This CCSP practice question tests your understanding of cloud concepts, architecture and design. 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 small business wants to use a cloud service but has limited in-house IT expertise. Which cloud service model requires the least customer management responsibility?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
IaaS
Why wrong: IaaS requires customer to manage OS, middleware, and applications.
SaaS
SaaS is fully managed; customer only uses the application.
PaaS
Why wrong: PaaS reduces management but still requires application-level management.
FaaS
Why wrong: FaaS (Functions as a Service) still requires function code management.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
SaaS
SaaS (Software as a Service) delivers a complete application managed entirely by the cloud provider, so the customer only needs to use the software without managing underlying infrastructure, platforms, or runtime. For a small business with limited IT expertise, this model minimizes operational overhead because the provider handles maintenance, patching, and availability.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
IaaS
Why it's wrong here
IaaS requires customer to manage OS, middleware, and applications.
SaaS
Why this is correct
SaaS is fully managed; customer only uses the application.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
PaaS
Why it's wrong here
PaaS reduces management but still requires application-level management.
FaaS
Why it's wrong here
FaaS (Functions as a Service) still requires function code management.
Common exam traps
ISC2 often tests the misconception that PaaS requires less management than SaaS because candidates confuse 'platform management' with 'application management,' but PaaS still leaves the customer responsible for application code and its dependencies.
Detailed technical explanation
In SaaS, the provider abstracts everything from the hypervisor to the application layer, typically using multi-tenant architectures where each customer's data is isolated via logical separation (e.g., row-level security or separate database schemas). A real-world scenario is a small business using Google Workspace: they never patch the mail server or manage TLS certificates—the provider handles all updates, redundancy, and compliance certifications like SOC 2.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A security team runs a vulnerability scan on a web application and discovers an unpatched SQL injection flaw. The team prioritises remediation by CVSS score — critical flaws are patched within 24 hours, high within 7 days. Questions like this test whether you understand vulnerability management processes, scanning tools, and remediation prioritisation.
What to study next
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FAQ
Cloud Concepts, Architecture and Design — This question tests Cloud Concepts, Architecture and Design — Read the scenario before looking for a memorised answer..
The correct answer is: SaaS — SaaS (Software as a Service) delivers a complete application managed entirely by the cloud provider, so the customer only needs to use the software without managing underlying infrastructure, platforms, or runtime. For a small business with limited IT expertise, this model minimizes operational overhead because the provider handles maintenance, patching, and availability.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This CCSP practice question is part of Courseiva's free ISC2 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 CCSP exam.
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