350-701 Security Concepts Practice Question
An organization is experiencing repeated SQL injection attacks. A security analyst is tasked with recommending mitigations. Which THREE actions are most effective in preventing SQL injection? (Choose three.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use prepared statements with parameterized queries
Prepared statements/parameterized queries prevent SQL injection by separating code from data. Input validation and stored procedures (if properly parameterized) also help. WAFs can detect and block SQLi attempts. Disabling error messages prevents information leakage.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use prepared statements with parameterized queries
Why this is correct
This is the most effective defense against SQL injection.
- ✗
Disable detailed database error messages in production
Why it's wrong here
While good practice, it does not prevent injection; it only hides error details.
- ✓
Use a web application firewall (WAF) to filter malicious requests
Why this is correct
WAF can detect and block SQL injection patterns.
- ✓
Implement strict input validation on all user inputs
Why this is correct
Input validation helps reject malicious payloads.
- ✗
Enforce strong password policies for database accounts
Why it's wrong here
Password policy does not prevent SQL injection.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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