security

Question 1

is there a need to relaunch your EC2 instances if your administrators leave the company?

Answer 1

roles are temporary credentials and they are not accounts. EC2 instances uses roles

Question 2

In a VPC how should you separate different tiers of your application

Answer 2

security groups. with security groups, you don’t have to keep track of IP addresses. You can specify to allow access to a network interface or instance from another security group.

Question 3

securing data in transit

Answer 3

SSL over web
VPN for IPSec for data moving from corporate data centers and VPC
IPSec over direct connect
import/export snowball