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Huawei HCIA-Security V4.0 Sample Questions:

1. The degree of harm to national security, social order, public interests, and the legitimate rights and interests of citizens, legal persons, and other organizations after the information system is destroyed shall be determined by factors such as the degree of harm. The security level of information systems is divided into () levels.

2. Regarding the matching conditions of security policies, which of the following options are correct?
(Multiple Choice)

A) "Application" in the matching condition is an optional parameter
B) "Time period" in the matching condition is an optional parameter
C) The "source security zone" in the matching condition is an optional parameter.
D) "Service" in the matching condition is an optional parameter

3. Which of the following descriptions of cryptography are correct? (Multiple Choice)

A) Digital envelopes use a hashing algorithm. This ensures the integrity of data transmission.
B) Digital signatures combine symmetric and asymmetric encryption. This ensures the confidentiality of data transmission.
C) The main applications of cryptography include digital envelopes, digital signatures and digital certificates.
D) The digital certificate notarizes the public key through a third-party organization (CA) to ensure the non-repudiation of data transmission.

4. Regarding the difference between packet filtering firewalls and application proxy firewalls, which of the following descriptions is incorrect?

A) Applying proxy firewall can speed up intranet users' access to commonly used websites.
B) Application layer proxy firewall can provide user authentication.
C) Packet filtering firewalls do not have data forwarding capabilities and must be deployed in conjunction with routers.
D) Packet filtering firewalls are usually implemented below the transport layer, and application proxy firewalls are usually implemented above the session layer.

5. The firewall considers that data flow within the same security zone does not pose security risks and does not require the implementation of any security policy.

A) True
B) False

Solutions: