02 - EC2 Lab

Question 1

Launching an EC2 Instance

Answer 1

Launching an EC2 Instance

• Termination protection is turned off by default, you must explicitly turn it on
• On an EBS backed instance, the default action is for the root EBS volume to be deleted when an instance is terminated. The virtual hard disk is deleted. May be disabled during creation.
• EBS root volume of your DEFAULT AMI’s cannot be encrypted.
  
  • Would need third party tool
  • Do it when creating AMI copy
• Additional volumes can be encrypted

Question 2

Instance Status Checks

Answer 2

Status Checks (two types) - New Material -

• System Status Check - checks the health of hypervisor on the instance
• Restart or Terminate if having issues
• Instance Status Check - checks that traffic can reach the operating system
• Restart and come up on another hypervisor if having problems

Question 3

CIDR Notation

Answer 3

• IPv4 CIDR: 0.0.0.0/0
• IPv6 CIDR: ::/0
• Together: 0.0.0.0/0, ::/0