Compute and Networking Services Flashcards
EC2
Elastic Compute Cloud - provides virtual servers in AWS, only pay for what you use - varying compute and memory capabilities
EC2 Auto Scaling
Allows you to dynamically scale EC2 capacity up or down automatically according to conditions you set
Lightsail
Easiest way to launch virtual servers running application in the AWS Cloud - AWS will provision DNS management and storage
ECS
Container management service for docko containers
Lambda
Lets you run code in AWS cloud without worrying about provisioning the server
Elastic Load Balancer
Takes traffic from End Users and distributes it to available EC2 instances to balance load across those EC2 instances. It also registers health checks received from EC2 instances to halt traffic there
System Status Check
An EC2 Instance check that requires AWS action to resolve
Instance Status Check
An EC2 instance check that usually has to do with the OS and so requires your action to resolve
CloudWatch - Basic Monitoring
Default EC2 monitoring setting that refreshes every 5 minutes
CloudWatch - Detailed Monitoring
Advanced EC2 monitoring setting that refreshes every 1 minute (incurs costs)
Monitoring Service for AWS products
CloudWatch
IP Address known only to an EC2 Instance but not to the OS it is running. This address is retained even when the instance is stopped and is used on Private and Public subnets within the VPC.
Private IP Address
Dynamic IP address that changes upon stopping of the instance, used in public subnets, associated/mapped to a private IP address on an EC2 instance and cannot be moved between instances (incurs no costs).
Public IP Address
Static IP address that is used in public subnets, associated/mapped to a private IP address on an EC2 instance and can be moved between instance and Elastic Network Adapters (incurs costs if it is not used).
Elastic IP Address
Bastion/Jump Host
An EC2 Instance that you use to redirect network traffic from an internet gateway into an EC2 instance that is running on a Private Subnet.