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.
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
Best answer
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.
Distractor review
Allow guests on the same VLAN as employee devices for simpler routing.
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.
Best answer
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.
Distractor review
Enable WPA2-Enterprise on employee wireless only, and reuse that on guest devices.
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.
Distractor review
Put printers on the guest VLAN so guests can print directly.
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 trap
Common exam trap: an active trunk can still block the VLAN you need
A trunk being up does not prove every VLAN is crossing it. Check allowed VLAN lists, native VLAN mismatch, VLAN existence and access-port assignment.
Technical deep dive
How to think about this question
VLAN questions usually combine access-port and trunking clues. The key is to identify whether the issue is local to one switchport, caused by the trunk, or caused by the VLAN not existing where it needs to exist.
KKey Concepts to Remember
- Access ports place end devices into a single VLAN.
- Trunk ports carry multiple VLANs between switches.
- Allowed VLAN lists decide which VLANs can cross a trunk.
- Native VLAN mismatch can create confusing symptoms.
TExam Day Tips
- Use show vlan brief to verify access VLANs.
- Use show interfaces trunk to verify trunk state and allowed VLANs.
- Do not treat every same-VLAN issue as a routing problem.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A laptop is suspected of being used in a malware incident. It is still powered on and connected to Wi-Fi. What should the responder do before shutting it down?
Question 2
An employee reports a ransomware note on a file server. The server is still powered on, shares are still being accessed, and management wants service restored as quickly as possible. What should the incident response team do first?
Question 3
An employee reports a ransomware note on a finance laptop. The laptop is still powered on, connected to Wi-Fi, and the user says they were just working in a spreadsheet. Management wants the fastest safe response that also preserves evidence. What should the responder do first?
Question 4
You are handed a company laptop suspected in an insider theft case. Legal says the evidence may be needed in court. Which action best preserves admissibility?
Question 5
A developer wants to reduce the risk of SQL injection in a new customer search form. Which two changes are the best mitigations? Select two.
Question 6
A branch office uses a flat LAN, and a compromise on one user workstation could spread quickly to finance systems. Management wants finance workstations isolated from general users, but finance staff still need access to a central finance application and network printer. What is the best design change?
FAQ
Questions learners often ask
What does this SY0-701 question test?
Access ports place end devices into a single VLAN.
What is the correct answer to this question?
The correct answer is: Assign guest access points to a separate VLAN with its own subnet. — The best choices are the separate guest VLAN and the firewall rules that block guest traffic to internal private networks. Together, those controls create a clear boundary around untrusted wireless clients while still letting them reach the internet. Segmentation reduces the chance that a guest device can laterally move into employee systems or printers, and the firewall enforces the policy even if routing exists. Why others are wrong: Sharing the employee VLAN or placing printers on the guest VLAN defeats isolation. Reusing WPA2-Enterprise on guests does not solve segmentation by itself, and it can create unnecessary complexity without addressing the core requirement. The goal is not just authentication; it is limiting what the guest network can access after connection.
What should I do if I get this SY0-701 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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