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Describe one advantage and one disadvantage of using the -T0 switch when performing an Nmap scan. ✔✔This sets an extremely high delay between probes, which may help to evade detection systems bu... t will take a very long time to return results. What is the principal challenge in scanning UDP ports? ✔✔UDP does not send ACK messages so the scan must use timeouts to interpret the port state. This makes scanning a wide range of UDP ports a lengthy process. True or false? A port that is reported as "closed" by Nmap is likely to be one protected by a firewall. ✔✔False. A closed port responds to probes with an RST because there is no service available to process the request. This means that the port is accessible through the firewall. A port blocked by a firewall is in the "filtered" state. 4.What is the function of the -A switch in Nmap? ✔✔Performs service detection (verify that the packets delivered over a port correspond to the "well known" protocol associated with that port) and version detection (using the scripts marked "default"). How do you run a specific Nmap script or category of scripts? ✔✔Use the --script argument with the script name or path or category name. What is the advantage of the Nmap "grepable" output format? ✔✔grep is a Linux command for running a regular expression to search for a particular string. Nmap's grepable output is easier for this tool to parse. Despite operating a patch management program, your c [Show More]

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