Questions

  1. What are the two layers of networks in the VPC?
  2. What is a CIDR?
  3. Which CIDR sizes can be assigned to the VPC?
  4. What is the difference between a private and a public subnet?
  5. What connectivity options does VPC provide for connecting to the internet and on-premises?
  6. VPC A is peered to VPC B. VPC B is peered to VPC C. Can instances in VPC A reach instances in VPC C?
  7. Your WEB application is running in a VPC. You have allowed inbound port 80 in the inbound policy of the network ACL and the inbound policy of the security group. Your application is still not responding. What could be the reason?

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