The answer is that the provider manages everything, while the customer manages only data and user access. This is correct because in the shared responsibility model for SaaS, the cloud provider assumes full control over the physical infrastructure, operating system, runtime, and the application itself, leaving the customer with responsibility solely for their own data and identity management. On the Microsoft Azure Fundamentals AZ-900 exam, this concept tests your understanding of how responsibility shifts across service models—SaaS gives the provider the most control, contrasting sharply with IaaS where the customer handles more. A common trap is assuming the customer still manages the application or OS in SaaS; remember that SaaS is like renting a fully furnished apartment—you bring your belongings (data) and lock the door (user access), but the landlord handles everything else. For a quick memory tip, think “SaaS = Provider’s full stack, Customer’s data and access.”
AZ-900 Describe cloud concepts Practice Question
This AZ-900 practice question tests your understanding of describe cloud concepts. 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.
Which of the following statements accurately describes the shared responsibility model for SaaS applications?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The provider manages everything; the customer manages only data and user access
In the shared responsibility model for SaaS (Software as a Service), the cloud provider is responsible for the entire underlying infrastructure, including the application, runtime, operating system, and physical security. The customer's responsibilities are limited to managing their own data, configuring user access, and ensuring proper usage of the application. This model maximizes the provider's control, minimizing the customer's operational overhead.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The customer manages the application, runtime, and operating system
Why it's wrong here
In SaaS, the provider manages the application, runtime, and OS — not the customer.
✓
The provider manages everything; the customer manages only data and user access
Why this is correct
SaaS shifts all infrastructure, platform, and application responsibility to the provider; customers manage their data and identities.
Related concept
Read the scenario before looking for a memorised answer.
✗
The customer and provider share equal responsibility for all components
Why it's wrong here
Responsibility is not equal — SaaS heavily favors provider responsibility.
✗
The customer manages the runtime and middleware
Why it's wrong here
In SaaS, the provider manages runtime and middleware; PaaS is where customers manage application code.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse SaaS with IaaS or PaaS, assuming the customer retains control over the runtime or operating system, when in fact SaaS shifts nearly all operational responsibility to the provider.
Detailed technical explanation
How to think about this question
Under the hood, SaaS providers like Microsoft 365 or Salesforce use multi-tenant architectures where the provider patches the OS, runtime, and application code automatically. The customer's responsibility is governed by identity and access management (IAM) policies, such as enforcing multi-factor authentication (MFA) via Azure AD Conditional Access. A real-world scenario: if a customer's data is leaked due to weak user passwords, it is the customer's fault, not the provider's, even though the provider manages the application stack.
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.
TExam Day Tips
→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.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe cloud concepts — This question tests Describe cloud concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The provider manages everything; the customer manages only data and user access — In the shared responsibility model for SaaS (Software as a Service), the cloud provider is responsible for the entire underlying infrastructure, including the application, runtime, operating system, and physical security. The customer's responsibilities are limited to managing their own data, configuring user access, and ensuring proper usage of the application. This model maximizes the provider's control, minimizing the customer's operational overhead.
What should I do if I get this AZ-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This AZ-900 practice question is part of Courseiva's free Microsoft 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 AZ-900 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.