Free Huawei H12-721 Exam Dumps Questions & Answers

To implement the dual-system hot standby function of the USG6000 firewall, which of the following protocols is not required?

• A.VGMP
• B.VRRP
• C.IGMP
• D.HRP

About the description of the process of network expansion, which statement is wrong?

• A.The remote user sends a business request packet to the Server on the intranet. The packet arrives to the virtual gateway through the SSL VPN tunnel.
• B.After the network extension function is triggered, an SSL VPN tunnel needs to be established first between the remote user and the virtual gateway.
• C.After the remote user virtual network adapter obtained the private IP address, it need to manually configure the route to the intranet server so that the internal network resources can be accessed normally.
• D.The remote user's local PC automatically generates a virtual network adapter. The virtual gateway randomly selects an IP address from the address pool and assigns it to the remote user's virtual network adapter.

Regarding GRE Over IPSec, which of the following statements is wrong?

• A.IP header added in the IPSec encapsulation process is the source IP address of the interface to which the IPSec gateway applies the IPSec policy. The destination address is the address of the interface to which the IPSec policy is applied in the IPSec peer.
• B.The data flow that IPSec needs to protect is the data flow from the GRE starting point to the GRE destination.
• C.When GRE over IPSec is used between gateways, IPSec encapsulation is performed before GRE encapsulation.
• D.IP header added in the GR encapsulation process is the source address of the GRE tunnel, and the destination address is the destination address of the GRE tunnel.

As shown in the figure is the firewall hot standby networking environment. In this networking environment, which of the following commands can ensure that the device automatically adjusts the priority of the VGMP management group and automatically performs the active/standby switchover?

• A.hrp ospf-cost adjust-enable
• B.hrp preempt delay 60
• C.hrp auto-sync config
• D.hrp interface GigabitEthernet 0/0/2

Which of the following statement is correct about VRRP packet?

• A.VRRP uses UDP packets
• B.VRRP packets are unicast packets
• C.VRRP uses TCP packets
• D.The destination address of VRRP packet is 224.0.0.18