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GCDL Practice Question: A retail bank is building a partnership with a…
This GCDL practice question tests your understanding of a retail bank is building a partnership with a…. 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 retail bank is building a partnership with a fintech startup. The bank provides regulated financial services infrastructure and customer reach; the fintech provides innovative digital experiences. Which cloud architectural pattern most naturally enables this kind of bank-fintech partnership?
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
Giving the fintech startup direct database access to the bank's customer records system for maximum data sharing
Direct database access to a bank's core systems is a severe security and compliance risk. APIs provide governed, audited, controlled access without exposing the underlying data store.
B
Best answer
An API-first Open Banking architecture where the bank exposes regulated capabilities (accounts, payments, KYC) through managed APIs that the fintech builds innovative experiences on top of
This is the Open Banking / BaaP pattern. The bank's APIs provide the regulated foundation (PSD2, open banking standards); the fintech builds customer-facing innovation on top. API management (like Apigee) provides authentication, rate limiting, versioning, and analytics for the partnership. This is exactly how modern bank-fintech partnerships work.
C
Distractor review
The bank should acquire the fintech startup and consolidate all technology onto the bank's legacy infrastructure
Acquisition and consolidation are business strategy options, but they would eliminate the fintech's innovation advantage by forcing it onto legacy bank infrastructure. The partnership model preserves the fintech's agility.
D
Distractor review
The fintech should build all required banking infrastructure independently to avoid dependency on the bank's legacy systems
Building banking infrastructure independently would require the fintech to obtain banking licenses, build compliance systems, and manage regulated operations — eliminating the value of the partnership. The partnership exists precisely to avoid this.
Common exam trap
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.
Technical deep dive
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.
Related practice questions
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More questions from this exam
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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?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: An API-first Open Banking architecture where the bank exposes regulated capabilities (accounts, payments, KYC) through managed APIs that the fintech builds innovative experiences on top of — Banking-as-a-Platform (BaaP) or Open Banking architectures use APIs to expose regulated banking capabilities (account information, payment initiation, lending, KYC) to third-party fintech developers and partners. Google Cloud's Apigee API management platform is frequently used to manage and secure these APIs. This API-first approach is what makes bank-fintech partnerships scalable and manageable.
What should I do if I get this GCDL 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 GCDL NAT questions on configuration and troubleshooting.
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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.