Section 1
Which service provides resizable virtual machines?
Amazon EC2
What do you need to securely log in to an EC2 instance?
A key pair
Which AWS pricing model lets you pay by the hour with no long-term commitment?
On demand instances
What determines the hardware of the host computer used for your instance, specifically the CPU, memory, and storage capacity?
Instance Type
What acts as a virtual firewall for your EC2 instance to control incoming and outgoing traffic?
Security Group
Which pricing model provides a significant discount compared to On-Demand by committing to a specific instance type and region for a 1 or 3-year term?
Reserved Instances
What does EC2 Auto Scaling do?
supports application availability by allowing you to define conditions that will automatically launch or terminate EC2 instances
What are the two parts of a tag?
key and an optional value
What should you do with Amazon EBS-backed instances that are not actively in use?
Stop or hibernate them
What AWS service provides a way to run containers that reduce the need for you to manage servers or clusters?
AWS Fargate
During step 6 of Launching an Instance, where is the guest OS installed?
Root volume
As part of the 4 pillars of cost optimization, to increase elasticity, 20-30% of instances should be __ or ____?
spot or on-demand
Which underlying collection of AWS-built hardware and software offloads virtualization functions to dedicated hardware, allowing EC2 to deliver high performance and secure multi-tenancy?
The AWS Nitro System
Which feature allows you to specify a script that runs automatically during the launch of an EC2 instance to automate software installations or configurations?
User Data
Which flexible pricing model offers lower prices in exchange for a commitment to a consistent amount of compute usage for a 1 or 3-year period, regardless of instance family or region?
Savings Plans