Review - Chapter 4 AWS Complete Course 2023.

Review - Chapter 4 AWS Complete Course 2023. 1. What is the minimum size subnet that you can have in an Amazon VPC? A. /24 B. /26 C. /28 D. /30 - ANSWER 1. C. The minimum size subnet that you can have in an Amazon VPC is /28. 2. You are a solutions architect working for a large travel company that is migrating its existing server estate to AWS. You have recommended that they use a custom Amazon VPC, and they have agreed to proceed. They will need a public subnet for their web servers and a private subnet in which to place their databases. They also require that the web servers and database servers be highly available and that there be a minimum of two web servers and two database servers each. How many subnets should you have to maintain high availability? A. 2 B. 3 C. 4 D. 1 - ANSWER 2. C. You need two public subnets (one for each Availability Zone) and two private subnets (one for each Availability Zone). Therefore, you need four subnets. 3. Which of the following is an optional security control that can be applied at the subnet layer of a VPC? A. Network ACL B. Security Group C. Firewall D. Web application firewall - ANSWER 3. A. Network ACLs are associated to a VPC subnet to control traffic flow. 4. What is the maximum size IP address range that you can have in an Amazon VPC? A. /16 B. /24 C. /28 D. /30 - ANSWER 4. A. The maximum size subnet that you can have in a VPC is /16. 5. You create a new subnet and then add a route to your route table that routes traffic out from that subnet to the Internet using an IGW. What type of subnet have you created? A. An internal subnet B. A private subnet C. An external subnet