SDSI Secure Infrastructure Design Practice Question
Which THREE features of Cisco Secure Email help in mitigating email-based threats? (Select 3)
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
✓
Cisco Threat Grid sandboxing
Cisco Secure Email uses reputation, spam filtering, and sandboxing (Threat Grid) to stop threats.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
DHCP snooping
Why it's wrong here
DHCP snooping is for network layer security.
- ✗
VLAN isolation
Why it's wrong here
VLANs do not protect against email threats.
- ✓
Cisco Threat Grid sandboxing
Why this is correct
Sandboxing analyzes attachments for hidden malware.
- ✓
Outbreak filters
Why this is correct
Outbreak filters provide predictive protection.
- ✓
SenderBase reputation service
Why this is correct
Reputation filtering blocks known bad senders.
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.