Nmap Live Host Discovery

Prompts and answers

• How many devices can see the ARP Request?
  4
• Did computer6 receive the ARP Request? (Y/N)
  N
• How many devices can see the ARP Request?
  4
• Did computer6 reply to the ARP Request? (Y/N)
  Y
• What is the first IP address Nmap would scan if you provided 10.10.12.13/29 as your target?
  10.10.12.8
• How many IP addresses will Nmap scan if you provide the following range 10.10.0-255.101-125?
  6400
• What is the type of packet that computer1 sent before the ping?
  ARP Request
• What is the type of packet that computer1 received before being able to send the ping?
  ARP Response
• How many computers responded to the ping request?
  1
• What is the name of the first device that responded to the first ARP Request?
  router
• What is the name of the first device that responded to the second ARP Request?
  computer5
• Send another Ping Request. Did it require new ARP Requests? (Y/N)
  N
• How many devices are you able to discover using ARP requests?
  3
• What is the option required to tell Nmap to use ICMP Timestamp to discover live hosts?
  -PP
• What is the option required to tell Nmap to use ICMP Address Mask to discover live hosts?
  -PM
• What is the option required to tell Nmap to use ICMP Echo to discover live hosts?
  -PE
• Which TCP ping scan does not require a privileged account?
  TCP SYN Ping
• Which TCP ping scan requires a privileged account?
  TCP ACK Ping
• What option do you need to add to Nmap to run a TCP SYN ping scan on the telnet port?
  -PS23
• We want Nmap to issue a reverse DNS lookup for all the possibles hosts on a subnet, hoping to get some insights from the names. What option should we add?
  -R