- A
Managed instance group
MIG provides a group of instances across zones that can serve as a backend to the load balancer.
- B
External HTTP(S) load balancer
This load balancer provides SSL termination and cross-zone load balancing.
- C
Cloud CDN
Why wrong: Cloud CDN is a content delivery network, not required for basic load balancing and SSL termination.
- D
Internal TCP/UDP load balancer
Why wrong: Internal load balancers do not terminate SSL/TLS and are for private traffic.
- E
Cloud NAT
Why wrong: Cloud NAT is for outbound internet access, not load balancing.
Question 529 of 1,000
Google ACE Planning and Configuring a Cloud Solution Practice Question
This ACE practice question tests your understanding of planning and configuring 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 web application on Compute Engine and wants to distribute traffic across multiple instances in different zones for high availability. They also need to terminate SSL/TLS at the load balancer. Which TWO services should they use together?
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
✓
Managed instance group
An external HTTP(S) load balancer provides SSL/TLS termination and distributes traffic across instances in multiple zones. Managed instance groups allow you to manage the instances and autoscale if needed. The load balancer uses the instance group as a backend.
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.
- ✓
Managed instance group
Why this is correct
MIG provides a group of instances across zones that can serve as a backend to the load balancer.
Related concept
Static NAT maps one inside address to one outside address.
- ✓
External HTTP(S) load balancer
Why this is correct
This load balancer provides SSL termination and cross-zone load balancing.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Cloud CDN
Why it's wrong here
Cloud CDN is a content delivery network, not required for basic load balancing and SSL termination.
- ✗
Internal TCP/UDP load balancer
Why it's wrong here
Internal load balancers do not terminate SSL/TLS and are for private traffic.
- ✗
Cloud NAT
Why it's wrong here
Cloud NAT is for outbound internet access, not load balancing.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
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?
Planning and Configuring a Cloud Solution — This question tests Planning and Configuring 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: Managed instance group — An external HTTP(S) load balancer provides SSL/TLS termination and distributes traffic across instances in multiple zones. Managed instance groups allow you to manage the instances and autoscale if needed. The load balancer uses the instance group as a backend.
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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