AWS Core Compute and Storage Services Flashcards

Which EC2 instance type is optimized for applications that require high compute performance, such as scientific modeling?

Answer: Compute-optimized (C-series)

Compute-optimized (C-series) instances are ideal for CPU-intensive workloads like batch processing, scientific modeling, and high-performance web servers.

What is Auto Scaling in AWS?

Answer: Automatically adding or removing EC2 instances based on demand to maintain performance and control costs

AWS Auto Scaling monitors your applications and automatically adjusts capacity to maintain steady, predictable performance at the lowest possible cost.

Which AWS service distributes incoming application traffic across multiple EC2 instances to improve availability?

Answer: Elastic Load Balancing (ELB)

Elastic Load Balancing automatically distributes incoming traffic across multiple targets (EC2 instances, containers, or IPs) in one or more AZs.

What is Amazon S3 Glacier used for?

Answer: Long-term archival storage at very low cost with infrequent access requirements

Amazon S3 Glacier is a low-cost storage class designed for data archiving with retrieval times ranging from minutes to hours.

Which AWS service provides a managed container orchestration platform based on Kubernetes?

Answer: Amazon EKS

Amazon EKS (Elastic Kubernetes Service) is a fully managed Kubernetes service that makes it easy to run Kubernetes on AWS without installing and operating your own Kubernetes clusters.

What is AWS Fargate?

Answer: A serverless compute engine for containers that removes the need to manage servers or EC2 instances

AWS Fargate is a serverless compute engine for Amazon ECS and EKS that lets you run containers without managing the underlying EC2 servers.