Definitions Flashcards
ACL
Access control list.
Ensures the proper traffic is allowed to subnet
a firewall/security layer on the subnet level
Auto Scaling
Automates the process of adding or removing EC2 instances based on traffic demand for your application.
Buckets
Root-level folders
Cloudfront
Content delivery network that allows you to store your content at edge locations. Makes content available globally with low latency
Cloudtrail
Tracks user activity and API calls within your account.
Cloudwatch
Collection of services that help you monitor and observe your cloud resources.
Consolidated billing
allows you to view, manage and pay bills for multiple aws accounts in one user interface.
DNS Server
database of website domains and their corresponding IP address
DynamoDB
NoSQL database service that does not provide NoSQL software options
EBS
Elastic block store. Provides persistent block volumes for use of EC2 instances. Storage device that can be attached to or remove from your instance
EC2
Elastic compute cloud
a virtual computer. Allows you to rent and manage virtual servers in the cloud
ELB
Elastic load balancing.
Evenly distributes traffic between EC2 instances and that are associated with it
ElastiCache
Data caching service used to help improve the speed/performance of web applications running on AWS
Elasticity
the ability of system to increase and decrease in size.
Lambda
serverless compute service that lets you run code without managing servers.
Fargate
a serverless compute engine for containers
Lightsail
Lightsail allows you to quickly launch all the resources you need for small projects.
Outposts
Allows you to run cloud services in your internal data center.
Provides object storage on-premis
Data that needs to be kept local
Demanding application performance needs
Store data across multiple devices and servers
Batch
Batch allows you to process large workloads in smaller chunks (or batches).
S3
Simple Storage Service. Object storage service for the cloud that is highly available
EFS
Elastic File System.
a serverless network file system for sharing files
Storage gateway
hybrid storage service.
moving backs ups to the cloud
connect on-premise and cloud data
Global Accelerator
Provides Low Latency. Sends your users through the AWS global network when accessing your content, speeding up delivery
S3 transfer acceleration
Simple storage service acceleration.
Improves content uploads and downloads to and from S3 buckets
Fast travel of files over long distances
Route 53
a DNS service that routes users to applications. Where you configure and manage web domains for websites or applications you host on AWS.
VPC
Virtual Private Cloud.
a foundational service that allows you to create a secure private network in the aws cloud where you launch your resources.
A private subsection of AWS you control and in which you can place AWS resources.
Direct Connect
Dedicated physical network connection from your on-premises data center to AWS
VPN
Virtual private Network.
Site to site VPN Creates a secure connection between your internal networks and your AWS VPCs.
Benefits of Cloud computing
- High availability
- Elasticity
- Agility
- Durability
6 Advantages of cloud computing
- Go global in minutes
- Stop spending money running and maintain data centers
- Benefit from massive economies of scale
- Increase Speed & Agility
- Stop guessing capacity
- Trade capital expenses for variable expense.
Regions
a physical location that contains multiple AZs.
Geographic locations
Availability Zones
Collection of one ore more physically separated data centers
Characteristics:
- fault tolerant
- Allows for high availibility
- physically seperated
- connected through low-latency links
Edge Location
Cache content for fast delivery to your users.
Reduced latency - low latency
Data Center
A single data center contains multiple servers
On-Demand Instance
a fixed price in which you are billed down to the second based on instance type.
Spot Instance
Let you take advantage of unused EC2 Capacity. Cheapest option
Reserved instances (RI)
Allows you to commit to a specific instance type in a particular region for 1 to 3 years.
Pay money upfront to receive discount.
Dedicated Hosts
Allow you to pay for a PHYSICAL SERVER that is fully dedicated to running your instances.
Dedicated Instance
runs on the host
Savings Plans
Allows you to commit to compute usage (measured per hour) for 1 to 3 years
S3 Standard
Simple Storage Service,. General purpose storage. Data stored multiple availability zones.
Low latency, high throughput.
Recommended for frequently accessed data
S3 Intelligent Tiering
Simple Storage Service. General purpose storage. Data stored across multiple availability zones.
Automatically moved your data to the most cost-effective storage class.
S3 Standard-infrequent Access
Data accessed less frequently but require rapid access. .Data stored in across multiple availability zone
S3 One Zone-Infrequent Access
Like S3 Standard-IA but data stored in a single availability zone
S3 Glacier
Long term data storage & archival for lower costs.
S3 Glacier Deep Archive
Like S3 Glacier but longer access times.
12-48 hours.
Cheapest of all S3 options.
