Huawei H12-721 Online Access

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Question 28

Which attack method is CC attack?

Options:

denial of service attack

scan snooping attack

malformed packet attack

System-based vulnerability attacks

Question 29

Comparing URPF strict mode and loose mode, which of the following statements is incorrect?

Options:

strict mode requires not only the corresponding entry in the forwarding table, but also the interface must match to pass the URPF check.

If the source address of the packet does not exist in the FIB table of the USG, and the default route is configured, the packet will be forwarded through the URPF check.

URPF strict mode is recommended in a

route symmetric environment.

Loose mode does not check whether the interface matches. As long as the source address of the packet exists in the FIB table of the USG, the packet can pass.

Question 30

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?

Options:

layering method

segmentation method

replacement method

block method

Question 31

Load balancing implements the function of distributing user traffic accessing the same IP address to different servers. What are the main technologies used?