Cloud Digital Leader Fundamental Cloud Concepts Practice Question
Which of the following is a characteristic of the cloud according to the NIST definition?
⚠ Common exam trap
Test-takers frequently confuse the five NIST essential characteristics with generic cloud benefits — candidates often pick 'manual scaling' or 'single tenancy' because they sound plausible but actually contradict elasticity and resource pooling.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Measured service
The NIST SP 800-145 definition of cloud computing lists five essential characteristics: on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service. Measured service means cloud providers automatically monitor, control, and report resource usage (storage, processing, bandwidth, active user accounts) via metering capabilities, providing transparency to both provider and consumer. This pay-per-use metering model is a defining trait of cloud computing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Measured service
Why this is correct
Measured service is the cloud attribute whereby the provider continuously meters, monitors, and controls resource usage (compute, storage, networking) to provide transparent, pay-per-use billing. This metering enables cost optimization by allowing customers to align spending with actual consumption, and it is a core NIST essential characteristic that distinguishes cloud from traditional IT.
- ✗
Manual scaling
Why it's wrong here
Manual scaling is not a cloud characteristic; NIST's essential characteristic of rapid elasticity requires automatic scaling, where resources can be provisioned or released in response to demand changes without human interaction. Manual scaling would impose manual intervention, violating the self-service and automation principles that define cloud elasticity.
- ✗
Limited network access
Why it's wrong here
Limited network access is the opposite of NIST's broad network access, which mandates that cloud capabilities are available over the network via standard protocols and accessible by heterogeneous client platforms (e.g., mobile phones, laptops, and workstations). Restricting network access would undermine the fundamental utility-style availability of cloud services.
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Single tenancy
Why it's wrong here
Single tenancy conflicts with NIST's resource pooling, where the provider uses a multi-tenant model to dynamically assign physical and virtual resources among multiple consumers based on demand. Single tenancy dedicates infrastructure to one customer, negating the economies of scale, sharing, and abstraction that are hallmarks of cloud computing.
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Key term
Cloud computing
Cloud computing is the on-demand delivery of IT resources over the internet, allowing users to access computing power, storage, and applications without owning physical hardware.
Key term
Transparency
Transparency in AI means that the inner workings, decision-making processes, and data used by an AI system are open, understandable, and auditable by humans.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Google Cloud exam blueprint
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.