单选题An administrator has been having problems with server security. Many of the servers have been infected with viruses in the past. Which of the following can be done to ensure that systems avoid OS exploits?（）AImplement an intrusion detection system (IDS).BImplement a dual-factor authentication method.CImplement a patch management process.DImplement stronger user passwords.
单选题
An administrator has been having problems with server security. Many of the servers have been infected with viruses in the past. Which of the following can be done to ensure that systems avoid OS exploits?（）
A
Implement an intrusion detection system (IDS).
B
Implement a dual-factor authentication method.
C
Implement a patch management process.
D
Implement stronger user passwords.
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