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A set of practice questions related to network scanning and vulnerability assessment techniques used in ethical hacking. It covers various scanning methods, including tcp syn, tcp connect(), fin, xmas tree, ping, version detection, udp, ip protocol, ack, window, rpc, list, idlescan, ftp bounce attack, and different ping types. The document also includes information on nmap output formats and scan timing options. These practice questions are valuable for individuals preparing for the certified ethical hacker (ceh) exam or those interested in learning about network security.
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Directory Transversal - Correct Answer Finding a directory listing and gaining access to a parent or root file for access to other files Incremental Substitution - Correct Answer Replacing numbers in a url to access other files Vulnerability Scanning - Correct Answer The automated process of proactively identifying vulnerabilities of computing systems present in a network Network Scanning - Correct Answer A procedure for identifying active hosts on a network. Port Scanning - Correct Answer A series of messages sent by someone attempting to break into a computer to learn about the computer's network services. TCP SYN Scan - Correct Answer -sS TCP connect() scan - Correct Answer -sT FIN Scan - Correct Answer -sF Xmas Tree scan - Correct Answer -sX Ping Scan - Correct Answer -sP Version Detection Scan - Correct Answer -sV UDP Scan - Correct Answer -sU IP Protocol Scan - Correct Answer -sO ACK Scan - Correct Answer -sA Window Scan - Correct Answer -sW RPC Scan - Correct Answer -sR List Scan - Correct Answer -sL Idlescan - Correct Answer -sI FTP Bounce Attack - Correct Answer -b don't ping - Correct Answer -P TCP Ping - Correct Answer -PT SYN Ping - Correct Answer -PS
ICMP Ping - Correct Answer -PI PI and PT Ping - Correct Answer -PB ICMP Timestamp - Correct Answer -PP ICMP Netmask - Correct Answer -PM Nmap normal output - Correct Answer -oN Nmap ml output - Correct Answer -oX Nmap grepable output - Correct Answer -oG nmap all output - Correct Answer -oA Paranoid scan timing - Correct Answer serial scan & 300 sec wait Sneaky scan timing - Correct Answer serialize scans & 15 sec wait Polite scan timing - Correct Answer serialize scans & 0.4 sec wait Normal scan timing - Correct Answer parallel scan Aggressive scan timing - Correct Answer parallel scan & 300 sec timeout & 1.25 sec/probe Insane scan timing - Correct Answer parallel scan & 75 sec timeout & 0.3 sec/probe nmap -p - Correct Answer