Compute

Question 1

EC2

Answer 1

• Elastic Compute Cloud
• IaaS
• Instance Based
• Virtual Machines
• Billed per second, 60s min

Question 2

Lambda

Answer 2

• Event driven (schedule or event), Server-less Computing
• Function Based
• Low-Cost, only pay for runtime

Question 3

Lambda Limits

Answer 3

Per Region Limits:

• Concurrent Executions: 1,000
• Function & Layer Storage: 75 GB

Individual Function Limits:

• Max memory allocation = 3,008 MB
• Timeout: 15m
• Deployment pkg size: 250MB unzipped

Question 4

Container Based Computing

Answer 4

• ECS: Elastic Container Service (user managed)
• EKS: Elastic Kubernetes Service
• Fargate: Container Service (ECS, but AWS managed)
• ECR: Elastic Container Registry

Question 5

AWS Elastic Beanstalk

Answer 5

• Platform as a Service (PaaS)
• Web applications

Question 6

AMI

Answer 6

Application Machine Image

• launch instances with few clicks/line of code… ready in minutes
• Quick Start
• My AMI
• AWS Marketplace (3rd Party)
• Community AMIs (shared, be careful)

Question 7

9 Options w/ EC2 Option Wizard

Answer 7

1. AMI
2. Instance Type
3. Network Settings
4. IAM Role
5. User Data
6. Storage option
7. tags
8. security group
9. key pair

Question 8

EC2 Instance Types

Answer 8

• Memory
• Processing Power (CPU)
• Disk type/space
• Network Performance

General Purpose
Compute Optimized
Memory Optimized
Storage Optimized
Accelerated Computing

Question 9

EC2 Instance Types (2)

Answer 9

Question 10

EC2 Instance Store

Answer 10

• disks running on host computer where EC2 instance is running
• If instance stopped, data is deleted
• Use EBS if need to retain data

Question 11

Tag

Answer 11

label assigned to aws resource

• metadata
• Consists of Key and optional Value

Question 12

Key Pair

Answer 12

Public Key: AWS Stores
Private Key: user stores

Question 13

Launch EC2 from CLI

Answer 13

Question 14

EC2 Reboot

Answer 14

• Ephemeral data is retained

Question 15

CloudWatch

Answer 15

• near-real-time metrics
• Monitor EC2 instances
• 15 months of historical data

Basic: free, 5m data

Detailed: monthly fee, 1m data

Question 16

EC2 Pricing Models

Answer 16

• On Demand Instances
• Dedicated Hosts
• Dedicated Instances
• Reserved Instances
• Scheduled Reserved Instances
• Spot Instances

Per Second Billing: avail on On-demand, reserved, and spot instances running linux or ubuntu

Question 17

EC2: On-Demand Instances

Answer 17

• Pay by the hour
• No long-term commitments
• Eligible for AWS Free Tier

Question 18

EC2: Dedicated Hosts

Answer 18

Physical server with EC2 instance capacity fully dedicated

Question 19

EC2: Dedicated Instances

Answer 19

runs in a VPC on hardware that is dedicated to a single customer.

Question 20

EC2: Reserved Instances

Answer 20

• Full, Partial, or no upfront payment when reserved
• Discount on hourly charge for instance
• 1-year or 3-year term

Question 21

EC2: Scheduled Reserved Instances

Answer 21

Capacity reservation that is always available on recurring, user specified schedule

1-year term

Question 22

EC2: Spot Instances

Answer 22

Run as long as available and bid is above Spot Instance Price

Interrupted w/ 2-min notification
- Terminated, Stopped, or Hibernated

Low-Price

Question 23

4 Pillars of Cost Optimization

Answer 23

1. Right Size
2. Increase Elasticity
3. Optimal Pricing Model
4. Optimize Storage Choices

Question 24

Kubernetesdd

Answer 24

Orchestrates multiple Docker hosts (nodes)

Question 25

Elastic Beanstalk

Answer 25

• Managed Service for launching & managing web applications
• No additional charge (only pay for resources in use)

Question 26

Elastic MapReduce (EMR)

Answer 26

• big data platform for running large-scale distributed data processing jobs, interactive SQL queries, and machine learning (ML)
• based on Apache Hadoop data analysis in log analysis, web indexing, data warehousing, machine learning (ML), financial analysis, scientific simulation and bioinformatics
• supports workloads based on Apache Spark, Apache Hive, Presto and Apache HBase