- A
They cause the exporter to send interface and application metadata to the collector periodically.
Option data records include interface names, descriptions, and application IDs.
- B
They filter the flow data to include only traffic from the specified interfaces and applications.
Why wrong: Option data does not filter flows; it provides supplementary information.
- C
They enable the exporter to collect interface and application statistics locally.
Why wrong: The exporter sends the data to the collector; it does not store it locally.
- D
They are required only when using IPFIX, not NetFlow v9.
Why wrong: Option data is supported in both NetFlow v9 and IPFIX.
350-401 NetFlow and Telemetry Practice Question
This 350-401 practice question tests your understanding of netflow and telemetry. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Examine the following configuration:
flow exporter EXPORTER-1 destination 10.0.0.1 source Loopback0 transport udp 2055 option interface-table option application-table !
What is the purpose of the 'option interface-table' and 'option application-table' commands?
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
They cause the exporter to send interface and application metadata to the collector periodically.
These commands enable the exporter to send option data records to the collector. Option data provides metadata about the router's interfaces and applications, helping the collector interpret the flow data correctly.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
They cause the exporter to send interface and application metadata to the collector periodically.
- ✗
They filter the flow data to include only traffic from the specified interfaces and applications.
Why it's wrong here
Option data does not filter flows; it provides supplementary information.
- ✗
They enable the exporter to collect interface and application statistics locally.
Why it's wrong here
The exporter sends the data to the collector; it does not store it locally.
- ✗
They are required only when using IPFIX, not NetFlow v9.
Why it's wrong here
Option data is supported in both NetFlow v9 and IPFIX.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 350-401 NAT questions on configuration and troubleshooting.
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FAQ
Questions learners often ask
What does this 350-401 question test?
NetFlow and Telemetry — This question tests NetFlow and Telemetry — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: They cause the exporter to send interface and application metadata to the collector periodically. — These commands enable the exporter to send option data records to the collector. Option data provides metadata about the router's interfaces and applications, helping the collector interpret the flow data correctly.
What should I do if I get this 350-401 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 350-401 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 18, 2026
This 350-401 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 350-401 exam.
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