Huawei H12-721 Questions Answers

HCNP-Security-CISN (Huawei Certified Network Professional - Constructing Infrastructure of Security Network) Questions and Answers

Question 17

Man-in-the-middle attacks are: the middleman completes the data exchange between the server and the client. In the server's view, all messages are sent or sent to the client. From the client's point of view, all messages are also sent or sent.

Options:

Packet 1: Source IP 1.1.1.1 Source MAC C-C-C Destination IP 1.1.1.2 Destination MAC B-B-B

Packet 1: Source IP 1.1.1.3 Source MAC C-C-C Destination IP 1.1.1.2 Destination MAC B-B-B

Packet 2: Source IP 1.1.1.2 Source MAC C-C-C Destination IP 1.1.1.1 Destination MAC A-A-A

Packet 2: Source IP 1.1.1.3 Source MAC C-C-C Destination IP 1.1.1.1 Destination MAC A-A-A

Question 18

The figure shows the data flow direction of the Bypass interface in the Bypass working mode and the non-Bypass working mode. What are the following statements about the working flow of the electrical Bypass interface?

Options:

When the interface is in the non-bypass state, the traffic flows from the GE0 interface to the USG through Router_a. After the USG processes, the traffic flows from the GE1 interface to Router_B.

When the interface is working in the Bypass state, the traffic is forwarded from the GE0 interface to the USG. The USG does not pass any processing and flows directly from the GE1 interface to Router_B.

When the firewall is configured to implement the security priority, the uplink and downlink services are not interrupted when the interface works in the bypass state. Therefore, the device can be kept in the Bypass state.

The electrical bypass interface can only work in Layer 2 mode and has circuit bypass function.

Question 19

Which of the following protocols does the USG firewall hot standby not include?

Options:

HRP

VRRP

VGMP

IGMP

Question 20

In the IPSec active/standby link backup application scenario, gateway B uses IPSec tunneling technology and gateway A to establish an IPSec VPN.

Options:

TRUE

FALSE

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HCNP-Security-CISN (Huawei Certified Network Professional - Constructing Infrastructure of Security Network) Questions and Answers

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