- A
Cloud Router with BGP enabled
Cloud Router exchanges routes via BGP.
- B
A single VPN tunnel
Why wrong: A single tunnel does not provide high availability.
- C
Two Cloud VPN gateways (HA VPN)
HA VPN uses two gateways for redundancy.
- D
VPC Network Peering
Why wrong: VPC peering is for connecting VPCs, not on-prem.
- E
Two VPN tunnels, each connected to a different gateway
Two tunnels provide failover.
Question 286 of 1,000
PCNE Practice Question: Managing, Monitoring, and Optimising Network Operations
This PCNE practice question tests your understanding of managing, monitoring, and optimising network operations. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
A company is migrating to Google Cloud and needs to connect their on-premises data center to a VPC using Cloud VPN with dynamic routing (BGP). They want high availability and automatic failover. Which THREE components are required? (Choose THREE.)
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
✓
Cloud Router with BGP enabled
For HA VPN with dynamic routing, you need two VPN gateways (HA), Cloud Router for BGP, and two tunnels (one to each gateway) for redundancy. A single tunnel would be a single point of failure.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Cloud Router with BGP enabled
Why this is correct
Cloud Router exchanges routes via BGP.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
A single VPN tunnel
Why it's wrong here
A single tunnel does not provide high availability.
- ✓
Two Cloud VPN gateways (HA VPN)
Why this is correct
HA VPN uses two gateways for redundancy.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
VPC Network Peering
Why it's wrong here
VPC peering is for connecting VPCs, not on-prem.
- ✓
Two VPN tunnels, each connected to a different gateway
Why this is correct
Two tunnels provide failover.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Got this wrong? Here's your next step.
Identify which PCNE exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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Managing, Monitoring, and Optimising Network Operations — study guide chapter
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FAQ
Questions learners often ask
What does this PCNE question test?
Managing, Monitoring, and Optimising Network Operations — This question tests Managing, Monitoring, and Optimising Network Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cloud Router with BGP enabled — For HA VPN with dynamic routing, you need two VPN gateways (HA), Cloud Router for BGP, and two tunnels (one to each gateway) for redundancy. A single tunnel would be a single point of failure.
What should I do if I get this PCNE question wrong?
Identify which PCNE exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jul 4, 2026
This PCNE 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 PCNE exam.
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