- A
Trusted Platform Module (TPM)
Why wrong: A TPM provides hardware-based secure storage for cryptographic keys and platform attestation, but it does not isolate runtime memory or processes from the OS or hypervisor.
- B
Hardware Security Module (HSM)
Why wrong: An HSM is a specialized device for managing cryptographic keys and performing cryptographic operations, but it is not designed to run arbitrary application code in isolated memory enclaves.
- C
Secure enclave (e.g., Intel SGX)
A secure enclave, such as Intel Software Guard Extensions (SGX), creates hardware-enforced encrypted regions of memory that protect code and data from access by the host OS, hypervisor, or other processes, even if those lower layers are compromised.
- D
UEFI Secure Boot
Why wrong: Secure Boot ensures that only digitally signed boot loaders and operating system kernels are executed during the startup process. It does not provide runtime isolation for applications.
Quick Answer
The answer is a secure enclave, such as Intel SGX, which is the correct choice because it provides hardware-enforced runtime isolation through a trusted execution environment (TEE). Unlike traditional virtualization, a secure enclave encrypts code and data in memory, decrypting them only inside the CPU itself, so even a compromised hypervisor or host OS cannot access the transaction data during processing. On the Security+ SY0-701 exam, this concept tests your understanding of hardware root of trust and runtime memory protection, often appearing in scenario-based questions about shared cloud environments where the hypervisor is untrusted. A common trap is confusing secure enclaves with virtual TPMs or sandboxing—remember that enclaves protect data in use, not just at rest or in transit. Memory tip: think "enclave equals encrypted execution inside the CPU die."
SY0-701 Security Architecture Practice Question
This SY0-701 practice question tests your understanding of security architecture. 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 security architect is designing a solution to process highly sensitive financial transactions in a shared cloud environment. The architect needs to ensure that the processor and memory used to handle transaction data are isolated from the host operating system and other virtual machines, even if the hypervisor is compromised. Which technology is specifically designed to provide this level of isolation for code and data during runtime?
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
Secure enclave (e.g., Intel SGX)
Secure enclave technology, such as Intel SGX, provides hardware-enforced isolation by creating trusted execution environments (TEEs) within the CPU. Code and data inside an enclave are encrypted in memory and decrypted only within the processor, ensuring that even a compromised hypervisor or host OS cannot access the transaction data during runtime. This meets the requirement for processor and memory isolation in a shared cloud environment.
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.
- ✗
Trusted Platform Module (TPM)
Why it's wrong here
A TPM provides hardware-based secure storage for cryptographic keys and platform attestation, but it does not isolate runtime memory or processes from the OS or hypervisor.
- ✗
Hardware Security Module (HSM)
Why it's wrong here
An HSM is a specialized device for managing cryptographic keys and performing cryptographic operations, but it is not designed to run arbitrary application code in isolated memory enclaves.
- ✓
Secure enclave (e.g., Intel SGX)
Why this is correct
A secure enclave, such as Intel Software Guard Extensions (SGX), creates hardware-enforced encrypted regions of memory that protect code and data from access by the host OS, hypervisor, or other processes, even if those lower layers are compromised.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
UEFI Secure Boot
Why it's wrong here
Secure Boot ensures that only digitally signed boot loaders and operating system kernels are executed during the startup process. It does not provide runtime isolation for applications.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse a TPM or HSM with runtime memory isolation, but those technologies focus on storage and cryptographic operations, not on protecting code and data during active execution in a compromised hypervisor environment.
Detailed technical explanation
How to think about this question
Intel SGX enclaves use memory encryption engines (MEE) to encrypt data in RAM, with decryption keys held only inside the CPU package. The enclave's memory region (EPC) is protected from direct memory access (DMA) attacks by the IOMMU, and even the hypervisor cannot read enclave pages because the CPU enforces access control at the hardware level. In a real-world scenario, a financial transaction processing application running in an SGX enclave on a public cloud can protect sensitive data from a malicious cloud provider or co-tenant VMs.
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 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
Got this wrong? Here's your next step.
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
Questions learners often ask
What does this SY0-701 question test?
Security Architecture — This question tests Security Architecture — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Secure enclave (e.g., Intel SGX) — Secure enclave technology, such as Intel SGX, provides hardware-enforced isolation by creating trusted execution environments (TEEs) within the CPU. Code and data inside an enclave are encrypted in memory and decrypted only within the processor, ensuring that even a compromised hypervisor or host OS cannot access the transaction data during runtime. This meets the requirement for processor and memory isolation in a shared cloud environment.
What should I do if I get this SY0-701 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.
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Last reviewed: Jun 11, 2026
This SY0-701 practice question is part of Courseiva's free CompTIA 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 SY0-701 exam.
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