EC2 - Basics Flashcards
1
Q
What is instance store
A
Temporary storage
2
Q
Where do EC2 hosts run (AZ, region, ..?)
A
Region
3
Q
What kind of resilience do EC2 instances have
A
AZ
4
Q
What are the 2 types of networking for an EC2 instance
A
Storage & Data
5
Q
What happens when an EC2 is provisioned to a VPC
A
Primary ENI is provisioned in the subnet and then mapped to EC2 host
6
Q
Can instances be in multiple subnets
A
They can have multiple ENIs in different subnets, as long as they are in the same AZ
7
Q
Can EC2 instances cross AZs
A
No, need migration to move
8
Q
Can EBS Volumes cross AZs
A
No, need migration to move
9
Q
What is EC2 good for
A
Traditional OS+APP compute needed
Long-running compute
Server-style apps
Burst or steady state load
Monolithic app stack
Good default first option
Migrated application workloads or DR
10
Q
A
