AWS VPN Interview Questions and Answers | AWS VPN Components - Part 1

We will learn following in this tutorial with a DEMO.
- AWS Virtual Private Cloud (VPC)
- Public and Private Subnets
- Route Tables - Main and Custom
- Internet Gateway
- NAT Gateway
Q- What are the components of Amazon VPC?
a- A Virtual Private Cloud
b- Subnet
c- Internet Gateway
d- NAT Gateway
e- Virtual private gateway
f- Peering Connection
g- VPC Endpoints
h- Egress-only Internet Gateway
i- Transit Gateways
Q- What are the types of Subnet?
Q- What are the connectivity options for my Amazon VPC?
a- The internet (via an internet gateway)
b- Your corporate data center using an AWS Site-to-Site VPN connection (via the virtual private gateway)
c- Both the internet and your corporate data center (utilizing both an internet gateway and a virtual private gateway)
d- Other AWS services (via internet gateway, NAT, virtual private gateway, or VPC endpoints)
e- Other Amazon VPCs (via VPC peering connections)
Q- Are there any bandwidth limitations for Internet gateways?
Q- How do instances without public IP addresses access the Internet. NAT
Q- Does traffic go over the internet when two instances communicate using public IP addresses?
Q- Can I use my public IPv4 addresses in VPC and access them over the Internet?
Q- Can I change the size of a VPC? 10.0.0.0/20 = 10.0.1.0/20
Q- Can I change the private IP addresses of an Amazon EC2 instance while it is running and/or stopped within a VPC? 10.0.0.99/24
Q- Can I assign any IP address to an instance?
Q- What are the differences between security groups in a VPC and network ACLs in a VPC?
Q- Can Amazon EC2 instances within a VPC communicate with Amazon EC2 instances not within a VPC?
Q- Can I monitor the network traffic in my VPC?
Q- Can a VPC span multiple Availability Zones?
Q- Can a subnet span Availability Zones?