Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
An organization is placing its public-facing website behind a new security design. The site must be reachable from the internet, but the database and file servers must stay isolated from direct external access. What design should the architect use?
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 the web server on the internal user subnet so it can reach the database directly.
This would expose internal systems more directly and does not create a screened buffer zone.
B
Best answer
Create a demilitarized zone (DMZ) for the public web server.
A DMZ places internet-facing services in a separate network segment, reducing exposure of trusted internal systems.
C
Distractor review
Use a VPN concentrator so the website can be accessed securely from outside.
A VPN is for authenticated remote user access, not for hosting a public web service safely.
D
Distractor review
Use network address translation (NAT) on the web server to hide its IP address.
NAT can hide addressing, but it does not provide a protected buffer network for the service.
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: Create a demilitarized zone (DMZ) for the public web server. — A DMZ is the standard design for services that must be reachable from the internet while remaining separated from the internal trust zone. Public-facing systems such as web servers are placed in this intermediate network, and tighter rules control what they can reach behind the firewall. That way, if the web server is compromised, attackers still face additional barriers before reaching databases or file servers. Why others are wrong: The internal subnet would mix public exposure with trusted systems. A VPN is for remote access by users or administrators, not for publishing a website. NAT can obscure addressing, but it does not create a separate security zone or stop direct access to 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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