Eccouncil pass4future ceh V12 312-50v12 New Questions by Arin q454 vce pdf

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Exam Name:	Certified Ethical Hacker Exam (CEHv12)
Exam Code:	312-50v12 Dumps
Vendor:	ECCouncil	Certification:	CEH v12
Questions:	572 Q&A's	Shared By:	arin

Question 80

What useful information is gathered during a successful Simple Mail Transfer Protocol (SMTP) enumeration?

Options:

The two internal commands VRFY and EXPN provide a confirmation of valid users, email addresses, aliases, and mailing lists.

Reveals the daily outgoing message limits before mailboxes are locked

The internal command RCPT provides a list of ports open to message traffic.

A list of all mail proxy server addresses used by the targeted host

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Question 81

What would you enter if you wanted to perform a stealth scan using Nmap?

Options:

nmap -sM

nmap -sU

nmap -sS

nmap -sT

Discussion

Question 82

A security analyst is performing an audit on the network to determine if there are any deviations from the security policies in place. The analyst discovers that a user from the IT department had a dial-out modem installed.

Which security policy must the security analyst check to see if dial-out modems are allowed?

Options:

Firewall-management policy

Acceptable-use policy

Permissive policy

Remote-access policy

Discussion

Question 83

Kevin, an encryption specialist, implemented a technique that enhances the security of keys used for encryption and authentication. Using this technique, Kevin input an initial key to an algorithm that generated an enhanced key that is resistant to brute-force attacks. What is the technique employed by Kevin to improve the security of encryption keys?

Options:

Key derivation function

Key reinstallation

A Public key infrastructure

Key stretching

Discussion

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