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HCIA-Security HCIA-Security V4.0 Exam

HCIA-Security V4.0 Exam

Last Update Nov 26, 2025
Total Questions : 91

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Questions 2

At what layer does packet filtering technology in the firewall filter packets?

Options:

A.  

Transport layer

B.  

Network layer

C.  

Physical layer

D.  

Data link layer

Discussion 0
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Questions 3

DES is a stream encryption algorithm, because the cipher capacity is only 56 bits, so it is not enough to deal with the weakness of insufficient security, and later 3DES was proposed.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 4

Which of the following characteristics does a denial-of-service attack include?

Options:

A.  

Unauthorized tampering of the mouth

B.  

Unauthorized access to the mouth

C.  

Unauthorized activation of the mouth

D.  

Unauthorized destruction of the mouth

Discussion 0
Questions 5

As shown in the figure, what is the range of the AH protocol authentication range in transmission mode?

Questions 5

Options:

A.  

The4

B.  

The3

C.  

The2

D.  

The1

Discussion 0

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