Question 1hardmulti select
Full question →hardmulti selectObjective-mapped
Exhibit
Router(config)# ip flow-export destination 192.0.2.50 2055 Router(config)# ip flow-export version 9
Exhibit: A company wants to export traffic statistics from routers to a collector for visibility into top talkers and application usage. Which two statements are accurate?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
NetFlow can export flow data to a collector
That is exactly what it is for.
B
Best answer
NetFlow helps identify traffic patterns and top talkers
It provides visibility into who is talking to whom and how much.
C
Distractor review
Syslog and NetFlow are the same feature with different names
They solve different operational needs.
D
Distractor review
NetFlow replaces routing protocols for path selection
It is observational, not a control-plane routing mechanism.
E
Distractor review
NetFlow only works on Layer 2 switches and never on routers
Routers commonly support it.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A frequent exam trap is mistaking NetFlow for syslog or routing protocols. Candidates might incorrectly believe syslog provides traffic flow data or that NetFlow replaces routing functions. However, syslog only logs event messages and does not export flow statistics, while routing protocols determine path selection but do not monitor traffic flows. Misunderstanding these distinctions can lead to selecting incorrect answers that confuse monitoring with control-plane functions.
Technical deep dive
How to think about this question
NetFlow is a Cisco-developed network protocol designed to collect IP traffic information as it enters or exits an interface. It aggregates packets into flows based on key attributes like source and destination IP addresses, ports, and protocol type, then exports these flow records to a centralized collector for analysis. This capability enables network administrators to gain detailed visibility into traffic patterns, bandwidth usage, and application behavior across their routed networks. In the CCNA context, NetFlow is essential for IP Services because it provides granular traffic statistics that help identify top talkers and application usage without impacting routing decisions. Unlike routing protocols that determine path selection, NetFlow passively monitors traffic flows and exports summarized data to collectors for reporting and troubleshooting. This separation of concerns ensures that NetFlow complements routing functions by enhancing network visibility rather than altering forwarding behavior. A common exam trap is confusing NetFlow with other network features like syslog or routing protocols. Syslog only logs event messages and does not provide flow-level traffic data, while routing protocols influence path selection but do not export traffic statistics. Practically, NetFlow is widely supported on Cisco routers and Layer 3 switches, making it a versatile tool for network monitoring and capacity planning, especially in environments requiring detailed traffic accounting and security analysis.
KKey Concepts to Remember
- NetFlow collects and exports detailed IP traffic flow data from routers to a centralized collector for network visibility and analysis.
- NetFlow identifies top talkers by aggregating traffic flows based on source and destination IP addresses, ports, and protocols.
- NetFlow operates independently of routing protocols and does not influence path selection or forwarding decisions.
- Syslog records system events and messages but does not provide granular traffic flow statistics like NetFlow.
- Routers commonly support NetFlow, enabling detailed traffic monitoring across routed networks.
- NetFlow data helps network administrators analyze bandwidth usage, application behavior, and security threats.
- NetFlow exports flow records in standardized formats to collectors for aggregation and reporting.
- NetFlow is a passive monitoring tool that complements IP Services by enhancing traffic visibility without impacting routing.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A router learns the same prefix from both OSPF and EIGRP. Which route is installed by default?
Question 2
A router shows this output: R1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.1.1.2 1 FULL/DR 00:00:34 192.168.12.2 GigabitEthernet0/0 10.1.1.3 1 2WAY/DROTHER 00:00:39 192.168.12.3 GigabitEthernet0/0 Which statement is correct?
Question 3
What is the OSPF metric called?
Question 4
A non-root switch has two uplinks toward the root bridge. One path has a lower total STP cost than the other. What role will the lower-cost uplink have?
Question 5
A router interface applies this ACL inbound: 10 deny tcp any any eq 80 20 permit ip any any A user reports that web browsing to a server by IP address fails, but ping works. Which statement best explains the behavior?
Question 6
A router learns route 198.51.100.0/24 from OSPF with AD 110 and also has a static route to the same prefix configured with AD 150. Which route is installed?
FAQ
Questions learners often ask
What does this 200-301 question test?
NetFlow collects and exports detailed IP traffic flow data from routers to a centralized collector for network visibility and analysis.
What is the correct answer to this question?
The correct answer is: NetFlow can export flow data to a collector — NetFlow exports flow records to a collector and is useful for traffic analysis and accounting visibility. Syslog reports events and messages, but it does not replace flow records for conversation-level traffic statistics.
What should I do if I get this 200-301 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
Discussion
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