PCDOE Managing Google Cloud costs Practice Question
This PCDOE practice question tests your understanding of managing google cloud costs. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An organization wants to optimize BigQuery costs. Which three practices should they implement? (Choose three.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Set a maximum bytes billed per query at the project level
Options A, C, and D are correct. Partitioning and clustering reduce data scanned; authorized views eliminate data duplication; setting a max bytes billed caps query costs. Option B is not always optimal, and option E increases costs.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Store data in multiple tables per day without partitioning
Why it's wrong here
Multiple small tables require full table scans, increasing costs.
✓
Set a maximum bytes billed per query at the project level
Why this is correct
Prevents runaway queries from incurring high costs.
Related concept
Static NAT maps one inside address to one outside address.
✓
Use table partitioning and clustering to reduce data scanned
Why this is correct
Reduces the amount of data read per query, lowering costs.
Related concept
Static NAT maps one inside address to one outside address.
✗
Purchase BigQuery flat-rate reservations for all queries
Why it's wrong here
Flat-rate is cost-effective only for consistently high usage; otherwise on-demand may be cheaper.
✓
Use authorized views to restrict data access instead of copying data
Why this is correct
Authorized views provide access without duplicating data, saving storage costs.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PCDOE NAT questions on configuration and troubleshooting.
Managing Google Cloud costs — This question tests Managing Google Cloud costs — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Set a maximum bytes billed per query at the project level — Options A, C, and D are correct. Partitioning and clustering reduce data scanned; authorized views eliminate data duplication; setting a max bytes billed caps query costs. Option B is not always optimal, and option E increases costs.
What should I do if I get this PCDOE question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PCDOE NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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