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Huawei HCIA-Security V4.0 Sample Questions:

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

A) 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.
B) 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.
C) The main task of port device management is to complete the I/O requests made by users and classify I
/O devices for users.
D) Device management can virtualize a physical device into multiple logical devices through virtualization technology, providing multiple user processes to use.

2. Regarding the characteristics of the routing table, which of the following items is described correctly

A) Port In the global routing table, there is at most one next hop to the same destination CIDR block.
B) Port When a packet matches multiple entries in the routing table, it is forwarded according to the longest mask.
C) Port When a packet matches multiple entries in the routing table, it is forwarded based on the route entry with the largest metric.
D) There may be multiple next hops in the global routing table to the same destination.

3. HTTPS introduces the TLS layer based on HTTP to provide identity authentication, encryption, and integrity check for data transmission.

A) FALSE
B) TRUE

4. Which of the following functions help implement IPsec secure transmission of user service data on the Internet by means of encryption and authentication?

A) Data encryption
B) Anti-replay
C) Data origin authentication
D) Data integrity check

5. The following description of investigation and evidence collection, which one is correct

A) In all investigation and evidence collection, it is best to have law enforcement agencies involved.
B) Evidence obtained by wiretapping is also valid.
C) Documentary evidence is required in computer crime.
D) Evidence is not necessarily required in the course of the investigation.

Solutions: