Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A developer reports that a search field returns all customer records when they enter a single quote followed by OR 1=1. Security confirms the web app concatenates user input directly into SQL statements. Which remediation 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
Distractor review
Deploy only a web application firewall and keep the code unchanged.
A WAF can help reduce exposure, but it does not fix the underlying unsafe query construction in the application code.
B
Best answer
Use parameterized queries or prepared statements in the application code.
Parameterized queries separate code from user-supplied data, which prevents injected input from being interpreted as SQL instructions. That directly addresses the flaw described in the scenario and is the most reliable long-term fix. It also scales better than trying to block every malicious pattern with filtering or a perimeter tool. In secure development, fixing the query construction is preferred because it removes the root cause instead of only reducing symptoms at the edge.
C
Distractor review
Store the database password as a salted hash in the application configuration.
Hashing a database password does not prevent the application from building unsafe SQL queries with attacker-controlled input.
D
Distractor review
Disable HTTPS so the request body is easier to inspect by network tools.
Turning off encryption weakens confidentiality and does not stop SQL injection, because the problem exists in server-side query handling.
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: Use parameterized queries or prepared statements in the application code. — Parameterized queries or prepared statements are the best remediation because they ensure user input is treated only as data, not executable SQL. In the scenario, the application directly concatenates input into statements, so the attacker can alter query logic with a crafted string. A WAF may provide temporary filtering, but it cannot reliably solve flawed code. The correct fix is to change how the application constructs database queries so malicious input cannot change the intended command. Why others are wrong: A WAF-only approach is incomplete because attackers can often bypass signature rules, and the application remains vulnerable. Hashing the database password protects credentials at rest but does nothing to stop injection. Disabling HTTPS would reduce transport security and still leave the SQL logic flaw untouched. The issue is server-side input handling, so the remediation must occur in the code path that builds the database query.
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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