What is the correct statement about the binding of local users to VPN instances?

• A.By default, the binding between a local user and a VPN instance is implemented.
• B.. After a local user is bound to a VPN instance, the local user can manage the entire firewall.
• C.local user can be bound to a VPN instance by using the local-user user-name vpn-instance vpn-instance-name command.
• D.Local users cannot be bound to VPN instances.

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An intranet has made a network, the old equipment is offline, the new network equipment is brought online, and after the service test, it is found that most of the original service traffic cannot work normally. What is the quickest way to restore the business?

• A.replacement method
• B.block method
• C.layering method
• D.segmentation method

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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?

• A.bypass deployment dynamic drainage using strict mode
• B.In strict mode, the cleaning device does not check the established session, that is, the ACK packet does not hit the session, and the device discards the packet directly.
• C.If the cleaning device checks that the ACK packet hits the session, the session creation reason will be checked regardless of the strict mode or the basic mode.
• D.adopts "basic mode". Even if the session is not detected on the cleaning device, the device discards several ACK packets and starts session checking.

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Virtual firewall virtualizes multiple logical firewalls on a physical firewall device and implements multiple instances?

• A.secure multi-instance
• B.VPN multi-instance
• C.Configuring multiple instances
• D.exchange multiple instances

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Load balancing has the following configuration:
[USG] sIb enable
[USG] sIb
[USG-slb] rserver 1 rip 10.1.1.3 weight 32
[USG-slb] rserver 2 rip 10.1.1.4 weight 16
[USG-slb] rserver 3 rip 10.1.1.5 weight 32
[USG-slb] group test
[USG-slb-group-test] metric srchash
[USG-slb-group-test] add rserver 1
[USG-slb-group-test] add rserver 2
[USG-slb-group-test] add rserver 3
Which of the following statements is correct? (Choose two answers)

• A.Load balancing algorithm for the polling algorithm.
• B.weight is the weight of a real server weight.
• C.The configuration is complete load balancing configuration.
• D.Value judgments based on weight which server data stream should flow, the smaller the weight value, the corresponding real server processing capacity should be more weak.

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