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200-901 Practice Question: Which THREE of the following are common security…
Which THREE of the following are common security vulnerabilities listed in the OWASP Top 10? (Choose three.)
⚠ Common exam trap
Cisco often tests whether candidates can distinguish between actual vulnerabilities (like XSS, Broken Access Control, SQL Injection) and security controls or network-layer attacks, leading them to mistakenly select Multi-Factor Authentication or DNS Cache Poisoning as OWASP Top 10 items.
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
✓
Cross-Site Scripting (XSS)
Cross-Site Scripting (XSS) is a common security vulnerability in the OWASP Top 10 because it allows attackers to inject malicious scripts into web pages viewed by other users, typically through input fields that are not properly sanitized. This can lead to session hijacking, defacement, or redirection to malicious sites, exploiting the trust a user has in a legitimate application.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Cross-Site Scripting (XSS)
Why this is correct
Included in OWASP Top 10 as an injection issue.
- ✓
Broken Access Control
Why this is correct
A top vulnerability according to OWASP.
- ✗
Multi-Factor Authentication
Why it's wrong here
MFA is a security measure, not a vulnerability.
- ✓
SQL Injection
Why this is correct
A classic injection vulnerability in the OWASP Top 10.
- ✗
DNS Cache Poisoning
Why it's wrong here
This is a network attack, not in OWASP Top 10.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 200-901 exam.