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Selected CEH-001 Certified Ethical Hacker CEH Questions Answers

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Question 124

NTP allows you to set the clocks on your systems very accurately, to within 100ms and sometimes-even 10ms. Knowing the exact time is extremely important for enterprise security. Various security protocols depend on an accurate source of time information in order to prevent "playback" attacks. These protocols tag their communications with the current time, to prevent attackers from replaying the same communications, e.g., a login/password interaction or even an entire communication, at a later date. One can circumvent this tagging, if the clock can be set back to the time the communication was recorded. An attacker attempts to try corrupting the clocks on devices on your network. You run Wireshark to detect the NTP traffic to see if there are any irregularities on the network. What port number you should enable in Wireshark display filter to view NTP packets?

Options:

A.

TCP Port 124

B.

UDP Port 125

C.

UDP Port 123

D.

TCP Port 126

Question 125

Which of the following items of a computer system will an anti-virus program scan for viruses?

Options:

A.

Boot Sector

B.

Deleted Files

C.

Windows Process List

D.

Password Protected Files

Question 126

In order to show improvement of security over time, what must be developed?

Options:

A.

Reports

B.

Testing tools

C.

Metrics

D.

Taxonomy of vulnerabilities

Question 127

What is the main reason the use of a stored biometric is vulnerable to an attack?

Options:

A.

The digital representation of the biometric might not be unique, even if the physical characteristic is unique.

B.

Authentication using a stored biometric compares a copy to a copy instead of the original to a copy.

C.

A stored biometric is no longer "something you are" and instead becomes "something you have".

D.

A stored biometric can be stolen and used by an attacker to impersonate the individual identified by the biometric.

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Exam Code: CEH-001
Exam Name: Certified Ethical Hacker (CEH)
Last Update: Nov 21, 2024
Questions: 878
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