Emina Has Three Separate VPCs at the Cloud Service Provider

Multiple Choice

Emina has three separate VPCs at the cloud service provider that her company uses. Some of the services in each of the VPCs need to communicate with some of the services in other VPCs on that same CSP. Which of the following might she implement in order to accommodate that requirement?

A) VLANs
B) Internet connection sharing
C) Cloud peering
D) IPsec