- A
Cloud NAT gateway
Why wrong: Cloud NAT is for outbound traffic, not required.
- B
URL map
URL map routes incoming requests to backends.
- C
Target TCP proxy
Why wrong: Target TCP proxy is for TCP traffic, not HTTPS.
- D
Backend service (pointing to the GKE NEG)
Backend service defines the backend and health checks.
- E
SSL certificate (Google-managed)
SSL certificate is needed for HTTPS.
Question 281 of 1,000
PCNE Configuring Network Services Practice Question
This PCNE practice question tests your understanding of configuring network services. 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.
A company runs a microservices application on Google Kubernetes Engine (GKE) and wants to expose an HTTP service to the internet using a global HTTPS load balancer. They need to enable Cloud CDN for static content and use a custom domain with a Google-managed SSL certificate. Which three resources must be created? (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
✓
URL map
To achieve this, you need a backend service (or backend bucket) for the service, a URL map to route requests, and an SSL certificate for the custom domain. The load balancer itself is the target proxy.
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.
- ✗
Cloud NAT gateway
Why it's wrong here
Cloud NAT is for outbound traffic, not required.
- ✓
URL map
Why this is correct
URL map routes incoming requests to backends.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Target TCP proxy
- ✓
Backend service (pointing to the GKE NEG)
Why this is correct
Backend service defines the backend and health checks.
Related concept
Static NAT maps one inside address to one outside address.
- ✓
SSL certificate (Google-managed)
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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 PCNE NAT questions on configuration and troubleshooting.
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Configuring Network Services — study guide chapter
Learn the concepts, then practise the questions
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FAQ
Questions learners often ask
What does this PCNE question test?
Configuring Network Services — This question tests Configuring Network Services — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: URL map — To achieve this, you need a backend service (or backend bucket) for the service, a URL map to route requests, and an SSL certificate for the custom domain. The load balancer itself is the target proxy.
What should I do if I get this PCNE 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 PCNE 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 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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