Optimizing performance and cost Questions
Practice questions for Optimizing performance and cost topic in Google Professional Cloud DevOps Engineer. 23 questions covering this domain.
Which statement about Spot VMs is correct?
A team runs a steady baseline of predictable Compute Engine capacity all month. Which discount model is the best primary fit?
Managed Service for Prometheus is scraping targets every 15 seconds, and cost needs to drop without changing label cardinality. Which change gives the...
A logging team wants to keep low-value entries from increasing Cloud Logging storage costs. What should they configure?
An alerting policy is expensive because it evaluates a very high-cardinality metric at raw granularity. Which change most directly follows Google Clou...
What do you need to do to receive sustained use discounts for eligible Compute Engine resources?
A team runs a GKE cluster with variable workloads. Peak usage is twice the baseline, but the team currently runs enough nodes for peak capacity at all...
A team runs a Managed Service for Prometheus deployment that scrapes 200 targets every 15 seconds. Cost has grown significantly. Without changing what...
A team is spending heavily on Cloud Logging because high-volume debug logs from a verbose application are being stored. The application cannot be modi...
Which Compute Engine discount is applied automatically with no commitment required, based on the fraction of a month a VM runs?
A team's Cloud Monitoring bill is higher than expected. Investigation reveals a custom alerting policy evaluates 300 distinct time series for a metric...
A team uses Managed Service for Prometheus and is evaluating cost. Their current setup scrapes 1,000 targets every 15 seconds. They can change the scr...
A team runs batch ML training jobs that can tolerate interruption. Which Compute Engine VM option provides the lowest cost for this use case?
A team's Cloud Logging bill is growing rapidly due to verbose INFO-level application logs. The application team cannot reduce logging verbosity in the...
A platform team reviews their Cloud Monitoring bill and finds that a custom metric with 800 distinct label value combinations generates significantly ...
A team runs a GKE cluster where workloads are highly unpredictable in CPU and memory demands. Which GKE feature automatically adds and removes nodes b...
An engineering team discovers that their GKE cluster consistently runs at 20% utilization during nights and weekends. Their workload is stateless and ...
A team wants to receive a notification if their projected monthly Cloud Billing spend is on track to exceed a defined budget. Which Google Cloud featu...
A team is surprised by a large Cloud Monitoring bill. Investigation reveals they have 1,200 custom metric time series from a GKE workload, most of whi...
A team has a stable, predictable baseline of 50 GKE nodes running continuously for the next three years. Which discount model provides the greatest sa...
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