By default, Amazon S3 replicates the following:
Objects created after you add a replication configuration.
Unencrypted objects.
Objects encrypted using customer provided keys (SSE-C), objects encrypted at rest under an Amazon S3 managed key (SSE-S3) or a KMS key stored in AWS Key Management Service (SSE-KMS). For more information, see Replicating objects created with server-side encryption (SSE-C, SSE-S3, SSE-KMS, DSSE-KMS).
Object metadata from the source objects to the replicas. For information about replicating metadata from the replicas to the source objects, see Replicating metadata changes with Amazon S3 replica modification sync.
Only objects in the source bucket for which the bucket owner has permissions to read objects and access control lists (ACLs).
Object ACL updates, unless you direct Amazon S3 to change the replica ownership when source and destination buckets aren't owned by the same accounts.
For more information, see Changing the replica owner.
It can take a while until Amazon S3 can bring the two ACLs in sync. This change in ownership applies only to objects created after you add a replication configuration to the bucket.
Object tags, if there are any.
S3 Object Lock retention information, if there is any.
What is replicated by default?
"Object metadata from the source objects to the replicas."
"Only objects in the source bucket for which the bucket owner has permissions to read objects and access control lists (ACLs)."
I think D as well
https://docs.aws.amazon.com/AmazonS3/latest/userguide/replication-what-is-isnot-replicated.html#:~:text=Object%20metadata%20from%20the%20source%20objects%20to%20the%20replicas.%20For%20information%20about%20replicating%20metadata%20from%20the%20replicas%20to%20the%20source%20objects%2C%20see%20Replicating%20metadata%20changes%20with%20Amazon%20S3%20replica%20modification%20sync.
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Christina666
Highly Voted 11 months, 2 weeks agoChristina666
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