Huawei HCIA-Security V4.0 - H12-711_V4.0 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

A VRRP group has three states: Initialize, Master, and Backup.

A. FALSE B. TRUE

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Correct Answer: B Vote an answer

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Question 2

Which of the following statements is incorrect about information transmission through the heartbeat link between two firewalls that work in hot standby mode?

A. Heartbeat packets are periodically sent by the two firewalls to check whether the peer device is alive. B. VGMP packets are sent to check the status of the peer device, so as to determine whether a switchover is required. C. Heartbeat packets are sent to synchronize configuration commands and status information between the two firewalls. D. Configuration consistency check packets are sent to check whether key configurations of the two firewalls are consistent.

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Correct Answer: C Vote an answer

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Question 3

As shown in the figure, packet obtaining software is used to obtain some packets on a terminal. Which of the following statements is correct about the obtained packet information?

A. The terminal sends a TCP connection termination request to 192.168.1.1. B. The terminal uses Telnet to log in to another device. C. The terminal uses HTTP to log in to another device. D. The terminal sends a TCP connection establishment request to 192.168.1.1.

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Correct Answer: D Vote an answer

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Question 4

Which of the following statements is incorrect about L2TP?

A. L2TP VPN is mainly used in remote office scenarios to provide remote intranet resource access for employees on business trips. B. L2TP VPN can provide remote access services for employees on business trips, regardless of whether they access the Internet through traditional dial-up or Ethernet. C. PPP packets can be directly transmitted on the Internet. D. L2TP VPN is a tunneling technology used to transmit PPP packets.

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Correct Answer: C Vote an answer

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Question 5

Server mapping entries have fewer elements than session entries, so it can be applied in NAT and ASPF to allow Internet users to initiate connections with the intranet.

A. FALSE B. TRUE

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Correct Answer: B Vote an answer

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Question 6

Which of the following protocols is a multichannel protocol?

A. THE HITP B. The Telnet C. The SSH D. FTP

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Correct Answer: D Vote an answer

Question 7

As shown in the figure, the process of AD single sign-on (querying the security log mode of AD server), please match the corresponding operation process.

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Correct Answer:

Question 8

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. Documentary evidence is required in computer crime. C. Evidence obtained by wiretapping is also valid. D. Evidence is not necessarily required in the course of the investigation.

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Correct Answer: A Vote an answer

Question 9

When using passive mode to establish an FTP connection, the control channel uses port 20 and the data channel uses port 21.

A. True B. False

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Correct Answer: B Vote an answer

Question 10

Which of the following packets is controlled by a firewall's security policy by default?

A. Multicast B. Unicast C. Anycast D. Broadcast

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Correct Answer: B Vote an answer

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Question 11

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

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Correct Answer: A,B,C,D Vote an answer

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Question 12

Which of the following statements is incorrect about DoS attacks?

A. DoS attacks stop services or resource access on the target server. B. DoS attacks use IP spoofing to prevent authorized users from connecting to the target server. C. DoS attack forces the target server's buffer to be full and does not receive new requests. D. DoS attacks cause unrecoverable physical damage to the target server.

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Correct Answer: D Vote an answer

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Question 13

The following description of asymmetric encryption algorithms, which item is wrong?

A. Public keys are generally disclosed to users. B. Compared with symmetric encryption algorithms, the security factor is higher. C. Encryption is faster than symmetric encryption algorithms. D. Asymmetric encryption algorithms are a pair of keys, divided into public and private keys.

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Correct Answer: C Vote an answer