Which of the following tuning strategies are suitable for Nginx physical servers as Web Servers? (Multiple choice)

Which of the following tuning strategies are suitable for Nginx physical servers as Web Servers? (Multiple choice)
A . Increase the buffer size to avoid a large number of new connections causing buffer overflow and the inability to establish connections.
B . Reduce the number of TIME WAIT connections to avoid too many TIME WAIT connections occupying network resources and causing shortage of new connection resources
C . Increase the range of available ports to avoid performance degradation caused by new connections constantly searching for available ports when a large number of connections occupy ports.
D . Set the maximum number of open files to 1024 to limit Nginx resource overhead

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Answer: ABC