Which of the following are potential issues due to the fact that customers do not have physical access to the cloud provider's facility?

$1)$ Auditors will not have access to data streams and documentary artifacts.

$2)$ The customer is forced to rely on the provider's assertions of security.

$3)$ The customer may need to rely on a SOC $3$ audit report to accept the trustworthiness of a cloud provider.

$4)$ All of the above.