- A
VPC Peering
Correct. VPC Peering enables direct private connectivity between VPCs in different regions without traversing the public internet or using VPNs.
- B
Private Google Access
Why wrong: Incorrect. Private Google Access allows on-premises machines to access Google APIs using private IPs, but does not connect VPCs.
- C
Cloud NAT
Why wrong: Incorrect. Cloud NAT provides outbound internet connectivity for instances without external IPs; it does not connect VPCs.
- D
Cloud VPN
Why wrong: Incorrect. Cloud VPN uses IPsec tunnels over the public internet, which does not meet the requirement of not traversing the public internet.
- E
Shared VPC
Correct. Shared VPC allows you to centrally manage and connect VPCs across multiple projects, enabling private connectivity.
Google ACE Practice Question: A company has multiple Google Cloud projects and…
This ACE practice question tests your understanding of ace exam topics. 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 has multiple Google Cloud projects and needs to connect VPCs in different regions privately without traversing the public internet or using VPN tunnels. Which two Google Cloud networking solutions can accomplish this requirement?
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
VPC Peering
Options A and E are correct. VPC Peering (A) allows direct peering between VPCs across regions without traversing the public internet. Shared VPC (E) enables VPCs from different projects to be part of the same VPC network, allowing private connectivity across regions. Option B (Private Google Access) is for on-premises access to Google APIs, not VPC connectivity. Option C (Cloud NAT) provides outbound internet access to instances, not private connectivity between VPCs. Option D (Cloud VPN) uses the public internet for encrypted tunnels, not fully private connectivity.
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.
- ✓
VPC Peering
Why this is correct
Correct. VPC Peering enables direct private connectivity between VPCs in different regions without traversing the public internet or using VPNs.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Private Google Access
Why it's wrong here
Incorrect. Private Google Access allows on-premises machines to access Google APIs using private IPs, but does not connect VPCs.
- ✗
Cloud NAT
- ✗
Cloud VPN
- ✓
Shared VPC
Why this is correct
Correct. Shared VPC allows you to centrally manage and connect VPCs across multiple projects, enabling private connectivity.
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 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.
Visual reference
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 ACE NAT questions on configuration and troubleshooting.
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FAQ
Questions learners often ask
What does this ACE question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: VPC Peering — Options A and E are correct. VPC Peering (A) allows direct peering between VPCs across regions without traversing the public internet. Shared VPC (E) enables VPCs from different projects to be part of the same VPC network, allowing private connectivity across regions. Option B (Private Google Access) is for on-premises access to Google APIs, not VPC connectivity. Option C (Cloud NAT) provides outbound internet access to instances, not private connectivity between VPCs. Option D (Cloud VPN) uses the public internet for encrypted tunnels, not fully private connectivity.
What should I do if I get this ACE 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 ACE 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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Last reviewed: Jun 23, 2026
This ACE 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 ACE exam.
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