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CEH-001 Questions Bank

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Total 878 questions

Certified Ethical Hacker (CEH) Questions and Answers

Question 117

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 a illegal packet size

Question 118

Which definition among those given below best describes a covert channel?

Options:

A.

A server program using a port that is not well known.

B.

Making use of a protocol in a way it is not intended to be used.

C.

It is the multiplexing taking place on a communication link.

D.

It is one of the weak channels used by WEP which makes it insecure.

Question 119

Jason's Web server was attacked by a trojan virus. He runs protocol analyzer and notices that the trojan communicates to a remote server on the Internet. Shown below is the standard "hexdump" representation of the network packet, before being decoded. Jason wants to identify the trojan by looking at the destination port number and mapping to a trojan-port number database on the Internet. Identify the remote server's port number by decoding the packet?

Options:

A.

Port 1890 (Net-Devil Trojan)

B.

Port 1786 (Net-Devil Trojan)

C.

Port 1909 (Net-Devil Trojan)

D.

Port 6667 (Net-Devil Trojan)

Question 120

____________ will let you assume a users identity at a dynamically generated web page or site.

Options:

A.

SQL attack

B.

Injection attack

C.

Cross site scripting

D.

The shell attack

E.

Winzapper

Page: 30 / 33
Total 878 questions