EC2 Instance Management and Configuration

Flashcards covering key concepts related to EC2 instance configuration, placement groups, and EC2 Hibernate.

What should you do to assign a fixed public IPv4 to your EC2 instance after it has changed upon restart?

Allocate an Elastic IP and assign it to your EC2 instance.

What is an Elastic IP?

An Elastic IP is a public IPv4 that you own as long as you want and can attach it to one EC2 instance at a time.

Which EC2 Placement Group should you choose for high networking performance among instances?

Cluster Placement Group.

What is the benefit of using a Cluster Placement Group?

Cluster Placement Groups place your EC2 instances next to each other, which gives you high-performance computing and networking.

What EC2 Placement Group should you choose for maximum availability during an AZ failure?

Spread Placement Group.

What is characteristic of a Spread Placement Group?

Spread Placement Group places your EC2 instances on different physical hardware across different Availability Zones.

Can an Elastic Network Interface (ENI) be attached to EC2 instances in another Availability Zone?

False, Elastic Network Interfaces (ENIs) are bounded to a specific AZ.

What must be true for EC2 Hibernate to be enabled regarding the Instance Root Volume?

The EC2 Instance Root Volume type must be an EBS volume and must be encrypted.

What is a limitation regarding the RAM for EC2 Hibernate?

EC2 Instance RAM must be less than 150GB.

What is the correct statement regarding EC2 Hibernate support?

EC2 Hibernate supports On-Demand and Reserved Instances.