Question 633 of 2,152

NetFlow and Flexible NetFlow →mediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is that the router will export NetFlow version 9 records containing IPv4 source and destination addresses, protocol, and packet/byte counts. This is because the predefined record `netflow ipv4 original-input` instructs the flow monitor to capture the standard seven key fields—source IP, destination IP, source port, destination port, protocol, ToS, and input interface—along with essential counters like packets and bytes, all exported via the configured exporter using NetFlow version 9. On the Cisco CCNP ENARSI 300-410 exam, this configuration tests your understanding of how predefined records simplify flow monitoring; a common trap is confusing `original-input` with `original-output`, which would instead capture egress flow data. Remember that `original-input` always refers to the direction of traffic as it enters the interface, not the direction of the exported flow. A helpful memory tip: “Input is Incoming—it captures what hits the interface first.”

300-410 NetFlow and Flexible NetFlow Practice Question

This 300-410 practice question tests your understanding of netflow and flexible netflow. 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.

Consider the following partial configuration on router R2:

flow exporter EXPORTER-1 destination 192.168.1.100 source Loopback0 transport udp 2055 ! flow monitor MONITOR-2 exporter EXPORTER-1 record netflow ipv4 original-input cache timeout active 30 !

interface GigabitEthernet0/2
 ip flow monitor MONITOR-2 input

What is the effect of this configuration?

Question 1mediummultiple choice

Read the full network assurance explanation →

A
The router will export NetFlow version 9 records containing IPv4 source and destination addresses, protocol, and packet/byte counts.
The record 'netflow ipv4 original-input' is a predefined Flexible NetFlow record that matches traditional NetFlow fields (source/destination IP, protocol, etc.) and exports them in NetFlow v9 format.
B
The router will export NetFlow version 5 records because the exporter uses UDP port 2055.
Why wrong: The record type determines the export format; 'netflow ipv4 original-input' uses NetFlow v9, not v5. The UDP port does not dictate the version.
C
The flow monitor will only collect traffic on the input direction of GigabitEthernet0/2, but no export will occur because the exporter is not applied to the monitor.
Why wrong: The exporter is correctly applied under the flow monitor configuration with the 'exporter EXPORTER-1' command.
D
The flow monitor will export flows every 30 seconds only if the flow is idle for that period.
Why wrong: The 'cache timeout active 30' exports active flows every 30 seconds, not idle flows.

Full breakdown with real-world context →

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

✓

The router will export NetFlow version 9 records containing IPv4 source and destination addresses, protocol, and packet/byte counts.

This question tests knowledge of the 'record netflow ipv4 original-input' predefined record and its behavior.

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 router will export NetFlow version 9 records containing IPv4 source and destination addresses, protocol, and packet/byte counts.
Why this is correct
The record 'netflow ipv4 original-input' is a predefined Flexible NetFlow record that matches traditional NetFlow fields (source/destination IP, protocol, etc.) and exports them in NetFlow v9 format.
Related concept
Static NAT maps one inside address to one outside address.
✗
The router will export NetFlow version 5 records because the exporter uses UDP port 2055.
Why it's wrong here
The record type determines the export format; 'netflow ipv4 original-input' uses NetFlow v9, not v5. The UDP port does not dictate the version.
✗
The flow monitor will only collect traffic on the input direction of GigabitEthernet0/2, but no export will occur because the exporter is not applied to the monitor.
Why it's wrong here
The exporter is correctly applied under the flow monitor configuration with the 'exporter EXPORTER-1' command.
✗
The flow monitor will export flows every 30 seconds only if the flow is idle for that period.
Why it's wrong here
The 'cache timeout active 30' exports active flows every 30 seconds, not idle flows.

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
The exporter is correctly applied under the flow monitor configuration with the 'exporter EXPORTER-1' command.

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 300-410 NAT questions on configuration and troubleshooting.

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FAQ

Questions learners often ask

What does this 300-410 question test?

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 router will export NetFlow version 9 records containing IPv4 source and destination addresses, protocol, and packet/byte counts. — This question tests knowledge of the 'record netflow ipv4 original-input' predefined record and its behavior.

What should I do if I get this 300-410 question wrong?

What is the key concept behind this question?

Static NAT maps one inside address to one outside address.

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