The answer is that the exporter is configured to send NetFlow version 9 data with application option data, indicating NBAR integration. This is correct because the show flow exporter output reveals the Export Protocol is set to NetFlow Version 9, and the Option Data Configured section lists application-table, sub-application-table, and application-attributes—these are the specific option templates used by Flexible NetFlow to export application-level metadata from NBAR (Network-Based Application Recognition). On the Cisco CCNP ENARSI 300-410 exam, this scenario tests your ability to distinguish between basic flow export and advanced application-aware export; a common trap is assuming any UDP export to port 2055 is just standard NetFlow, but the presence of option data templates confirms NBAR integration. Remember the memory tip: “Options mean apps”—if you see application-table or application-attributes in the exporter output, you know NBAR is feeding application recognition data into the flow.
300-410 NetFlow and Flexible NetFlow Practice Question
This 300-410 practice question tests your understanding of netflow and flexible netflow. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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.
A network engineer runs the following command to verify NetFlow data export format:
R1# show flow exporter EXPORTER-1
Flow Exporter: EXPORTER-1
Transport Configuration:
Destination IP address: 192.168.1.100
Source IP address: 10.0.0.1
Transport Protocol: UDP
Destination Port: 2055
Source Port: 51234
DSCP: 0x00
TTL: 255
Output Features: Used
Export Protocol: NetFlow Version 9
Template Data Export Timeout: 1800 seconds
Option Data Export Timeout: 1800 seconds
Option Data Configured:
application-table
sub-application-table
application-attributes
The exporter uses TCP to ensure reliable delivery of flow records.
Why wrong: The transport protocol is UDP, not TCP.
B
The exporter is configured to send NetFlow version 9 data with application option data, indicating NBAR integration.
The exporter uses NetFlow v9 and includes option data for application-table, sub-application-table, and application-attributes, which are used with NBAR.
C
The exporter is not sending any option data.
Why wrong: Option data is configured and shown in the output.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The exporter is configured to send NetFlow version 9 data with application option data, indicating NBAR integration.
The output shows the configuration of a Flexible NetFlow exporter. It uses UDP to send NetFlow version 9 data to 192.168.1.100 on port 2055. It also exports option data like application tables and attributes, which are used for NBAR-based application recognition.
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.
✗
The exporter uses TCP to ensure reliable delivery of flow records.
The exporter is configured to send NetFlow version 9 data with application option data, indicating NBAR integration.
Why this is correct
The exporter uses NetFlow v9 and includes option data for application-table, sub-application-table, and application-attributes, which are used with NBAR.
Related concept
Static NAT maps one inside address to one outside address.
✗
The exporter is not sending any option data.
Why it's wrong here
Option data is configured and shown in the output.
✗
The exporter uses a destination port of 514.
Why it's wrong here
The destination port is 2055, not 514.
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.
Trap categories for this question
Command / output trap
Option data is configured and shown in the output.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 300-410 question in full detail.
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 300-410 NAT questions on configuration and troubleshooting.
NetFlow and Flexible NetFlow — This question tests NetFlow and Flexible NetFlow — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: The exporter is configured to send NetFlow version 9 data with application option data, indicating NBAR integration. — The output shows the configuration of a Flexible NetFlow exporter. It uses UDP to send NetFlow version 9 data to 192.168.1.100 on port 2055. It also exports option data like application tables and attributes, which are used for NBAR-based application recognition.
What should I do if I get this 300-410 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 300-410 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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