Question 728 of 1,000
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Match Google Cloud Networking Services to Their Functions

This PCNE practice question tests your understanding of pcne exam topics. 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.

Match each Google Cloud networking service to its primary function.

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "primary"

    Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.

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 Load Balancing: Distributes incoming traffic across multiple instances

Correct matches: Cloud Load Balancing distributes traffic, Cloud CDN caches content, Cloud DNS resolves domain names. Common confusions: Cloud NAT is for internet access without external IPs, Virtual Private Cloud provides isolated networks, and Cloud Interconnect connects on-premises to Google Cloud.

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 Load Balancing: Distributes incoming traffic across multiple instances

    Why this is correct

    Cloud Load Balancing is correctly defined as distributing incoming traffic across multiple instances.

    Clue confirmation

    The clue word "primary" in the question point toward this answer.

    Related concept

    Static NAT maps one inside address to one outside address.

  • Cloud CDN: Caches content at edge locations for low latency delivery

    Why this is correct

    Cloud CDN is correctly defined as caching content at edge locations for low latency delivery.

    Clue confirmation

    The clue word "primary" in the question point toward this answer.

    Related concept

    Static NAT maps one inside address to one outside address.

  • Cloud DNS: Translates domain names to IP addresses

    Why this is correct

    Cloud DNS is correctly defined as translating domain names to IP addresses.

    Clue confirmation

    The clue word "primary" in the question point toward this answer.

    Related concept

    Static NAT maps one inside address to one outside address.

  • Cloud NAT: Caches content at edge locations

    Why it's wrong here

    Incorrect — caching content at edge locations describes Cloud CDN, not Cloud NAT.

  • Virtual Private Cloud: Provides dedicated connection between on-premises and VPC

    Why it's wrong here

    Incorrect — providing dedicated connection between on-premises and VPC describes Cloud Interconnect, not Virtual Private Cloud.

  • Cloud Interconnect: Translates domain names to IP addresses

    Why it's wrong here

    Incorrect — translating domain names to IP addresses describes Cloud DNS, not Cloud Interconnect.

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

Inside (Private) PC-A 10.0.0.1 PC-B 10.0.0.2 NAT Router Outside (Public) 203.0.113.1 Inside Global Server PAT: many private IPs share one public IP via unique port numbers

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.

Related practice questions

Related PCNE practice-question pages

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FAQ

Questions learners often ask

What does this PCNE question test?

Static NAT maps one inside address to one outside address.

What is the correct answer to this question?

The correct answer is: Cloud Load Balancing: Distributes incoming traffic across multiple instances — Correct matches: Cloud Load Balancing distributes traffic, Cloud CDN caches content, Cloud DNS resolves domain names. Common confusions: Cloud NAT is for internet access without external IPs, Virtual Private Cloud provides isolated networks, and Cloud Interconnect connects on-premises to Google Cloud.

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.

Are there clue words in this question I should notice?

Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.

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 11, 2026

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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.