Google ACE Deploying and implementing a cloud solution Practice Question
This ACE practice question tests your understanding of deploying and implementing a cloud solution. 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 is deploying a multi-region application on Google Kubernetes Engine (GKE) with clusters in us-central1 and europe-west1. They want to route user traffic to the closest healthy cluster using a global load balancer with SSL termination. Which load balancing service should they use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
External HTTPS Load Balancer with a global backend service (using NEGs)
D is correct because the External HTTPSLoad Balancer with a global backend service using Network Endpoint Groups (NEGs) provides global anycast IP, SSL termination, and traffic routing to the closest healthy GKE cluster via Google's global network. This meets the requirement for multi-region GKE clusters with automatic failover and low latency.
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.
✗
Internal Load Balancer
Why it's wrong here
Internal load balancers are for traffic within a VPC, not public.
✗
SSL Proxy Load Balancer
Why it's wrong here
SSL Proxy is for non-HTTP traffic and does not integrate with GKE NEGs.
✗
External TCP/UDP Network Load Balancer
Why it's wrong here
This is regional and does not support SSL termination or cross-region routing.
✓
External HTTPS Load Balancer with a global backend service (using NEGs)
Why this is correct
This load balancer can route to multiple backends across regions and terminate SSL.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse regional load balancers (like SSL Proxy or TCP/UDP Network LB) with global ones, mistakenly thinking SSL termination alone is sufficient, but the key requirement for multi-region routing to the closest cluster demands a global load balancer with a global backend service.
Detailed technical explanation
How to think about this question
The External HTTPSLoad Balancer uses Google's global anycast IP (e.g., 34.96.0.0/16 range) and a global backend service that can reference NEGs containing GKE pods across multiple regions. It performs SSL termination at the Google Front End (GFE), then routes traffic over Google's backbone to the nearest healthy backend, using health checks and session affinity if configured. This design ensures that traffic from a user in Europe goes to europe-west1, while traffic from the US goes to us-central1, with automatic failover if one cluster becomes unhealthy.
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.
TExam Day Tips
→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
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this ACE question in full detail.
Deploying and implementing a cloud solution — This question tests Deploying and implementing a cloud solution — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: External HTTPS Load Balancer with a global backend service (using NEGs) — D is correct because the External HTTPS Load Balancer with a global backend service using Network Endpoint Groups (NEGs) provides global anycast IP, SSL termination, and traffic routing to the closest healthy GKE cluster via Google's global network. This meets the requirement for multi-region GKE clusters with automatic failover and low latency.
What should I do if I get this ACE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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