Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
An organization is redesigning its office network. Guest Wi-Fi must reach the internet only, employee laptops need access to internal apps, and a payment-processing system must be separated from general user traffic but still reach one database server. Which design best meets these requirements?
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.
A
Distractor review
Place all devices on one flat network and rely on host firewalls for isolation.
A flat network can work temporarily, but it expands the blast radius and weakens isolation.
B
Best answer
Create separate VLANs or subnets for guest, user, and payment zones, then filter inter-zone traffic with firewalls or ACLs.
Separate zones with internal filtering limit lateral movement and allow only required flows.
C
Distractor review
Put the payment system in a DMZ and allow direct internet access for database synchronization.
A DMZ is for exposed services, not for systems that should remain internal and restricted.
D
Distractor review
Use NAT on every endpoint so internal devices cannot be individually identified on the network.
NAT hides addresses, but it does not provide meaningful segmentation or access control.
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: Create separate VLANs or subnets for guest, user, and payment zones, then filter inter-zone traffic with firewalls or ACLs. — The best design is to segment the network into separate security zones and control traffic between them. Guest devices should be isolated from internal resources, employee systems should reach approved internal services, and the payment environment should have a tighter boundary with only the database traffic explicitly allowed. VLANs or subnets plus internal firewalls or ACLs provide that control without flattening the entire environment. Why others are wrong: A flat network makes containment harder and allows unnecessary lateral movement. A DMZ is meant for internet-facing services, so placing the payment system there would increase exposure rather than reduce it. NAT only changes address visibility; it does not enforce who can talk to whom. The key requirement is zoning with explicit traffic filtering, not simple address translation or host-level controls.
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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