The answer is that this output confirms the Flexible NetFlow record FLOW-RECORD-1 is configured to match on source IP, destination IP, and protocol, while collecting byte and packet counters along with first and last packet timestamps. This is correct because the show flow record command displays the exact match and collect fields defined within the record; the match statements specify which packet attributes define a unique flow, while the collect statements determine what metadata is gathered for each flow. On the Cisco CCNP ENARSI 300-410 exam, this question tests your ability to interpret Flexible NetFlow record configuration output, a common topic in the network assurance and automation section. A frequent trap is confusing match fields (which create flow keys) with collect fields (which are non-key data); here, the three match lines are the keys that aggregate flows, while the collect lines are supplementary counters and timestamps. Memory tip: think of match as “what makes a flow unique” and collect as “what you want to know about that 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 Flexible NetFlow record configuration:
R1# show flow record FLOW-RECORD-1
flow record FLOW-RECORD-1
match ipv4 source address
match ipv4 destination address
match ip protocol
collect counter bytes
collect counter packets
collect timestamp sys-uptime first
collect timestamp sys-uptime last
What does this output indicate?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
The record collects only packet counts, not byte counts.
Why wrong: The record collects both counter bytes and counter packets.
B
The record matches on source and destination IP addresses and protocol, and collects byte/packet counters and timestamps.
The output clearly shows match statements for ipv4 source address, destination address, and protocol, and collect statements for bytes, packets, and timestamps.
C
The record does not include any timestamp information.
Why wrong: The record collects both first and last packet timestamps.
D
The record matches on TCP flags.
Why wrong: There is no match for TCP flags in this record.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The record matches on source and destination IP addresses and protocol, and collects byte/packet counters and timestamps.
The output shows the definition of a Flexible NetFlow record. It matches on source IP, destination IP, and protocol, and collects byte and packet counters along with timestamps for the first and last packet of the flow.
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 record collects only packet counts, not byte counts.
Why it's wrong here
The record collects both counter bytes and counter packets.
✓
The record matches on source and destination IP addresses and protocol, and collects byte/packet counters and timestamps.
Why this is correct
The output clearly shows match statements for ipv4 source address, destination address, and protocol, and collect statements for bytes, packets, and timestamps.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
The record does not include any timestamp information.
Why it's wrong here
The record collects both first and last packet timestamps.
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.
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 record matches on source and destination IP addresses and protocol, and collects byte/packet counters and timestamps. — The output shows the definition of a Flexible NetFlow record. It matches on source IP, destination IP, and protocol, and collects byte and packet counters along with timestamps for the first and last packet of the flow.
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.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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