Which combination of steps is required to ensure availability of the certificate in the CloudFront console?

A Web Administrator for the website example.com has created an Amazon CloudFront distribution for dev.example.com, with a requirement to configure HTTPS using a custom TLS certificate imported to AWS Certificate Manager.

Which combination of steps is required to ensure availability of the certificate in the CloudFront console? (Choose two.)
A . Call UploadServerCertificate with /cloudfront/dev/ in the path parameter.
B . Import the certificate with a 4,096-bit RSA public key.
C . Ensure that the certificate, private key, and certificate chain are PKCS #12-encoded.
D . Import the certificate in the us-east-1 (
E . Virginia) Region.
F . Ensure that the certificate, private key, and certificate chain are PEM-encoded.

Answer: D,E