EC2

Question 1

What is EC2?

Answer 1

EC2 is one of the most popular AWS offerings
It is an IAAS
Mainly consists of renting virtual machines
Storing data on virtual drives
Distributing load across machines
Auto Scaling groups

Question 2

What are the EC2 instance types?

Answer 2

General purpose
Compute optimized
Memory optimized
Storage optimized
Accelerated computing
HPC optimized
Instance features
Measuring instance performance

Question 3

What are EC2 security groups?

Answer 3

Security groups are the fundamental of network security in AWS
They control what traffic is allowed in and out of our EC2 instances
Security groups only contain allow rules
Security group rules can either by reference by IP or by security group

Question 4

What are the EC2 purchasing options?

Answer 4

On-demand
Reserved (1 or 3 years)
Savings Plans (1 or 3 years)
Spot Instances
Dedicated Hosts