on-premise AD.E.Configure AWS Managed Microsoft AD in AWS with two-way trust relationship with on-premise AD.

Correct Answers: C and E
For connecting on-premises AD to AWS SSO, one of the following two ways can be done.
Use AD Connector which would forward all requests from AWS to on-premises AD on which users are created.
Use AWS Managed Microsoft AD with a two-way trust relationship with on-premises AD. 
Options A & B are incorrect as Simple AD is not a valid option for connecting on-premises AD with AWS SSO.
Option D is incorrect as replication is not supported with AWS Managed Microsoft AD with on-premises AD.For more information on connecting on-premises AD with AWS SSO, refer to the following URL,
https://aws.amazon.com/single-sign-on/faqs/