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Question 168 - H12-731_V2.0 discussion
With the following description of network scanning defense technology, which is correct? (single selection).
A.
For port scanning, you can defend by setting the value of the access frequency bureau.
B.
If the access frequency is set too high More false positives will be generated, blocking normal access traffic.
C.
If the rate at which its source IP accesses other protected addresses or ports exceeds the set access frequency threshold, this behavior is regarded as scanning behavior And add the purpose to the blacklist to block scan
D.
If the frequency of the set direction is too low The scanning behavior is not recognized.
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