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.
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
Place guest devices in a separate VLAN or subnet from employee devices.
A separate VLAN or subnet creates a distinct trust zone for guests, which helps keep their traffic isolated from internal corporate systems. It is a standard first step in secure network segmentation and makes later filtering easier.
Best answer
Add ACL or firewall rules that block guest traffic from reaching internal private networks.
Filtering traffic between the guest network and internal networks is essential because segmentation alone does not stop all communication. ACLs or firewall rules enforce the allowed paths and prevent guests from reaching file servers, printers, or other internal resources.
Distractor review
Put guests on the same VLAN as employees and rely on stronger Wi-Fi passwords.
A stronger password does not provide isolation once a guest device is already inside the same broadcast domain. Sharing the employee VLAN increases exposure instead of reducing it.
Distractor review
Disable SSID broadcast so guests cannot discover the network name.
Hiding the SSID is not a meaningful security boundary and does not stop a connected guest from reaching internal resources. It mainly affects convenience, not segmentation.
Distractor review
Allow guest devices to use the same DHCP scope as internal endpoints.
Using the same addressing scope blurs the separation between guest and corporate devices. A secure design keeps the networks and routing controls distinct.
Common exam trap
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Technical deep dive
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
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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?
Authentication checks who the user is.
What is the correct answer to this question?
The correct answer is: Place guest devices in a separate VLAN or subnet from employee devices. — The best approach is to separate guests into their own VLAN or subnet and then enforce traffic restrictions with ACLs or firewall rules. Segmentation limits where guest traffic can move, while filtering controls what it can actually access. Together, these controls support least privilege for network access and reduce the chance that an untrusted device can later reach internal servers or printers. Why others are wrong: Sharing the employee VLAN or the same DHCP scope weakens isolation and increases the attack surface. Hiding the SSID does not provide real access control, so it should not be relied on as a security measure. Password strength alone does not replace segmentation or traffic filtering.
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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