Cloud Cost Management Considerations CERTIFIED-HYBRID-CLOUD-ARCHITECT Practice Questions (Page 6)

Questions 26–29

1. 26application · medium

   A media company runs a batch video-transcoding pipeline in Azure. The pipeline runs for 4 hours every night, processing 2 TB of input files stored in Azure Blob Storage, and writes 2 TB of output files back to the same storage account. The compute runs on a set of Standard_D8s_v3 VMs that are currently left running 24/7. The company wants to reduce compute costs without changing the pipeline's nightly schedule or output quality. Which approach should the architect recommend?

   • AConvert the VMs to Spot VMs and keep them running continuously
   • BUse an Azure Automation schedule to deallocate the VMs after the job completes and start them before the next run
   • CPurchase a 3-year Reserved Instance for the VM family and size
   • DMove the VMs to a different region with lower compute prices
   Reveal Solution Discussion Select an answer first
2. 27foundation · easy

   Which of the following is a key difference between capital expenditure (CapEx) and operational expenditure (OpEx) in a TCO comparison?

   • ACapEx is always lower than OpEx
   • BCapEx is a one-time upfront cost, while OpEx is a recurring cost
   • COpEx is only for cloud services
   • DCapEx is a recurring cost, while OpEx is one-time
   Reveal Solution Discussion Select an answer first
4. 28foundation · easy

   A cloud architect needs to run a batch processing job that can be interrupted at any time and resumed later. Which cloud pricing model is most suitable for this workload?

   • ASpot pricing
   • BReserved instances
   • CPay-as-you-go
   • DDedicated host pricing
   Reveal Solution Discussion Select an answer first
5. 29expert · hard

   A company is evaluating whether to migrate a 100 TB data warehouse from an on-premises SAN to AWS. The on-premises SAN is fully depreciated, but the company pays $5,000 per month for power, cooling, and maintenance. The AWS estimate includes S3 storage at $0.023/GB/month and data transfer out at $0.09/GB. The warehouse is queried by analysts who download large result sets (approximately 5 TB per month) to their local workstations. Which additional cost is most likely to be underestimated in the TCO analysis?

   • AThe cost of S3 storage for the 100 TB of data
   • BThe cost of EC2 instances to run the warehouse queries
   • CThe cost of data transfer out for the 5 TB of monthly analyst downloads
   • DThe cost of EBS volumes for temporary query results
   Reveal Solution Discussion Select an answer first