An administrator wants to find the top destination for traffic across the infrastructure on a...

NetFlow (and similar flow technologies like IPFIX/sFlow in concept) is used to collect traffic-flow metadata such as source/destination IPs, ports, protocols, interfaces, and byte/packet counts over time. In Network+ (N10-009) operations and monitoring objectives, flow data is ideal for identifying top talkers and top destinations across the network on a given day because it provides summarized, queryable information at scale without capturing every packet payload. An administrator can review reports to determine which destination IPs/hosts consumed the most bandwidth, which applications were most active, and what time ranges saw spikes—perfect for historical analysis.

SNMP is great for polling device counters (interface utilization, errors, CPU) but it does not natively tell you the “top destination” by conversation/flow without additional flow awareness. Packet capture can reveal exact conversations and payloads, but it is heavy, localized, and not efficient for infrastructure-wide daily top-destination reporting. traceroute maps the path to a destination and helps isolate routing/path issues; it does not provide usage statistics. Therefore, NetFlow is the best fit.

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