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300-410 Practice Question: Is a mandatory field in a Flexible NetFlow flow…
Which of the following is a mandatory field in a Flexible NetFlow flow record for IPv4 traffic?
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
✓
Source IP address
The source IP address is a mandatory field in any IPv4 flow record; other fields like destination port are optional.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Destination port
Why it's wrong here
Destination port is optional; it can be omitted.
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Protocol type
Why it's wrong here
Protocol type is optional; flows can be defined without it.
- ✓
Source IP address
Why this is correct
Correct. The source IP address is mandatory for IPv4 flow records.
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TCP flags
Why it's wrong here
TCP flags are optional and not mandatory.
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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.