- A
Assign guest access points to a separate VLAN with its own subnet.
A separate VLAN and subnet keep guest devices logically isolated from corporate systems. This is a common first step in segmentation because it limits what guest traffic can reach and makes firewall policy easier to enforce.
- B
Allow guests on the same VLAN as employee devices for simpler routing.
Why wrong: Putting guests on the same VLAN as employees removes separation and makes internal resources easier to reach. It may be convenient, but it weakens the design goal of limiting access.
- C
Use firewall rules to deny guest traffic to internal RFC1918 address ranges.
Firewall rules can block guest traffic from reaching internal private subnets while still allowing internet access. This is an effective control because it enforces the boundary after traffic leaves the guest network.
- D
Enable WPA2-Enterprise on employee wireless only, and reuse that on guest devices.
Why wrong: WPA2-Enterprise is a strong access method, but reusing the same approach for guests does not by itself enforce isolation. The key need here is separating and restricting guest network access.
- E
Put printers on the guest VLAN so guests can print directly.
Why wrong: Placing printers on the guest VLAN would expose internal devices to untrusted users. That increases risk instead of protecting the corporate network and does not satisfy the access restriction.
Quick Answer
The answer is to assign guest access points to a separate VLAN with its own subnet and use firewall rules to deny guest traffic to internal RFC1918 address ranges. This combination works because the VLAN isolates guest traffic at Layer 2, preventing direct communication with internal devices like printers and servers, while the ACL or firewall rules enforce the policy at Layer 3 by blocking any guest attempts to reach private IP ranges. On the Security+ SY0-701 exam, this tests your understanding of network segmentation and access control—a common trap is thinking a VLAN alone is sufficient, but you must also block inter-VLAN routing via ACLs or firewall rules. A useful memory tip is “VLAN for isolation, ACL for prohibition”: the VLAN keeps them apart, and the ACL stops them from crossing.
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. A key principle to apply: vLANs logically segment networks without requiring separate physical hardware.. 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 laptops on Wi-Fi to reach the internet but not internal printers or servers. Which two changes best support this design? 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
Assign guest access points to a separate VLAN with its own subnet.
Assigning guest access points to a separate VLAN with its own subnet isolates guest traffic at Layer 2, preventing direct communication with internal devices like printers and servers. This segmentation is a foundational step for enforcing access control policies without relying solely on higher-layer filtering.
Key principle: VLANs logically segment networks without requiring separate physical hardware.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Assign guest access points to a separate VLAN with its own subnet.
Why this is correct
A separate VLAN and subnet keep guest devices logically isolated from corporate systems. This is a common first step in segmentation because it limits what guest traffic can reach and makes firewall policy easier to enforce.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
VLANs logically segment networks without requiring separate physical hardware.
- ✗
Allow guests on the same VLAN as employee devices for simpler routing.
Why it's wrong here
Putting guests on the same VLAN as employees removes separation and makes internal resources easier to reach. It may be convenient, but it weakens the design goal of limiting access.
- ✓
Use firewall rules to deny guest traffic to internal RFC1918 address ranges.
Why this is correct
Firewall rules can block guest traffic from reaching internal private subnets while still allowing internet access. This is an effective control because it enforces the boundary after traffic leaves the guest network.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
VLANs logically segment networks without requiring separate physical hardware.
- ✗
Enable WPA2-Enterprise on employee wireless only, and reuse that on guest devices.
Why it's wrong here
WPA2-Enterprise is a strong access method, but reusing the same approach for guests does not by itself enforce isolation. The key need here is separating and restricting guest network access.
- ✗
Put printers on the guest VLAN so guests can print directly.
Why it's wrong here
Placing printers on the guest VLAN would expose internal devices to untrusted users. That increases risk instead of protecting the corporate network and does not satisfy the access restriction.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often think VLAN separation alone is sufficient, forgetting that a Layer 3 gateway (router/firewall) can still route between VLANs unless explicit ACLs or firewall rules block RFC1918 destinations.
Detailed technical explanation
How to think about this question
Under the hood, VLANs create separate broadcast domains using 802.1Q tagging, ensuring guest traffic never reaches internal switch ports unless explicitly routed. Firewall rules then inspect traffic at Layer 3/4; denying RFC1918 destinations is effective because internal networks almost always use these private IP ranges, while guest internet traffic targets public IPs. In real-world deployments, this combination prevents guests from discovering internal hosts via ARP or NetBIOS and blocks any accidental or malicious attempts to reach internal subnets.
KKey Concepts to Remember
- VLANs logically segment networks without requiring separate physical hardware.
- Separate subnets reinforce VLAN isolation by assigning distinct IP address ranges.
- Firewall rules are easily applied between different VLANs to control traffic flow.
- Guest VLANs prevent untrusted devices from directly accessing internal corporate resources.
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
VLANs logically segment networks without requiring separate physical hardware.
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. VLANs logically segment networks without requiring separate physical hardware. 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.
Review vLANs logically segment networks without requiring separate physical hardware., then practise related SY0-701 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this SY0-701 question test?
Security Architecture — This question tests Security Architecture — VLANs logically segment networks without requiring separate physical hardware..
What is the correct answer to this question?
The correct answer is: Assign guest access points to a separate VLAN with its own subnet. — Assigning guest access points to a separate VLAN with its own subnet isolates guest traffic at Layer 2, preventing direct communication with internal devices like printers and servers. This segmentation is a foundational step for enforcing access control policies without relying solely on higher-layer filtering.
What should I do if I get this SY0-701 question wrong?
Review vLANs logically segment networks without requiring separate physical hardware., then practise related SY0-701 questions on the same topic to reinforce the concept.
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?
VLANs logically segment networks without requiring separate physical hardware.
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
1 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. Guest tablets in a conference room use the same physical switches as employee devices. The security team wants guests to have internet access only, with no route to internal subnets. Which design best meets the goal?
easy- A.Keep guests on the same VLAN and rely on a separate Wi-Fi password.
- ✓ B.Place guests on a separate VLAN and block internal access with ACLs.
- C.Use stronger WPA3 encryption on the wireless network and leave the network flat.
- D.Enable MAC address filtering on the switch and allow all ports to remain in the default network.
Why B: Option B is correct because placing guest tablets on a separate VLAN segments traffic at Layer 2, and applying ACLs on the Layer 3 interface (SVI or router) blocks all routes to internal subnets while permitting internet access. This design ensures that even though guests share the same physical switches, their traffic is isolated from employee VLANs and cannot reach internal resources.
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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