Review questions

To check your knowledge from this chapter, here are five questions that you should now be able to answer. Remember the exam techniques from Chapter 1, AWS Certified Database – Specialty Exam Overview, and remove the clearly incorrect answers first to help you:

1. A user has deployed a database in a private subnet in their VPC. They have created an internet gateway and a NAT gateway. The database is unable to connect to the internet to check for updates. What is the most likely reason?
   1. An internet gateway with a private IP was used.
   2. The user needs to allow outbound traffic in the security group for port 80 to allow internet updates.
   3. A private subnet can never connect to the internet.
   4. The route tables are updated to point all external traffic to the gateways.
2. A user has created a VPC with a single public subnet. The user has created a security group for that VPC. Which of the following statements is true when a security group is created?
   1. It can connect to...