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200-201 Practice Question: Which TWO types of network traffic should be…
Which TWO types of network traffic should be analyzed to detect a data exfiltration attempt via HTTP? (Choose two.)
⚠ Common exam trap
Cisco often tests the distinction between layers of the OSI model, trapping candidates who confuse transport-layer handshakes (TCP) or network-layer diagnostics (ICMP) with application-layer HTTP traffic analysis.
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
✓
HTTP request headers
HTTP request headers contain metadata such as User-Agent, Content-Type, and custom headers that can be manipulated to encode and exfiltrate data. The HTTP request body carries the payload, such as POST data, where stolen information can be embedded in form fields, JSON, or XML. Analyzing both allows detection of anomalous patterns indicative of data exfiltration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
ICMP echo requests
Why it's wrong here
ICMP is not HTTP.
- ✓
HTTP request headers
Why this is correct
Headers may reveal suspicious patterns like custom user-agents.
- ✓
HTTP request body
Why this is correct
The body may contain data being exfiltrated.
- ✗
DNS query responses
Why it's wrong here
DNS is a separate protocol.
- ✗
TCP three-way handshake
Why it's wrong here
The handshake is normal for any TCP connection.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-201 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 200-201 exam.