This GCDL practice question tests your understanding of google cloud products, services, and solutions. 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 global web application with static content (images, CSS, JS) and dynamic API calls. They want to reduce latency for users worldwide. Which TWO services should they combine? (Choose 2)
Cloud VPN
Why wrong: For private connectivity, not global latency.
Cloud CDN
Caches static content at edge locations, reducing latency.
External HTTP(S) Load Balancer
Distributes traffic globally and terminates SSL at edge.
Cloud Armor
Why wrong: Web application firewall, not for latency reduction.
Cloud DNS
Why wrong: DNS resolution, but not for content delivery.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Cloud CDN
Cloud CDN (option B) caches static content (images, CSS, JS) at Google's globally distributed edge points of presence (PoPs), reducing latency for users by serving content from a location closer to them. The External HTTP(S) Load Balancer (option C) is required to front the application and integrate with Cloud CDN, providing global anycast IP, SSL termination, and traffic distribution to backend instances. Together, they enable low-latency delivery of both static and dynamic content by combining edge caching with intelligent load balancing.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Cloud VPN
Why it's wrong here
For private connectivity, not global latency.
Cloud CDN
Why this is correct
Caches static content at edge locations, reducing latency.
Related concept
Read the scenario before looking for a memorised answer.
External HTTP(S) Load Balancer
Why this is correct
Distributes traffic globally and terminates SSL at edge.
Related concept
Read the scenario before looking for a memorised answer.
Cloud Armor
Why it's wrong here
Web application firewall, not for latency reduction.
Cloud DNS
Why it's wrong here
DNS resolution, but not for content delivery.
Common exam traps
The trap here is that candidates often confuse Cloud CDN with Cloud Armor or Cloud DNS, thinking security or DNS services can reduce latency, but only CDN combined with a global load balancer provides edge caching and anycast routing for static and dynamic content.
Detailed technical explanation
Cloud CDN leverages Google's global edge cache network with over 150+ points of presence, using HTTP/2 and QUIC for optimized transport. When combined with the External HTTP(S) Load Balancer, it supports cache modes like CACHE_ALL_STATIC and ORIGIN_OVERRIDE, and respects Cache-Control headers (e.g., max-age, s-maxage) to control TTL. For dynamic API calls, the load balancer can bypass the cache or use negative caching for error responses, ensuring fresh data while still benefiting from global anycast routing.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Google Cloud products, services, and solutions — This question tests Google Cloud products, services, and solutions — Read the scenario before looking for a memorised answer..
The correct answer is: Cloud CDN — Cloud CDN (option B) caches static content (images, CSS, JS) at Google's globally distributed edge points of presence (PoPs), reducing latency for users by serving content from a location closer to them. The External HTTP(S) Load Balancer (option C) is required to front the application and integrate with Cloud CDN, providing global anycast IP, SSL termination, and traffic distribution to backend instances. Together, they enable low-latency delivery of both static and dynamic content by combining edge caching with intelligent load balancing.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This GCDL 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 GCDL exam.
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