Cloud Digital Leader Why cloud technology is transforming business Practice Question
This GCDL practice question tests your understanding of why cloud technology is transforming business. 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 global e-commerce company serves customers from multiple continents. They want to guarantee fast page load times and minimize latency. Which Google Cloud service is most suitable for this transformation?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Cloud CDN with global external HTTP(S) load balancing
Cloud CDN with global external HTTP(S) load balancing is the most suitable solution because it caches static and dynamic content at edge locations worldwide, reducing latency for users across multiple continents. The global load balancer provides anycast IP addresses that route traffic to the nearest healthy backend, while Cloud CDN serves cached content directly from the edge, minimizing round-trip time and improving page load times.
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.
✗
Cloud SQL for data caching
Why it's wrong here
Cloud SQL is a managed database, not designed for content delivery at edge.
✗
Cloud Storage multi-regional buckets
Why it's wrong here
Multi-regional buckets serve from multiple locations but lack edge caching that CDN provides.
✓
Cloud CDN with global external HTTP(S) load balancing
Why this is correct
Cloud CDN caches content at edge locations, drastically reducing latency for global users.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Compute Engine with large VMs
Why it's wrong here
Large VMs increase compute power but do not reduce network latency geographically.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that multi-regional storage alone (Option B) provides low latency, but candidates must understand that storage redundancy does not equal edge caching or request routing, which are essential for minimizing page load times across continents.
Detailed technical explanation
How to think about this question
Cloud CDN leverages Google's global edge network with over 200 points of presence (PoPs) to cache content using HTTP(S) cache-control headers and supports cache invalidation via the Cloud CDN API. The global external HTTP(S) load balancer uses anycast routing with BGP to direct user requests to the closest healthy backend, and when combined with Cloud CDN, it can serve cached responses directly from the edge, reducing origin server load and achieving sub-50ms latency for static assets worldwide. A real-world scenario is an e-commerce site with product images and JavaScript bundles; without CDN, users in Australia might experience 300ms+ latency to a US-based origin, but with Cloud CDN, the same assets are served from a Sydney PoP in under 20ms.
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 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this GCDL question in full detail.
Why cloud technology is transforming business — This question tests Why cloud technology is transforming business — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cloud CDN with global external HTTP(S) load balancing — Cloud CDN with global external HTTP(S) load balancing is the most suitable solution because it caches static and dynamic content at edge locations worldwide, reducing latency for users across multiple continents. The global load balancer provides anycast IP addresses that route traffic to the nearest healthy backend, while Cloud CDN serves cached content directly from the edge, minimizing round-trip time and improving page load times.
What should I do if I get this GCDL question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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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