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300-410 Practice Question: Which NetFlow version introduced the concept of…
Which NetFlow version introduced the concept of templates to support variable-length flow records?
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
✓
NetFlow version 9
NetFlow version 9 introduced templates, allowing flexible and extensible flow record formats.
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 version 5
Why it's wrong here
Version 5 uses fixed-length records and does not support templates.
- ✓
NetFlow version 9
Why this is correct
Correct. Version 9 introduced template-based flow records.
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NetFlow version 8
Why it's wrong here
Version 8 is an aggregation scheme, not template-based.
- ✗
NetFlow version 10 (IPFIX)
Why it's wrong here
IPFIX is based on version 9 but standardized by IETF; version 9 was the first with templates.
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