This CCSP practice question tests your understanding of cloud concepts, architecture and design. Compare every option against the stated constraints before choosing — the best answer satisfies all requirements, not just the most obvious one. 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 company wants to ensure that their cloud deployment has the highest level of isolation between tenants. Which deployment model is most appropriate?
Public cloud
Why wrong: Public cloud shares resources among many tenants, reducing isolation.
Hybrid cloud
Why wrong: Hybrid cloud combines models but does not guarantee highest isolation.
Private cloud
Private cloud is dedicated to a single organization, providing maximum isolation.
Community cloud
Why wrong: Community cloud is shared among a specific group, not fully isolated.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Private cloud
Private cloud (Option C) is correct because it is a single-tenant environment where the cloud infrastructure is dedicated exclusively to one organization, providing the highest level of isolation between tenants. In a private cloud, network segmentation is achieved through technologies such as VLANs (IEEE 802.1Q), VXLANs (RFC 7348), and dedicated hypervisor-level resource pools, ensuring that no other tenant's workloads share the same physical or virtual resources. This eliminates the multi-tenancy risks inherent in public and community clouds, where isolation relies on shared infrastructure and logical separation mechanisms like hypervisor-enforced memory isolation and network overlays.
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.
Public cloud
Why it's wrong here
Public cloud shares resources among many tenants, reducing isolation.
Hybrid cloud
Why it's wrong here
Hybrid cloud combines models but does not guarantee highest isolation.
Private cloud
Why this is correct
Private cloud is dedicated to a single organization, providing maximum isolation.
Related concept
Read the scenario before looking for a memorised answer.
Community cloud
Why it's wrong here
Community cloud is shared among a specific group, not fully isolated.
Common exam traps
ISC2 often tests the misconception that hybrid cloud provides the highest isolation because it includes a private component, but the trap is that hybrid cloud still incorporates a public cloud element, which inherently introduces multi-tenancy and reduces overall isolation compared to a fully private cloud.
Detailed technical explanation
Under the hood, private cloud isolation is enforced at multiple layers: at the network layer, technologies like VXLAN (RFC 7348) provide overlay networks that are completely isolated from other tenants, even when traversing shared physical switches; at the compute layer, hypervisors (e.g., VMware ESXi, KVM) use hardware-assisted memory isolation (e.g., Intel VT-x, AMD-V) to prevent any cross-tenant data leakage. In a real-world scenario, a financial institution handling PCI DSS data would deploy a private cloud to ensure that no other tenant's processes can access its memory or storage, avoiding the shared kernel vulnerabilities that have been demonstrated in public cloud environments (e.g., Meltdown/Spectre side-channel attacks).
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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: Private cloud — Private cloud (Option C) is correct because it is a single-tenant environment where the cloud infrastructure is dedicated exclusively to one organization, providing the highest level of isolation between tenants. In a private cloud, network segmentation is achieved through technologies such as VLANs (IEEE 802.1Q), VXLANs (RFC 7348), and dedicated hypervisor-level resource pools, ensuring that no other tenant's workloads share the same physical or virtual resources. This eliminates the multi-tenancy risks inherent in public and community clouds, where isolation relies on shared infrastructure and logical separation mechanisms like hypervisor-enforced memory isolation and network overlays.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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