Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
After a new search feature goes live, logs show requests containing `UNION SELECT` and the application returns database error messages. Security testing confirms attackers can retrieve rows from other tables by modifying the query string. Which fix is best?
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
Best answer
Rewrite the database access layer to use parameterized queries or prepared statements.
Parameterized queries separate user input from SQL code, which prevents attacker-controlled strings from changing the query structure. That directly addresses the injection flaw rather than only hiding symptoms. Because the app is already returning database errors and leaking data, the safest fix is to eliminate dynamic SQL construction at the source of the problem.
B
Distractor review
Encode special characters in the browser before submitting the search form.
Client-side encoding can be bypassed and does not protect the server if unsafe query construction still exists.
C
Distractor review
Disable detailed error messages so attackers cannot see the database name.
Hiding errors reduces information leakage, but it does not stop SQL injection or unauthorized data access.
D
Distractor review
Increase password complexity requirements for all application users.
Stronger passwords help account security, but they do not correct the input validation and query construction failure.
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: Rewrite the database access layer to use parameterized queries or prepared statements. — Parameterized queries or prepared statements are the best fix because they prevent user input from being interpreted as SQL syntax. The scenario shows a classic injection path: attacker-supplied query fragments are changing the database command and extracting unauthorized rows. Addressing the query construction itself is far more effective than trying to hide errors or sanitize only on the client side. Why others are wrong: Browser-side encoding can be bypassed and does not protect the server-side query engine. Disabling errors may reduce clues for attackers, but the injection still works and data can still be exposed. Password complexity is unrelated to the application’s input handling issue and would not stop the exploitation path described in the logs.
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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