In a dual-system hot standby network, the NAT configurations of the two USGs are consistent. When the address in the NAT address pool is on the same network segment as the virtual IP address of the VRRP backup group, the next two graphs show the ARP response of the NAT server and VRRP combination application (lack of a picture).
An attack source will spoof the server and send a large number of SYN-ACK packets to the attacking target network or server. If the destination port of the packet is the TCP service port of the attacked server, the TCP protocol stack of the server will be abnormal. What is it?
According to the dual-system hot backup network diagram, what are the correct descriptions in the following dual-system hot backup preemption function?
In the networking environment of dual-system hot backup and ip-link, which of the following configurations is the key configuration for ip-link and dual-system hot backup?
The administrator can create vfw1 and vfw2 on the root firewall to provide secure multi-instance services for enterprise A and enterprise B, and configure secure forwarding policies between security zones of vfw1 and vfw2.
The Haiwei Secoway VPN client initiates an L2TP connection. The source port of the L2TP packet is 1710 and the port 1710 of the destination port.
Which of the following technologies can enhance the security of mobile users accessing the company's intranet VPN solution?
In the firewall DDoS attack defense technology, the Anti-DDoS device adopts seven layers of defense technology, and the description based on session defense is correct?
On an Eth-Trunk interface, traffic load balancing can be implemented by configuring different weights on member links.
Run the display ike sa command to check the IKE SA information. The following statement is correct?
With regard to the Radius agreement, what are the following statements correct?
The network administrator of a company discards traffic that exceeds the throughput of the device. The USG discards the traffic that exceeds the device throughput. The USG discards the traffic that exceeds the device throughput. The following command can achieve this function?
If the IPSec policy is configured in the policy template and sub-policy mode, the firewall applies the policy template first and then applies the sub-policy.
The branch firewall of an enterprise is configured with NAT. As shown in the figure, USG_B is the NAT gateway. The USG_B is used to establish an IPSec VPN with the headquarters. Which parts of the USG_B need to be configured?
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.
The console port password can be restored to the factory settings by pressing and holding the USG device Reset button for 1-3 seconds.
An administrator can view the IPSec status information and Debug information as follows. What is the most likely fault?
When using the optical bypass interface, the Bypass link has two working modes, automatic mode and forced mode.
A user wants to limit the maximum bandwidth of the 192.168.1.0/24 network segment to 500M, and limit all IP addresses in the network segment to maintain a bandwidth of 1M. How should I configure a current limiting policy for this requirement?
When the user's SSL VPN has been successfully authenticated, the user cannot access the Web-link resource. On the Web server, view the information as follows: netstat -anp tcp With the following information, which of the following statements is correct?
In the DDoS attack defense, if the service learning function is used to find that there is no service or traffic of a certain service in normal traffic, you can use the blocking or traffic limiting method to defend against attacks on the Anti-DDoS device. .
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?
The ACK flood attack uses a botnet to send a large number of ACK packets, which impacts the network bandwidth and causes network link congestion. If the number of attack packets is large, the server processing performance is exhausted, thus rejecting normal services. Under the Huawei Anti-DDoS device to prevent this attack, compare the two processing methods - strict mode and basic mode, what is correct?
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TESTED 02 May 2024
