Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A web application lets users save a profile "display name." One employee enters a value that contains script code, and later other users who view that profile start seeing pop-ups and redirects to a fake login page. Which attack is most likely occurring?
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
SQL injection, because the database is being queried with unsafe concatenated input.
SQL injection targets backend database queries and would usually affect data access, not script execution in another user's browser.
B
Best answer
Cross-site scripting, because untrusted content is executed in another user's browser context.
Cross-site scripting occurs when attacker-supplied input is rendered as active script, allowing redirects, pop-ups, and credential theft in other users' sessions.
C
Distractor review
Cross-site request forgery, because the attacker is forcing the victim to submit a form automatically.
CSRF abuses an authenticated user's browser to send unauthorized requests, but it does not rely on injected script being displayed to others.
D
Distractor review
Broken authentication, because the login system is failing to verify usernames correctly.
Broken authentication would involve weak login handling or credential validation issues, not script execution caused by stored profile content.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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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?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Cross-site scripting, because untrusted content is executed in another user's browser context. — This is cross-site scripting. The attacker placed script content into a field that is later viewed by other users, causing code to execute in their browsers. The resulting pop-ups and fake login redirects are common XSS outcomes because the malicious script runs in the trust context of the application. Stored XSS is especially dangerous in profile or comment features that render user input back to many viewers. Why others are wrong: SQL injection would target database queries rather than execute browser-side code. CSRF triggers unwanted actions but does not require injected script content to appear in a page. Broken authentication is about login and session validation problems; here, the core issue is unsafe rendering of user-supplied data in the web page.
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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