200-101 · Question #88
200-101 Question #88: Real Exam Question with Answer & Explanation
The correct answer is A: To identify applications causing congestion.. NetFlow is a network protocol for collecting and monitoring IP traffic flow data. (A) NetFlow identifies which applications are consuming bandwidth, making it useful for pinpointing congestion sources. (D) NetFlow provides detailed traffic statistics that help diagnose slow perfo
Question
Options
- ATo identify applications causing congestion.
- BTo authorize user network access.
- CTo report and alert link up / down instances.
- DTo diagnose slow network performance, bandwidth hogs, and bandwidth utilization.
- ETo detect suboptimal routing in the network.
- FTo confirm the appropriate amount of bandwidth that has been allocated to each Class of Service.
Explanation
NetFlow is a network protocol for collecting and monitoring IP traffic flow data. (A) NetFlow identifies which applications are consuming bandwidth, making it useful for pinpointing congestion sources. (D) NetFlow provides detailed traffic statistics that help diagnose slow performance, identify bandwidth hogs, and understand overall bandwidth utilization. (F) NetFlow data can show traffic volume per DSCP/ToS marking, allowing administrators to verify that each Class of Service is receiving its allocated bandwidth. Choice B (user access authorization) is handled by AAA/RADIUS, not NetFlow. Choice C (link up/down alerts) is an SNMP trap function. Choice E (detecting suboptimal routing) is addressed by routing protocols and traceroute, not NetFlow.
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