What are some of the key features of the VPC model?

• Some of the key features of the VPC model are VPN Connectivity, Elastic IP Addresses, Subnet Flexibility, Integration with Cloud Services, and Scalability and Flexibility.

What are the three tiers that comprise the three-tier architecture model?

• The three tiers are Presentation, Business Logic, and Data. The three-tier architecture operates independently. This separation of concerns allows for more efficient development and maintenance of each layer and promotes system scalability and robustness.

Describe the differences between a VPC and a VPN to someone you know from your previous job.

• Sort of like if we were moving our servers to the cloud, we'd focus on setting up a VPC. But if we were concerned about secure remote access to our network, we'd be discussing VPN solutions.

Resource: https://www.ibm.com/topics/vpc