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GCDL Practice Question: A platform business (like a marketplace) hosts…
This GCDL practice question tests your understanding of a platform business (like a marketplace) hosts…. 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 platform business (like a marketplace) hosts both buyers and sellers. As more sellers join, the marketplace becomes more valuable to buyers (more choice), and vice versa. Cloud infrastructure that can scale to handle millions of users is essential for this model. What economic concept describes why the platform becomes more valuable as it grows?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Marginal cost reduction — digital goods can be replicated at near-zero marginal cost.
Marginal cost reduction applies to digital content reproduction. Network effects describe the value increase from additional users, not the cost of serving them.
B
Best answer
Network effects — the platform becomes more valuable to each participant as the total number of participants grows.
Network effects make platforms like marketplaces, social networks, and communication tools more valuable as they grow. Cloud provides the elastic infrastructure to scale into these self-reinforcing value dynamics.
C
Distractor review
Economies of scale — lower per-unit costs as production volume increases.
Economies of scale describe cost reductions with volume, not how value increases for all users as more users join. Network effects are about value creation, not cost reduction.
D
Distractor review
Monopoly pricing power — larger platforms can charge higher prices.
Monopoly pricing describes a market power outcome, not the value creation mechanism. Network effects explain why platforms grow in value — pricing is a separate consideration.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A traditional retailer currently maintains its own data centers, purchasing servers every 3–5 years and paying for facilities, power, and staff regardless of demand. When it migrates its workloads to the public cloud, which change in cost model does it experience?
Question 2
An e-commerce company plans its infrastructure for peak shopping events (e.g., Black Friday) which drive 50× normal traffic. On-premises, they must maintain 50× capacity year-round. In the cloud, they provision 50× capacity only during peak periods. Which cloud characteristic enables this cost optimization?
Question 3
Which term describes the process by which organizations integrate digital technology into all areas of their business, fundamentally changing how they operate and deliver value to customers?
Question 4
When a company moves from maintaining its own data center to using Google Cloud, which operational responsibility does Google assume that the company previously managed?
Question 5
A hospital runs a patient records system that must remain on-premises due to strict regulatory data residency requirements. However, they also want to use cloud-based AI for diagnostic imaging analysis. Which cloud deployment model best describes their architecture?
Question 6
What is virtualization in the context of cloud computing, and why is it fundamental to how cloud providers deliver services?
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FAQ
Questions learners often ask
What does this GCDL question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Network effects — the platform becomes more valuable to each participant as the total number of participants grows. — Network effects describe how a product or service becomes more valuable as more people use it. For platform businesses, each additional participant (buyer or seller) increases the value for all existing participants. Cloud enables platform businesses to scale to support the user volumes necessary to reach 'critical mass' — the threshold where network effects become self-reinforcing. Without cloud's elastic scalability, platform businesses couldn't affordably scale to serve millions of users.
What should I do if I get this GCDL question wrong?
Identify which GCDL exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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.