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ECCouncil Updated 312-50v11 Exam Questions and Answers by alayah

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ECCouncil 312-50v11 Exam Overview :

Exam Name: Certified Ethical Hacker Exam (CEH v11)
Exam Code: 312-50v11 Dumps
Vendor: ECCouncil Certification: CEH v11
Questions: 528 Q&A's Shared By: alayah
Question 72

You are programming a buffer overflow exploit and you want to create a NOP sled of 200 bytes in the program exploit.c

Questions 72

What is the hexadecimal value of NOP instruction?

Options:

A.

0x60

B.

0x80

C.

0x70

D.

0x90

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Question 73

In the field of cryptanalysis, what is meant by a “rubber-hose" attack?

Options:

A.

Attempting to decrypt cipher text by making logical assumptions about the contents of the original plain text.

B.

Extraction of cryptographic secrets through coercion or torture.

C.

Forcing the targeted key stream through a hardware-accelerated device such as an ASIC.

D.

A backdoor placed into a cryptographic algorithm by its creator.

Discussion
Question 74

In Trojan terminology, what is a covert channel?

Questions 74

Options:

A.

A channel that transfers information within a computer system or network in a way that violates the security policy

B.

A legitimate communication path within a computer system or network for transfer of data

C.

It is a kernel operation that hides boot processes and services to mask detection

D.

It is Reverse tunneling technique that uses HTTPS protocol instead of HTTP protocol to establish connections

Discussion
Question 75

What hacking attack is challenge/response authentication used to prevent?

Options:

A.

Replay attacks

B.

Scanning attacks

C.

Session hijacking attacks

D.

Password cracking attacks

Discussion
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