Easy to understand, using a corporate office building as an analogy:

Easy to understand vpc

Easy to understand, using a ARM hostingcorporate office building as an analogy:

Think of the office as a multi-story building

There are multiple suites on each floor

Each department (such as Human Resources, Cloud platfrom provider operations and maintenance) can be on the same floor or multiple floors.

Each suite has several rooms

Each room has several desks for employees to work at

Square footage: Think of an office building virtual private cloudas a square footage. Just like how an AWS area contains other components, an office building is a building body that contains many things.

Availability Zone: Think of each layer as an enterprise availability zone. Just as no significant regional development can have multiple availability zones, our buildings have more than one floor.

Every department in the office is like a VPC. Just like cross-zone availability in a VPC, each office department can span different floors.

Subnets: Each package represents a subnet. Just as each subnet is within a usable area, each suite is only part of this floor and does not cross floors.

IP address: The table in the kit represents the IP address.

A private VPC has only private subnets. Without special tools or VPC snooping, these resources are not available in a private VPC.

We teachers can think of the "bathroom" in your office building as a private VPC (that is, a VPC with a private subnet). People who don't have direct access to the company building can't develop access to a bathroom.

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