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Flashcards

Cloud Setup

Alyssa Lindley Digital Technologies CPC Inglês 44 flashcards

Flashcards do conjunto (44)

  1. 1AWS Access Types- Management Console Access
    - Programmatic Access
  2. 2AWS Access Tools- Management console (MCA)
    - API (PA)
    - SDK (PA)
    - Command line interface (PA)
  3. 3VPC- Virtual Private Cloud
    - Customer's own network within AWS
    - Connects to corporate network through VPN or DX (direct connect)
    - Housed within region
  4. 4VPC Components- Availability Zone
    - Subnet
    - Load balancer
    - EC2
    - Security Group
    - IGW
    - NAT gateway
    - Databases (RDS)
    - NACL (optional)
  5. 5Subnet- Allows VPC to span across multiple AZs
    - Public or private
    - Houses EC2s and RDS
    - Protected by NACL
    - Private by default
  6. 6IGW and NAT- Internet Gateway (IGW) connects subnets to Internet - become public
    - Network Address Translation (NAT) connects private subnets & databases to internet
  7. 7Databases (RDS)- Housed within private subnets
    - Primary and secondary
    - Connected through synchronous data replication
  8. 8Load Balancer (ELB)- Distributes traffic between 2 availability zones
  9. 9Security Group (SG)- Similar to firewall - network security at instance level
    - Everything inbound denied by default; customer must whitelist sites
    - Stateful - one rule for both inbound & outbound
  10. 10Network Access Control List (NACL)- Optional
    - Security at subnet level
    - Requests can come in and out; customer chooses which ones to deny
    - Stateless - rules needed/apply for both inbound & outbound (like passport)
  11. 11Direct Connect (DX)- Option to connect VPC to corporate site
    - Fiber-optic connection
    - Consistent bandwidth, higher availability, critical workloads
  12. 12CGW and VGW- Customer Gateway
    - Virtual Gateway
    - Connected thru VPN or DX
    - Connect corporate network to AWS VPC
  13. 13Edge LocationRegions located far away from the customer's VPC where customers are requesting services
  14. 14Amazon Simple Storage Service (S3)Cloud storage service located outside of VPC but still within region
  15. 15Cloudfront- CDN (Content Distribution Network)
    - Service used to get customer's content to users outside of region by caching items from EC2 or S3 origin in edge locations
  16. 16Distribution- Where and how video/content gets placed in cache
    - 2 types for Cloudfront
    - Customers can choose local or global distribution, depending on customer location
  17. 17RTMP Distribution Type- 1 of 2 types of Cloudfront distribution
    - Used for streaming content
  18. 18Web Distribution Type- 1 of 2 types of Cloudfront distribution
    - Used for all content that is not streaming-related
  19. 19Route 53Edge distribution/routing service with 4 main routing policies
  20. 20Geolocation Routing Policy- Routing policy for Route 53
    - Requests are re-routed from user's current region to home region where data is stored
    - Can be used for users (ie Germans) who have data laws requiring that their data be stored in their primary location
  21. 21Latency-Based Routing Policy- Routing policy for Route 53/edge locations
    - Requests are sent to closest or most available region to user (aka whichever can be reached the fastest)
  22. 22Weighted Round Robin Routing Policy- Routing policy for Route 53/edge locations
    - X% of traffic is routed to Region A, while the remaining % is routed to Region B
    - Exact copies of services/content are kept in each region, but customer chooses which ones get which % of traffic
    - Can be used for customers testing out new service
  23. 23Uptime/SLA- SLA=Service Level Availability
    - Used to describe amount of time that machines are operational and available
    - Measured in 9's (99.99%)
    - Route 53 has near-100% SLA uptime
  24. 24Failover Routing Policy- Routing policy for Route 53/edge locations
    - Route 53 performs health check on primary region - if passes, sends traffic to primary region. If fails, sends to secondary region.
  25. 25Instance Families- General purpose
    - Compute optimized
    - GPU optimized
    - Memory optimized
    - Storage optimized
  26. 26General purpose instances- Balanced performance
    - Websites, web apps, dev, code repos, micro services, business apps
  27. 27Compute optimized instances- High CPU performance
    - Front-end fleets, web servers, batch processing, distributed analytics, science & engineering apps, ad serving, MMO gaming, video encoding
  28. 28GPU optimized instances- High-end GPU
    - Amazon AppStream 2.0, video encoding, ML, high performance databases, science
  29. 29Memory optimized instances- Large RAM footprint
    - In-memory databases, data mining
  30. 30Storage optimized instances- High I/O, high-density
    - NAS, data warehousing, NoSQL
  31. 31S3 Storage Classes- Standard
    - Standard Infrequent Access
    - Infrequent Access 1 Zone
  32. 32Standard Storage Class- Redundantly stored across entire EC2 region
    - Copies in each AZ
    - S3 availability: 4 9's (99.99)
    - S3 durability: 11 9's (99.999999999)
  33. 33Standard Infrequent Access Storage Class- Infrequently requested data
    - Redundantly stored across entire region
    - S3 availability: 3 9's (99.9)
    -S3 durability: 11 9's (99.999999999)
  34. 34Infrequent Access 1 Zone Storage Class- Infrequently requested data that is easily reproduced
    - Most cost-effective
    - Stored in only 1 AZ in region
  35. 35EBS Availability- Durable & automatically replicated in AZ in which it was created
    - Copied multiple times within single AZ - if something happens to one instance, others are available
    - AMI (Amazon Machine Image): backup of EBS instance
  36. 36Snapshots (EBS)- Backup of EBS volume
    - Used in the case of AZ failure
    - Point-in-time snapshots that recreate new volumes at any time
  37. 37ELB Types- Classic
    - Application
    - Network
  38. 38Classic Load Balancer- Previous gen for HTTP, HTTPS, and TCP
    - Distributes traffic in even percentages
    - Not ideal
  39. 39Application Load Balancer- Distributes traffic to individual apps based on URL path (www.google.com/shopping vs. www.google.com/photos)
    - Same instance, different containers/apps
    - Achieved thru listeners (follow rules to distribute to target group)
    - Also called layer 7 routing
  40. 40Network Load Balancer- Single static IP address per AZ
    - Good for sudden volatile traffic patterns
    - Ideal for apps that require extreme performances
  41. 41Auto-Scaling Components- Launch configuration
    - Auto-scaling group
    - Auto-scaling policy
  42. 42Launch Configuration- Asks what will be scaled
    - Establishes launch settings
    - AMI
    - Instance type
    - Security groups
    - Roles
  43. 43Auto-Scaling Group- Asks where launch will take place
    - Deployment settings
    - VPC and subnets
    - Load balancer
    - Min and max instances
    - Desired capacity
    - Takes place b/t 2 EC2 instances in AZ
    - Has min/max parameters
  44. 44Auto-Scaling Policy- Asks when launch will take place
    - Policy settings
    - Scheduled
    - On-demand
    - Scale-out policy
    - Scale-in policy

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CPC Digital Technologies FlashCards sobre Cloud Setup, criado por Alyssa Lindley em 20-05-2022.
Criado por
Alyssa Lindley
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