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GCDL Practice Question: A traditional taxi company is losing market share…
This GCDL practice question tests your understanding of a traditional taxi company is losing market share…. 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 taxi company is losing market share to ride-sharing apps built on cloud platforms. A digital transformation consultant explains that the ride-sharing companies have a fundamental advantage rooted in their technology architecture. Which cloud-enabled capability most directly explains the ride-sharing companies' competitive advantage?
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
Ride-sharing companies own more vehicles than taxi companies, giving them greater fleet capacity
Ride-sharing companies typically own no vehicles — their advantage is the platform and data, not fleet size. This fundamentally misidentifies the source of competitive advantage.
B
Best answer
Cloud-enabled real-time matching, dynamic ML-driven pricing, and elastic mobile platforms create an operating model that taxi companies' legacy systems cannot replicate
The competitive advantage is entirely cloud-powered: real-time GPS matching at scale (impossible without cloud compute), surge pricing driven by ML demand prediction, and mobile apps that create a seamless customer experience. These capabilities require cloud infrastructure and cloud-native development practices.
C
Distractor review
Ride-sharing companies pay lower taxes, giving them a cost advantage over regulated taxi companies
Regulatory and tax treatment is a separate issue unrelated to cloud or digital transformation. The technology advantage is the focus of the digital transformation consultation.
D
Distractor review
Ride-sharing apps are available on smartphones, while taxis require phone calls
The smartphone app is a visible symptom of the advantage, not the underlying source. The advantage is the cloud infrastructure, real-time data processing, and ML capabilities behind the app — not the app channel itself.
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
Related GCDL practice-question pages
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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: Cloud-enabled real-time matching, dynamic ML-driven pricing, and elastic mobile platforms create an operating model that taxi companies' legacy systems cannot replicate — Ride-sharing platforms use real-time data matching (GPS locations, demand patterns, driver availability), ML for dynamic pricing and route optimization, and mobile-first experiences — all running on cloud infrastructure that scales elastically with demand. Traditional taxi companies with dispatch call centers and manually managed fleets cannot match this real-time, data-driven operational model. The cloud enables a fundamentally different business operating model.
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.