- A
Place all systems on one flat network and rely on antivirus.
Why wrong: This keeps devices in the same trust zone, which increases lateral movement risk.
- B
Use separate network segments with firewall rules between guest, employee, and payment zones.
This is the best choice because segmentation limits what each group can reach and reduces the impact of a compromise. Guest users are confined to internet access, employee systems can be limited to approved internal services, and payment servers can be placed in a tightly controlled zone with only required ports open. That design supports least privilege at the network layer and makes monitoring and containment easier.
- C
Put all systems behind a single VPN so every device is treated the same.
Why wrong: A VPN does not separate traffic by trust level once inside the network.
- D
Use a larger internet circuit so the payment servers are harder to attack.
Why wrong: More bandwidth does not create isolation or enforce access restrictions between network groups.
Quick Answer
The answer is to use separate network segments with firewall rules between guest, employee, and payment zones. This design is correct because network segmentation with VLANs and firewall isolation enforces strict traffic control: guest Wi-Fi is restricted to internet-only access, employee laptops reach internal apps, and payment servers remain completely isolated from both, adhering to the principle of least privilege. On the Security+ SY0-701 exam, this scenario tests your understanding of how VLANs create logical separation at Layer 2 while firewalls enforce policy at Layer 3/4, a common domain 3 objective. A frequent trap is assuming a single firewall or a single VLAN can handle all three zones without proper rule sets—segmentation requires both logical separation and explicit deny-by-default rules. Memory tip: think “three zones, three rules—guest out, employee in, payment no.”
SY0-701 Security Architecture Practice Question
This SY0-701 practice question tests your understanding of security architecture. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 guest Wi-Fi to reach only the internet, employee laptops to reach internal apps, and payment servers to remain isolated from both. What is the best design approach?
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
Use separate network segments with firewall rules between guest, employee, and payment zones.
Option B is correct because network segmentation using separate VLANs or subnets with firewall rules enforces isolation between guest Wi-Fi, employee laptops, and payment servers. This design ensures that guest traffic can only reach the internet, employee traffic can access internal apps, and payment servers are completely isolated from both, meeting the principle of least privilege and 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.
- ✗
Place all systems on one flat network and rely on antivirus.
Why it's wrong here
This keeps devices in the same trust zone, which increases lateral movement risk.
- ✓
Use separate network segments with firewall rules between guest, employee, and payment zones.
Why this is correct
This is the best choice because segmentation limits what each group can reach and reduces the impact of a compromise. Guest users are confined to internet access, employee systems can be limited to approved internal services, and payment servers can be placed in a tightly controlled zone with only required ports open. That design supports least privilege at the network layer and makes monitoring and containment easier.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Put all systems behind a single VPN so every device is treated the same.
Why it's wrong here
A VPN does not separate traffic by trust level once inside the network.
- ✗
Use a larger internet circuit so the payment servers are harder to attack.
Why it's wrong here
More bandwidth does not create isolation or enforce access restrictions between network groups.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think a VPN provides isolation, but a VPN only encrypts traffic and does not inherently segment networks; without separate firewall rules, all VPN clients share the same network access.
Detailed technical explanation
How to think about this question
Network segmentation is typically implemented using VLANs (IEEE 802.1Q) and ACLs on Layer 3 switches or firewalls. For example, guest traffic might be assigned to VLAN 10 with a default route to the internet only, employee traffic to VLAN 20 with routes to internal app servers, and payment servers to VLAN 30 with no routes to or from other VLANs except via a jump box. In real-world PCI DSS compliance, payment card data environments must be isolated from other networks to meet Requirement 1, which mandates firewall restrictions between the CDE and untrusted networks.
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.
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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: Use separate network segments with firewall rules between guest, employee, and payment zones. — Option B is correct because network segmentation using separate VLANs or subnets with firewall rules enforces isolation between guest Wi-Fi, employee laptops, and payment servers. This design ensures that guest traffic can only reach the internet, employee traffic can access internal apps, and payment servers are completely isolated from both, meeting the principle of least privilege and 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.
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 →
Same concept, more angles
2 more ways this is tested on SY0-701
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company wants guest laptops on Wi-Fi to reach the internet, but not internal file servers or printers. Which two changes best support that design? Select two.
easy- ✓ A.Place guest devices in a separate VLAN or subnet from employee devices.
- ✓ B.Add ACL or firewall rules that block guest traffic from reaching internal private networks.
- C.Put guests on the same VLAN as employees and rely on stronger Wi-Fi passwords.
- D.Disable SSID broadcast so guests cannot discover the network name.
- E.Allow guest devices to use the same DHCP scope as internal endpoints.
Why A: Placing guest devices in a separate VLAN or subnet (Option A) is a fundamental network segmentation technique that isolates guest traffic from the internal corporate network at Layer 2 and Layer 3. This ensures that guest laptops cannot directly communicate with internal file servers or printers unless explicitly routed, and it allows the administrator to apply distinct security policies to the guest subnet.
Variation 2. A company is implementing network segmentation to isolate the guest wireless network from the internal corporate network. Which of the following technologies is most appropriate to enforce this separation at Layer 2?
medium- ✓ A.VLANs
- B.ACLs
- C.DMZ
- D.VPN
Why A: VLANs (Virtual Local Area Networks) are the correct technology because they operate at Layer 2 (Data Link layer) of the OSI model, allowing network administrators to logically segment a physical switch into multiple isolated broadcast domains. By assigning the guest wireless network to a separate VLAN (e.g., VLAN 100) and the internal corporate network to another (e.g., VLAN 10), traffic between them is blocked at Layer 2 unless explicitly routed through a Layer 3 device with appropriate firewall rules. This directly enforces separation without requiring additional hardware, making VLANs the most appropriate and efficient choice for isolating guest traffic at Layer 2.
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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