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300-410 Practice Question: The default transport protocol used by NetFlow…
What is the default transport protocol used by NetFlow exporters on Cisco IOS-XE?
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
✓
UDP
The default transport protocol is UDP, typically on port 2055, though configurable.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
TCP
Why it's wrong here
TCP is not the default; it can be used but requires configuration.
- ✓
UDP
Why this is correct
Correct. NetFlow uses UDP by default.
- ✗
SCTP
Why it's wrong here
SCTP is used in IPFIX but not default for NetFlow.
- ✗
ICMP
Why it's wrong here
ICMP is not used for NetFlow transport.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 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 300-410 exam.