Câu 15: EC0-350: ECCouncil Certified Ethical Hacker v8

A penetration tester is conducting a port scan on a specific host. The tester found several ports opened that were confusing in concluding the Operating System(OS) version installed. Considering the NMAP result below, which of the following is likely to be installed on the target machine by the OS?Starting NMAP 5.21 at 2011-03-15 11:06NMAP scan report for 172.16.40.65Host is up (1.00s latency). Not shown: 993 closed ports -PORT STATE SERVICE -21/tcp open ftp23/tcp open telnet80/tcp open http139/tcp open netbios-ssn515/tcp open631/tcp open ipp9100/tcp openMAC Address: 00:00:48:0D:EE:89 -

1. A. The host is likely a Windows machine.
2. B. The host is likely a Linux machine.
3. C. The host is likely a router.
4. D. The host is likely a printer. — đáp án hiện tại