Cloud.

Cloud platforms, services, and cloud-native patterns. Covers 11 topics.

• Cloud · 1 of 3

  CDN & Edge Services

  An edge function's response should be storable by any cache, including shared ones, and treated as fresh for one minute. Which Cache-Control value achieves this?

  Aprivate, max-age=60Bpublic, max-age=1Cno-cache, max-age=60Dpublic, max-age=60

• Cloud · 2 of 3

  Cost Management & Optimization

  Which AWS service produces right-sizing recommendations for EC2 instances, Auto Scaling groups, EBS volumes and Lambda functions from their CloudWatch utilization metrics?

  AAWS Cost and Usage ReportBAWS Cost ExplorerCAWS Compute OptimizerDAWS Pricing Calculator

• Cloud · 3 of 3

  Cloud Networking (VPC, DNS, LB)

  Cross-region data transfer charges double after a release, with no rise in user traffic. What addresses the cause?

  ANegotiate a volume discount on data transfer with the cloud providerBRaise the bandwidth allocation on the inter-region network linksCFind the services that now call across regions and co-locate themDPut a CDN in front of the public API to absorb the extra traffic