- A
Create a Service of type NodePort and then use a Cloud NAT with a static IP.
Why wrong: Cloud NAT provides outbound connectivity, not inbound.
- B
Create a Service of type ClusterIP and then use a Cloud Load Balancing service with the static IP.
Why wrong: ClusterIP is internal only; external access requires additional components.
- C
Reserve a static external IP address in the same region as the cluster, then create a Service of type LoadBalancer and assign the static IP via the loadBalancerIP field.
Correct method: static IP plus Service type LoadBalancer with loadBalancerIP.
- D
Create a Service of type NodePort and then create an Ingress resource with a static IP annotation.
Why wrong: Ingress can use a static IP, but the question asks for exposing the application; the engineer could use Ingress, but the most direct method is a LoadBalancer Service. Option B is not the simplest correct approach.
Google ACE Deploying and Implementing a Cloud Solution Practice Question
This ACE practice question tests your understanding of deploying and implementing a cloud solution. 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 engineer is deploying a containerized application on Google Kubernetes Engine (GKE) and needs to expose it to the internet with a static external IP address. The cluster is in a VPC-native configuration. Which approach should the engineer take to meet 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
Reserve a static external IP address in the same region as the cluster, then create a Service of type LoadBalancer and assign the static IP via the loadBalancerIP field.
To expose a service with a static external IP on GKE, the engineer should reserve a static external IP address, then create a Service of type LoadBalancer and specify that IP address in the service spec using the loadBalancerIP field. Option A correctly describes this. Option B uses an Ingress, which can also work but typically requires additional configuration (e.g., for static IP). Option C uses NodePort, which doesn't provide a static external IP by itself. Option D uses ClusterIP, which is internal only.
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.
- ✗
Create a Service of type NodePort and then use a Cloud NAT with a static IP.
Why it's wrong here
Cloud NAT provides outbound connectivity, not inbound.
- ✗
Create a Service of type ClusterIP and then use a Cloud Load Balancing service with the static IP.
Why it's wrong here
ClusterIP is internal only; external access requires additional components.
- ✓
Reserve a static external IP address in the same region as the cluster, then create a Service of type LoadBalancer and assign the static IP via the loadBalancerIP field.
Why this is correct
Correct method: static IP plus Service type LoadBalancer with loadBalancerIP.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Create a Service of type NodePort and then create an Ingress resource with a static IP annotation.
Why it's wrong here
Ingress can use a static IP, but the question asks for exposing the application; the engineer could use Ingress, but the most direct method is a LoadBalancer Service. Option B is not the simplest correct approach.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
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?
Deploying and Implementing a Cloud Solution — This question tests Deploying and Implementing a Cloud Solution — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Reserve a static external IP address in the same region as the cluster, then create a Service of type LoadBalancer and assign the static IP via the loadBalancerIP field. — To expose a service with a static external IP on GKE, the engineer should reserve a static external IP address, then create a Service of type LoadBalancer and specify that IP address in the service spec using the loadBalancerIP field. Option A correctly describes this. Option B uses an Ingress, which can also work but typically requires additional configuration (e.g., for static IP). Option C uses NodePort, which doesn't provide a static external IP by itself. Option D uses ClusterIP, which is internal only.
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: Jul 4, 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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