312-50v11 Exam Questions and Answers

QUESTION: 21

An attacker attaches a rogue router in a network. He wants to redirect traffic to a LAN attached to his router as part of a man-in-the-middle attack. What measure on behalf of the legitimate admin can mitigate this attack?

Make sure that legitimate network routers are configured to run routing protocols with authentication.
Disable all routing protocols and only use static routes
Only using OSPFv3 will mitigate this risk.
Redirection of the traffic cannot happen unless the admin allows it explicitly.

Answer(s): A

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QUESTION: 22

Which method of password cracking takes the most time and effort?

Dictionary attack
Shoulder surfing
Rainbow tables
Brute force

Answer(s): D

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QUESTION: 23

An attacker is trying to redirect the traffic of a small office. That office is using their own mail server, DNS server and NTP server because of the importance of their job. The attacker gain access to the DNS server and redirect the direction www.google.com to his own IP address. Now when the employees of the office want to go to Google they are being redirected to the attacker machine. What is the name of this kind of attack?

MAC Flooding
Smurf Attack
DNS spoofing
ARP Poisoning

Answer(s): C

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QUESTION: 24

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 that 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 11:06 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/tcp open ipp 9100/tcp open MAC Address: 00:00:48:0D:EE:8

The host is likely a Linux machine.
The host is likely a printer.
The host is likely a router.
The host is likely a Windows machine.

Answer(s): B

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QUESTION: 25

When purchasing a biometric system, one of the considerations that should be reviewed is the processing speed. Which of the following best describes what it is meant by processing?

The amount of time and resources that are necessary to maintain a biometric system
How long it takes to setup individual user accounts
The amount of time it takes to be either accepted or rejected from when an individual provides identification and authentication information
The amount of time it takes to convert biometric data into a template on a smart card

Answer(s): C

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EC-Council 312-50v11 Exam (page: 5) EC-Council Certified Ethical Hacker Exam (Updated to CEH v12) Updated on: 07-Feb-2026

QUESTION: 21

QUESTION: 22

QUESTION: 23

QUESTION: 24

QUESTION: 25

EC-Council 312-50v11 Exam (page: 5)
EC-Council Certified Ethical Hacker Exam (Updated to CEH v12)
Updated on: 07-Feb-2026