Cloud Engineer Cloud Engineer Cost Optimization & Resource Management 2

Question 1

Which Cloud Storage class is most cost-effective for data accessed less than once a year?

Accepted Answer

Archive

Answer

Archive storage has the lowest storage cost but highest retrieval cost, designed for data accessed fewer than once per year such as long-term backups and disaster recovery.

Question 2

What is the primary benefit of using custom machine types in Compute Engine?

Accepted Answer

They allow you to specify exact vCPU and memory ratios to avoid paying for unused resources

Answer

Custom machine types let you choose the exact number of vCPUs and amount of memory your workload needs, avoiding the waste of over-provisioning with fixed predefined machine types.

Question 3

Which BigQuery feature eliminates the need to manage cluster sizing and charges only for data scanned?

Accepted Answer

BigQuery on-demand pricing

Answer

BigQuery on-demand pricing charges per TB of data scanned, with no infrastructure to manage, making it cost-efficient for variable or unpredictable query workloads.

Question 4

What GCP feature allows you to export detailed billing data to BigQuery for advanced cost analysis?

Accepted Answer

Cloud Billing data export to BigQuery

Answer

Cloud Billing export to BigQuery streams all billing data (usage, cost, credits) into a BigQuery dataset for custom queries, dashboards, and cost allocation reports.

Question 5

A team deployed several test VMs that are now idle. Which GCP tool will proactively identify these idle VMs and suggest deleting them?

Accepted Answer

Google Cloud Recommender (idle VM recommendation)

Answer

Google Cloud Recommender provides idle VM recommendations by identifying instances with low CPU utilization over a rolling 14-day window and suggesting they be stopped or deleted.

Cloud Engineer Practice Test

Cloud Engineer Practice Test

Cloud Engineer Cloud Engineer Cost Optimization & Resource Management 2