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Certified Ethical Hacker Exam

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Question # 41

What is a NULL scan?

Options:

A.  

A scan in which all flags are turned off

B.  

A scan in which certain flags are off

C.  

A scan in which all flags are on

D.  

A scan in which the packet size is set to zero

E.  

A scan with an illegal packet size

Discussion 0
Question # 42

You have several plain-text firewall logs that you must review to evaluate network traffic. You know that in order to do fast, efficient searches of the logs you must use regular expressions.

Which command-line utility are you most likely to use?

Options:

A.  

Grep

B.  

Notepad

C.  

MS Excel

D.  

Relational Database

Discussion 0
Question # 43

Which among the following is a Windows command that a hacker can use to list all the shares to which the current user context has access?

Options:

A.  

NET FILE

B.  

NET USE

C.  

NET CONFIG

D.  

NET VIEW

Discussion 0
Question # 44

PGP, SSL, and IKE are all examples of which type of cryptography?

Options:

A.  

Public Key

B.  

Secret Key

C.  

Hash Algorithm

D.  

Digest

Discussion 0
Question # 45

In this attack, a victim receives an e-mail claiming from PayPal stating that their account has been disabled and confirmation is required before activation. The attackers then scam to collect not one but two credit card numbers, ATM PIN number and other personal details. Ignorant users usually fall prey to this scam.

Which of the following statement is incorrect related to this attack?

Options:

A.  

Do not reply to email messages or popup ads asking for personal or financial information

B.  

Do not trust telephone numbers in e-mails or popup ads

C.  

Review credit card and bank account statements regularly

D.  

Antivirus, anti-spyware, and firewall software can very easily detect these type of attacks

E.  

Do not send credit card numbers, and personal or financial information via e-mail

Discussion 0
Question # 46

Which of the following is the structure designed to verify and authenticate the identity of individuals within the enterprise taking part in a data exchange?

Options:

A.  

PKI

B.  

single sign on

C.  

biometrics

D.  

SOA

Discussion 0
Question # 47

A well-intentioned researcher discovers a vulnerability on the web site of a major corporation. What should he do?

Options:

A.  

Ignore it.

B.  

Try to sell the information to a well-paying party on the dark web.

C.  

Notify the web site owner so that corrective action be taken as soon as possible to patch the vulnerability.

D.  

Exploit the vulnerability without harming the web site owner so that attention be drawn to the problem.

Discussion 0
Question # 48

Name two software tools used for OS guessing? (Choose two.)

Options:

A.  

Nmap

B.  

Snadboy

C.  

Queso

D.  

UserInfo

E.  

NetBus

Discussion 0
Question # 49

Which of the following is a characteristic of Public Key Infrastructure (PKI)?

Options:

A.  

Public-key cryptosystems are faster than symmetric-key cryptosystems.

B.  

Public-key cryptosystems distribute public-keys within digital signatures.

C.  

Public-key cryptosystems do not require a secure key distribution channel.

D.  

Public-key cryptosystems do not provide technical non-repudiation via digital signatures.

Discussion 0
Question # 50

Which of the following algorithms provides better protection against brute force attacks by using a 160-bit message digest?

Options:

A.  

MD5

B.  

SHA-1

C.  

RC4

D.  

MD4

Discussion 0
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