EC2 Flashcards
What is EC2?
A cloud computing service
What can you configure in EC2?
OS, Storage, Memory, Network, Throughput.
How long does it take to Launch and SSH into your EC2?
Within minutes
Name the EC2 types
General Purpose, Compute Optimized, Memory Optimized, Accelerated optimized, Storage Optimized.
What is the role of EC2 type - General Purpose?
A balance of compute, memory and networking resources
What is the role of EC2 type - Compute Optimized?
Ideal for compute bound applications that benefit from high performance processor
What is the role of EC2 type - Memory Optimized?
For fast performance for workloads that process large data sets in memory
What is the role of EC2 type - Accelerated Optimized?
For hardware accelerators, or co-processors
What is the role of EC2 type - Storage Optimized?
For high, sequential read and write access to very large data sets on local storage
What is the general rule about EC2 instance sizes?
They generally double in price and key attributes
What are placement groups in relation to EC2?
Let you to choose the logical placement of your instances to optimize for communication,
performance or durability
What is the cost of EC2 placement groups?
FREE
What is automatically run when launching an EC2 instance?
UserData
How can you find out about the metadata of the current EC2 instance?
via local endpoint when SSH’d into EC2 instance. curl http://ip/latest/meta-data
What is an Instance Profile?
It is a container for an IAM role that you can use to pass role information to an EC2 instance when the instance starts