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EC-Council 312-50V9 Exam Questions
Certified Ethical Hacker Exam V9 (Page 6 )

Updated On: 17-Feb-2026
Page 5 of 26
PDF with 125 Questions

After trying multiple exploits, you've gained root access to a Centos 6 answer. To ensure you maintain access. What would you do first?

  1. Disable IPTables
  2. Create User Account
  3. Downloadand Install Netcat
  4. Disable Key Services

Answer(s): C



Which of the following is an extremelycommon IDS evasion technique in the web world?

  1. post knocking
  2. subnetting
  3. unicode characters
  4. spyware

Answer(s): C



An Internet Service Provider (ISP) has a need to authenticate users connecting using analog modems, digital Subscriber Line (DSL), wireless data services, and virtual Private Networks (VPN) over a Frame Relay network.
Which AAA protocol is most likely able to handle this requirement?

  1. DIAMETER
  2. Kerberos
  3. RADIUS
  4. TACACS+

Answer(s): D



You are the Systems Administrator for a large corporate organization. You need to monitor all network traffic on your local network for suspicious activities and receive notifications when an attack is occurring. Which tool would allow you to accomplish this goal?

  1. Host-based IDS
  2. Firewall
  3. Network-Based IDS
  4. Proxy

Answer(s): C



A penetration tester is conducting a port scan on a specific host. The tester found several ports opened that were confusing inconcluding the Operating System (OS) version

installed. Considering the NMAP result below, which of the follow is likely to be installed on the target machine by the OS? Starting NMAP 5.21 at 2011-03-15 11:06 NMAP scan report for 172.16.40.65 Host is up (1.00s latency). Not shown: 993 closed ports PORT STATE SERVICE 21/tcp open ftp 23/tcp open telnet 80 /tcp open http 139/tcp open netbios-ssn 515/tcp open 631/tec open ipp 9100/tcp open MAC Address: 00:00:48:0D:EE:8

  1. The host is likely a printer.
  2. The host is likely a router.
  3. The host is likely a Linux machine.
  4. The host is likely a Windows machine.

Answer(s): A






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