- A
Create a log sink with a filter for compute.googleapis.com/vpc_flows and destination BigQuery.
This exports the flow logs to BigQuery.
- B
Set up a Cloud Function to copy logs from Cloud Logging to BigQuery.
Why wrong: Log sinks are the recommended method; Cloud Functions would be inefficient.
- C
Create a BigQuery view to filter VPC Flow Logs.
Why wrong: A view does not export data; you need a sink.
- D
Enable Data Access logs for Compute Engine.
Why wrong: Data Access logs are different from VPC Flow Logs.
- E
Enable VPC Flow Logs on the subnet.
VPC Flow Logs must be enabled to generate log entries.
Question 781 of 985
PCSE Practice Question: Managing Operations in a Cloud Solution Environment
This PCSE practice question tests your understanding of managing operations in a cloud solution environment. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 detect and respond to potential data exfiltration attempts via VPC Flow Logs. They plan to export VPC Flow Logs to BigQuery for analysis. Which TWO actions should they take to enable this? (Choose TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a log sink with a filter for compute.googleapis.com/vpc_flows and destination BigQuery.
To export VPC Flow Logs to BigQuery, you need to create a log sink that filters for VPC Flow Logs and exports to BigQuery. The sink must be configured with a destination of BigQuery. Enabling Data Access logs is not required for VPC Flow Logs.
Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Create a log sink with a filter for compute.googleapis.com/vpc_flows and destination BigQuery.
Why this is correct
This exports the flow logs to BigQuery.
Related concept
CIDR notation defines the prefix length.
- ✗
Set up a Cloud Function to copy logs from Cloud Logging to BigQuery.
Why it's wrong here
Log sinks are the recommended method; Cloud Functions would be inefficient.
- ✗
Create a BigQuery view to filter VPC Flow Logs.
Why it's wrong here
A view does not export data; you need a sink.
- ✗
Enable Data Access logs for Compute Engine.
Why it's wrong here
Data Access logs are different from VPC Flow Logs.
- ✓
Enable VPC Flow Logs on the subnet.
Why this is correct
VPC Flow Logs must be enabled to generate log entries.
Related concept
CIDR notation defines the prefix length.
Common exam traps
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Detailed technical explanation
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
Key takeaway
Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related PCSE subnetting questions on CIDR, address ranges, and subnet selection.
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Managing Operations in a Cloud Solution Environment — study guide chapter
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FAQ
Questions learners often ask
What does this PCSE question test?
Managing Operations in a Cloud Solution Environment — This question tests Managing Operations in a Cloud Solution Environment — CIDR notation defines the prefix length..
What is the correct answer to this question?
The correct answer is: Create a log sink with a filter for compute.googleapis.com/vpc_flows and destination BigQuery. — To export VPC Flow Logs to BigQuery, you need to create a log sink that filters for VPC Flow Logs and exports to BigQuery. The sink must be configured with a destination of BigQuery. Enabling Data Access logs is not required for VPC Flow Logs.
What should I do if I get this PCSE question wrong?
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related PCSE subnetting questions on CIDR, address ranges, and subnet selection.
What is the key concept behind this question?
CIDR notation defines the prefix length.
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Last reviewed: Jul 4, 2026
This PCSE practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCSE exam.
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