ec2 Flashcards
vm in the cloud used for compute capacity
EC2
pay by the hour. or second depending on the instance you run
On-Demand
Reserved Capacity for 1-3 years with up to 72% discount on hourly charge
Reserved
Purchase unused capacity at a discount of up to 90% Prices fluctuate with supply and demand
Spot
Physical EC2 server dedicated to your use
Dedicated
Used for applications with short-term spiky or unpredictable workloads that can’t be interrupted
On-Demand
Used for applications with steady state or predictable usage and applications that require reserved capacity
Reserved Instances
Has the option to change to a different reserved instance type of greater or equal value
Convertible Reserved instances
Launch instances within the time window you define to match your capacity reservation to a predictable recurring schedule
Scheduled RIs
Used when applications have flexible start and end time, or users have an urgent need for large amounts of additional computing capacity
Spot Instances
Used for compliance purposes where regulatory requirements that may not support multi-tenant virtualization
Dedicated Hosts
Used for Licensing that does not support multi-tenancy or cloud deployments
Dedicated Hosts
virtual firewalls for ec2 instances where everything is blocked by default
Security Groups
script that runs when the instance first runs that allows you to automate the installation of applications
Bootstrap Scripts
all inbound traffic is blocked by default, while all outbound traffic is allowed
Security Groups
data about your ec2 instance
metadata
virtual networking cards for basic day-to-day networking
Elastic Network Interface (ENI)
virtual networking card that uses single root I/O virtualization (SR-IOV) to provide high-performance between 10gbps-100gbps
Enhanced Networking (EN)
virtual networking card that accelerates high-performance computing (HPC) and machine-learning applications
Elastic Fabric Adapter (EFA)
enables the HPC and machine learning applications to bypass the operation system kernel and communicate directly with the EFA device
OS-Bypass
placement group of instances within a single AZ for applications that need low network latency
Cluster Placement Groups
placement group of instances that are each placed on distinct underlying hardware used for applications that have critical instances
Spread Placement Groups
placement group of instances that has its own set of racks with their own network and power source allowing isolation of the impact of hardware failures
Partition Placement Groups
collection of spot instances and optionally on-demand instances that will attempt to meet the target capacity requested
Spot Fleets
brings the aws data center directly to you, on-premises. Allows the ability to have a large variety of AWS services in your data center
Outposts
outpost member used for providing aws compute, storage, database and other services locally
Outposts Rack
outpost member used for small space requirements such as retail stores
Outpost Servers
