SDSI Secure Infrastructure Design Practice Question
A network security designer is evaluating email security solutions. Which feature in Cisco Secure Email (ESA) is most effective against sophisticated Business Email Compromise (BEC) attacks?
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
✓
Advanced Phishing Protection
Cisco Secure Email uses Advanced Phishing Protection (APP), which includes AI/ML-driven analysis of communication patterns to detect BEC.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Advanced Phishing Protection
Why this is correct
APP analyzes email behavior and sender identity to prevent BEC.
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URL Filtering
Why it's wrong here
URL filtering stops malicious links, not impersonation-based BEC.
- ✗
Spam Quarantine
Why it's wrong here
Quarantine is for known spam, not sophisticated BEC.
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DKIM Signing
Why it's wrong here
DKIM verifies domain authenticity but does not stop sophisticated BEC content.
About these practice questions
This SDSI question is part of Courseiva's 298-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Cisco exam blueprint
This SDSI 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 SDSI exam.