350-401 Question #1239: Real Exam Question with Answer & Explanation

Question

Lab Simulation 21 Guidelines This is a lab item in which tasks will be performed on virtual devices. - Refer to the Tasks tab to view the tasks for this lab item. - Refer to the Topology tab to access the device console(s) and perform the tasks. - Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window. - All necessary preconfigurations have been applied. - Do not change the enable password or hostname for any device. - Save your configurations to NVRAM before moving to the next item. - Click Next at the bottom of the screen to submit this lab and move to the next question. - When Next is clicked, the lab closes and cannot be reopened. Topology Tasks Answer: R1 config flow exporter Export-NetFlowENCOR transport udp 2055 ip sla schedule 100 life forever start-time now wr Sw1 monitor session 11 source interface e0/2 monitor session 11 destination interface et1/1 wr

Options

• taskConfigure Flexible NetFlow on R1, a basic IP SLA ICMP echo operation on R1, and a switch port analyzer on Sw1 with the specified settings.
• prerequisitesConsole access to virtual devices with necessary preconfigurations applied.

Explanation

The correct answer demonstrates the proper configuration sequence for three distinct network monitoring technologies: Flexible NetFlow on R1 requires defining a flow exporter with a name and specifying UDP port 2055 as the transport protocol for sending flow data to a collector; the IP SLA schedule command activates the pre-configured ICMP echo operation (100) to run indefinitely starting immediately; and the SPAN (Switch Port Analyzer) session on Sw1 correctly maps a source interface (e0/2) to a destination interface (et1/1) for traffic mirroring. Each 'wr' (write memory) command ensures configurations are saved to NVRAM as required by the lab guidelines.

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