Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
The web team is placing a public customer portal behind a control that can inspect HTTP requests, block malicious payloads such as SQL injection and cross-site scripting, and still allow legitimate application traffic without rewriting the app. Which control should they deploy?
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
An IDS placed on the same network segment as the web server.
An IDS can alert on suspicious traffic, but it generally does not block malicious web requests inline.
B
Distractor review
A DLP appliance between users and the portal.
DLP is designed to prevent sensitive data leakage, not to inspect and block application-layer injection attacks.
C
Best answer
A WAF in front of the application.
A web application firewall is built to inspect HTTP and HTTPS traffic at the application layer and block common web attacks such as SQL injection and XSS. It can protect a public portal without requiring code changes, making it a practical compensating control while the application team improves secure coding. This is the best fit when the goal is to stop malicious web payloads before they reach the app.
D
Distractor review
A NAC solution on the switch ports feeding the portal.
NAC controls device access to the network, but it does not inspect web request content for injection attempts.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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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?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: A WAF in front of the application. — A WAF is purpose-built for this scenario. It understands HTTP semantics, can evaluate request parameters, and can block malicious payloads such as SQL injection and cross-site scripting before they reach the application. Unlike a network IDS, it is designed to make inline allow-or-block decisions. It also avoids the need to modify the portal code immediately, which is useful when the business needs protection now and the development fix will take longer. Why others are wrong: An IDS can detect suspicious traffic but is not the best inline blocking control. DLP focuses on data leakage, not hostile web requests. NAC controls who and what can join the network, but it does not analyze HTTP payloads for injection or script content.
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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