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Last Update 23 hours ago Total Questions : 217
The Huawei Certified ICT Professional - Constructing Infrastructure of Security Network content is now fully updated, with all current exam questions added 23 hours ago. Deciding to include H12-721 practice exam questions in your study plan goes far beyond basic test preparation.
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On the following virtual firewall network, the USG unified security gateway provides leased services to the enterprise. The VPN instance vfw1 is leased to enterprise A. The networking diagram is as follows. The PC C of the enterprise A external network user needs to access the intranet DMZ area server B through NAT. To achieve this requirement, what are the following key configurations?
Which of the following statements about the blacklist is correct?
An administrator can view the status of the device components by the following command: The status of the Slot3 board is Abnormal. What are the possible causes of the following faults?
In the TCP/IP protocol, the TCP protocol provides a reliable connection service, which is implemented using a 3-way handshake. First handshake: When establishing a connection, the client sends a SYN packet (SYN=J) to the server and enters the SYN_SENT state, waiting for the server to confirm; the second handshake: the server receives the SYN packet and must send an ACK packet (ACK=1) To confirm the SYN packet of the client, and also send a SYN packet (SYN=K), that is, the SYN-ACK packet, the server enters the SYN_RCVD state; the third handshake: the client receives the SYN-ACK packet of the server. Send the acknowledgement packet ACK (SYN=2 ACK=3) to the server. After the packet is sent, the client and server enter the ESTABUSHED state and complete the handshake. Regarding the three parameters in the 3-way handshake process, which one is correct?
In the firewall DDoS attack defense technology, the data packet of the session table is not defended. If the data packet of the session has been established, it is directly released.
After the BFD session is established, the two systems periodically send BFD control packets. If a system does not receive any packets from the peer within the detection time, the status of the BFD session is considered to be Down. Which mode of detection is this mode called BFD?
The SSL VPN authentication is successful, but the Web-link resources cannot be accessed. What is the correct one?
In a dual-system hot standby environment, if the path of the packet back and forth is inconsistent, which of the following conditions may result in packet loss?
What is the correct statement about the Eth-trunk function?
When an attack occurs, many packets are found on the attacked host (1.1.129.32) as shown in the figure. According to the analysis of the attack, what kind of attack is this attack?
