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350-701 Practice Question: A company uses Cisco Stealthwatch Cloud for…
A company uses Cisco Stealthwatch Cloud for network visibility in AWS. They notice a spike in encrypted traffic from an EC2 instance to an unknown external IP. Which Stealthwatch Cloud feature can analyze this traffic for threats without decrypting it?
⚠ Common exam trap
Many exam-takers confuse 'Encrypted Traffic Analytics' with 'SSL Decryption' or 'DPI,' assuming that threat analysis of encrypted traffic always requires decryption, when in fact ETA uses metadata and machine learning to bypass that need.
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
✓
Encrypted Traffic Analytics (ETA)
Encrypted Traffic Analytics (ETA) is the correct feature because it uses machine learning and behavioral analysis to inspect metadata (e.g., flow records, packet lengths, timing) of encrypted traffic without decrypting it. This allows Stealthwatch Cloud to detect anomalies like command-and-control communication or data exfiltration even when the payload is encrypted.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
NetFlow generation
Why it's wrong here
NetFlow provides flow records but no encrypted traffic analysis.
- ✓
Encrypted Traffic Analytics (ETA)
Why this is correct
ETA uses ML to analyze encrypted traffic patterns for threats.
- ✗
Deep Packet Inspection (DPI)
Why it's wrong here
DPI requires decryption and violates encryption integrity.
- ✗
SSL Decryption
Why it's wrong here
SSL decryption breaks encryption and may not be allowed.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-701 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 350-701 exam.