200-101 Question #106: Real Exam Question with Answer & Explanation

The correct answer is B: Netflow. NetFlow is a Cisco IOS feature that collects detailed IP traffic statistics, including source/destination IP, ports, and protocol. Because it captures Layer 4 port information, it can identify which specific application (e.g., HTTP on port 80, BitTorrent, streaming video) is cons

Question

What Cisco IOS feature can be enabled to pinpoint an application that is causing slow network performance?

Options

ASNMP
BNetflow
CWCCP
DIP SLA

Explanation

NetFlow is a Cisco IOS feature that collects detailed IP traffic statistics, including source/destination IP, ports, and protocol. Because it captures Layer 4 port information, it can identify which specific application (e.g., HTTP on port 80, BitTorrent, streaming video) is consuming bandwidth and causing slow performance. SNMP monitors device-level health metrics but doesn't identify applications. WCCP (Web Cache Communication Protocol) redirects web traffic to a cache device. IP SLA measures network performance (latency, jitter, packet loss) but doesn't break down traffic by application.

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