Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
A help desk team wants guest Wi-Fi users to access only the internet and nothing on the internal corporate network. Which control should the network team implement at the wireless edge?
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
A single shared password for all guest users
A shared password may authenticate users, but it does not restrict where their traffic can go.
B
Best answer
An ACL or firewall rule set that blocks guest network access to internal subnets
An ACL or firewall rule can explicitly allow internet access while denying routing to internal ranges.
C
Distractor review
A stronger DNS server
Better DNS does not enforce isolation between guest devices and internal corporate systems.
D
Distractor review
A longer Wi-Fi passphrase rotated monthly
Password rotation affects authentication, not network reachability after a device connects.
Common exam trap
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Technical deep dive
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
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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?
CIDR notation defines the prefix length.
What is the correct answer to this question?
The correct answer is: An ACL or firewall rule set that blocks guest network access to internal subnets — An access control list or firewall rule set is the best choice because it can restrict guest traffic to internet destinations and block private internal subnets. In a secure design, segmentation controls should enforce the intended trust boundary, not just rely on a password. This is a common way to separate guest, employee, and internal resources while keeping guest access functional. Why others are wrong: A shared password only controls access to the SSID. DNS does not isolate internal systems from guest users. A longer passphrase improves authentication strength somewhat, but it does not prevent a connected guest device from attempting to reach internal resources.
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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