- A
Isolate the scanners and kiosk terminal on a dedicated VLAN that allows only the required backend ports.
A dedicated VLAN reduces exposure to user traffic and limits what the devices can reach if one is compromised. Allowing only the required backend ports enforces a narrow communication path and supports least privilege at the network layer. This is a practical compensating control for constrained endpoints that cannot run full enterprise security agents.
- B
Place the devices on the user VLAN so patching and support tools can reach them easily.
Why wrong: Putting constrained devices on the user VLAN increases exposure to unrelated systems and makes lateral movement easier. Convenience for support does not justify broader trust when the devices have known limitations. A separate segment with narrow access rules is more appropriate for production-floor endpoints.
- C
Enforce kiosk mode or application allowlisting so only the approved application can run.
Kiosk mode and application allowlisting limit execution to the intended workflow, which is especially important when the endpoint cannot support robust traditional security tooling. This reduces malware execution risk and blocks users from launching unauthorized software or scripts. It also helps preserve a stable, predictable device posture.
- D
Allow USB storage so updates can be installed manually whenever needed.
Why wrong: Allowing removable media reintroduces the exact infection path described in the scenario. Even if updates are sometimes needed, unrestricted USB use is not a safe default. A controlled update process or signed package workflow is better than permitting arbitrary removable devices.
- E
Use local administrator accounts with shared passwords to reduce support calls.
Why wrong: Shared local administrator passwords weaken accountability, make credential theft more damaging, and violate least privilege principles. They also create a persistence path for malware or insiders. Support efficiency is not a valid reason to sacrifice identity traceability and privilege control on production devices.
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 manufacturing floor uses barcode scanners and a kiosk terminal that cannot support full endpoint agents or frequent manual patching. USB storage has previously introduced malware, and the devices only need to run one approved application and reach a backend system. Which two controls best reduce risk while preserving function? Select two.
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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
Isolate the scanners and kiosk terminal on a dedicated VLAN that allows only the required backend ports.
Option A is correct because isolating the barcode scanners and kiosk terminal on a dedicated VLAN with strict ACLs that permit only the required backend ports (e.g., TCP 443 for HTTPS or a specific application port) prevents lateral movement from infected devices and blocks unauthorized traffic, including USB-borne malware propagation. This network segmentation does not require endpoint agents or patching, preserving the devices' limited functionality while reducing the attack surface.
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.
- ✓
Isolate the scanners and kiosk terminal on a dedicated VLAN that allows only the required backend ports.
Why this is correct
A dedicated VLAN reduces exposure to user traffic and limits what the devices can reach if one is compromised. Allowing only the required backend ports enforces a narrow communication path and supports least privilege at the network layer. This is a practical compensating control for constrained endpoints that cannot run full enterprise security agents.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Place the devices on the user VLAN so patching and support tools can reach them easily.
Why it's wrong here
Putting constrained devices on the user VLAN increases exposure to unrelated systems and makes lateral movement easier. Convenience for support does not justify broader trust when the devices have known limitations. A separate segment with narrow access rules is more appropriate for production-floor endpoints.
- ✓
Enforce kiosk mode or application allowlisting so only the approved application can run.
Why this is correct
Kiosk mode and application allowlisting limit execution to the intended workflow, which is especially important when the endpoint cannot support robust traditional security tooling. This reduces malware execution risk and blocks users from launching unauthorized software or scripts. It also helps preserve a stable, predictable device posture.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Allow USB storage so updates can be installed manually whenever needed.
Why it's wrong here
Allowing removable media reintroduces the exact infection path described in the scenario. Even if updates are sometimes needed, unrestricted USB use is not a safe default. A controlled update process or signed package workflow is better than permitting arbitrary removable devices.
- ✗
Use local administrator accounts with shared passwords to reduce support calls.
Why it's wrong here
Shared local administrator passwords weaken accountability, make credential theft more damaging, and violate least privilege principles. They also create a persistence path for malware or insiders. Support efficiency is not a valid reason to sacrifice identity traceability and privilege control on production devices.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often select 'Place the devices on the user VLAN' (Option B) thinking it simplifies management, but the exam expects you to recognize that unpatched, agentless devices must be isolated to prevent them from becoming a pivot point for lateral attacks.
Trap categories for this question
Scenario analysis trap
Allowing removable media reintroduces the exact infection path described in the scenario. Even if updates are sometimes needed, unrestricted USB use is not a safe default. A controlled update process or signed package workflow is better than permitting arbitrary removable devices.
Detailed technical explanation
How to think about this question
VLAN segmentation combined with ACLs at the switch or firewall level (e.g., using 802.1Q tagging and access-control entries that permit only specific destination IPs and ports) effectively creates a micro-perimeter. Application allowlisting (Option C) enforces execution control via Windows AppLocker or Linux fapolicyd, blocking any unapproved binary, script, or installer—including USB-delivered malware—without requiring agent updates. In real-world manufacturing, this dual approach (network isolation + allowlisting) is recommended by NIST SP 800-82 for ICS/OT environments where legacy devices cannot be patched.
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 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
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: Isolate the scanners and kiosk terminal on a dedicated VLAN that allows only the required backend ports. — Option A is correct because isolating the barcode scanners and kiosk terminal on a dedicated VLAN with strict ACLs that permit only the required backend ports (e.g., TCP 443 for HTTPS or a specific application port) prevents lateral movement from infected devices and blocks unauthorized traffic, including USB-borne malware propagation. This network segmentation does not require endpoint agents or patching, preserving the devices' limited functionality while reducing the attack surface.
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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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
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