You perform a security audit of

单项选择题You perform a security audit of a server named CRM1. You want to build a list of all DNS requests that are initiated by the server. You install the Microsoft network monitor 3.0 application on CRM1. You capture all local traffic on CRM1 for 24hours. You save the capture file as data.cap. you find that the size of this file is more than 1GB. You need to create a file named DNSdata.cap from the existing capture file that contains only DNS –related data what should you do?（）: A、Apply the display filter IDNS and save the displayed frames as DNSdata.cap file.; B、Apply the capture filter IDNS and save the displayed frames as DNSdata.cap file.; C、Add a new alisa named DNS to the aliases table and save the file as DNSdata.cap.; D、Run the nmcap.exe /inputcapture data.cap /capture DNS /file DNSdata.cap command.

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