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Huawei HCIA-Security V4.0 Sample Questions:

1. Which of the following statements is correct about characteristics of a firewall?

A) The firewall can defend against all external network threats.
B) The firewall is a comprehensive security device with multiple security features to defend against zero- day vulnerabilities.
C) The firewall can prevent unauthorized information on the extranet from being sent to the intranet.
D) The firewall has the antivirus function. Therefore, the antivirus system does not need to be deployed on the network where the firewall is deployed.

2. While working for a company, Tom receives an email with an attachment. Which of the following operations is correct?

A) Opening the attachment directly because email attachments do not affect information security
B) Checking the email's content. If the email is related to work, Tom can open and save the attachment
C) Checking the email sender. If the email was sent from the company's mailbox, Tom can open and save the attachment
D) Checking the sender and email information, and using antivirus software to check the attachment

3. What is correct about the following description of device management in the operating system?

A) The main task of port device management is to complete the I/O requests made by users and classify I
/O devices for users.
B) Device management can virtualize a physical device into multiple logical devices through virtualization technology, providing multiple user processes to use.
C) Whenever a process makes an I/O request to the system, as long as it is secure, the device allocator will assign the device to the process according to a certain policy.
D) In order to alleviate the problem of speed mismatch between CPU and I/O devices and improve the parallelism of CPU and I/O devices, in modern operating systems, almost all I/O devices are exchanging numbers with processors Buffers are used at all times.

4. ____- The goal is to provide a rapid, composed and effective response in emergency situations, thereby enhancing the ability of the business to recover immediately from a disruptive event.

5. Database operation records can be used as ___ evidence to backtrack security events.

Solutions: