Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
Exhibit: A collector is receiving traffic metadata from a router, including source IP, destination IP, protocol, and byte counts. Which feature is being used?
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
Distractor review
Syslog
Syslog sends event messages, not flow summaries.
B
Distractor review
SNMP trap
A trap is an event notification, not a detailed conversation record.
C
Best answer
NetFlow
NetFlow describes traffic flows and counters.
D
Distractor review
NTP
NTP synchronizes time.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A frequent exam trap is mistaking Syslog or SNMP traps for the feature that exports traffic metadata. Syslog messages only report system events and errors, not detailed flow data. SNMP traps notify about specific device events or threshold breaches but do not provide conversation-level traffic summaries. Another trap is confusing NTP, which only synchronizes device clocks, with traffic monitoring features. Candidates must recognize that only NetFlow exports detailed flow records including source IP, destination IP, protocol, and byte counts, which are essential for traffic analysis and capacity planning.
Technical deep dive
How to think about this question
NetFlow is a Cisco-developed network protocol designed to collect IP traffic information and monitor network traffic flows. It captures metadata such as source and destination IP addresses, protocol types, port numbers, and byte and packet counts, summarizing conversations between endpoints rather than capturing full packet payloads. This flow-based data enables network administrators to analyze traffic patterns, optimize bandwidth usage, and detect anomalies or security threats. In the context of Cisco devices and the CCNA exam, NetFlow operates by exporting flow records from routers or switches to a collector for analysis. Unlike Syslog or SNMP traps, which focus on event notifications or device status, NetFlow specifically provides detailed traffic flow summaries. This distinction is critical when identifying which IP services feature is responsible for delivering traffic metadata like source/destination IPs and byte counts. A common exam trap is confusing NetFlow with other monitoring or synchronization protocols such as Syslog, SNMP traps, or NTP. While Syslog and SNMP traps report events or alerts, and NTP synchronizes time, only NetFlow exports detailed flow records that describe traffic conversations. Practically, NetFlow helps network engineers with capacity planning, security monitoring, and troubleshooting by providing granular visibility into network traffic without the overhead of full packet capture.
KKey Concepts to Remember
- NetFlow exports flow records that summarize network traffic conversations by capturing source and destination IP addresses, protocols, and byte counts.
- Syslog sends event messages related to system status and errors but does not provide detailed traffic flow summaries.
- SNMP traps notify network management systems about specific device events or threshold breaches without detailing traffic conversations.
- NTP synchronizes device clocks across the network and does not carry any traffic metadata or flow information.
- NetFlow helps network administrators analyze bandwidth usage, detect anomalies, and perform capacity planning by providing granular traffic metadata.
- Cisco routers and switches use NetFlow to export flow data to a collector, enabling centralized traffic analysis and monitoring.
- Understanding the difference between event-based protocols (Syslog, SNMP traps) and flow-based protocols (NetFlow) is critical for IP services questions in the CCNA exam.
- NetFlow does not capture full packet payloads, which reduces overhead while still providing valuable metadata for network troubleshooting.
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 exports flow records that summarize network traffic conversations by capturing source and destination IP addresses, protocols, and byte counts.
What is the correct answer to this question?
The correct answer is: NetFlow — NetFlow exports flow records that summarize traffic conversations. It does not carry full packet payloads, but it does provide useful metadata for analysis and capacity planning.
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.
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