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GCDL Practice Question: A traditional bank is considering adopting open…
This GCDL practice question tests your understanding of a traditional bank is considering adopting open…. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 traditional bank is considering adopting open banking — exposing its financial data and transaction capabilities as APIs to third-party developers (with customer consent). This enables FinTech startups to build new financial products on top of the bank's infrastructure. What cloud capability is most essential to safely and scalably implement open banking?
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
A blockchain infrastructure to create an immutable record of all API transactions.
Blockchain adds complexity without solving the core open banking requirements of API security, rate limiting, and developer onboarding. Standard audit logs and API management cover these needs.
B
Distractor review
A dedicated cloud region in each country where the bank operates to minimize latency for API consumers.
Multi-region deployment is an optimization, not the essential capability. The critical requirement is secure, managed API access control — achievable from a single region initially.
C
Best answer
A managed API platform (like Apigee) that provides authentication, rate limiting, developer portal, and usage monitoring for third-party API consumers.
Apigee or similar API management platforms handle the controlled external exposure: OAuth/OIDC consent flows, per-developer quotas, usage analytics, and a developer portal — essential for open banking.
D
Distractor review
A large data warehouse (BigQuery) to store all transaction data for developer access.
Direct database access is insecure and unmanageable. Open banking requires controlled API access with authentication, rate limiting, and consent — not raw database access.
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.
Related practice questions
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Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
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: A managed API platform (like Apigee) that provides authentication, rate limiting, developer portal, and usage monitoring for third-party API consumers. — Open banking requires a managed API gateway layer that: authenticates third-party developers, enforces rate limiting and quotas, monitors usage, provides a developer portal for onboarding, and ensures security (OAuth/OIDC for customer consent). Cloud API management platforms (Apigee) provide all of these capabilities at scale. Without managed API infrastructure, the bank cannot safely expose its systems to hundreds of external developers while maintaining security and SLAs.
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.