单选题A technician wants to decrease the overall attack surface of the servers in a data center through decreasing the number of open network ports on each server. Which of the following could the technician implement to increase security？（）AHost based intrusion detection softwareBSoftware firewallCNTFSDACL
单选题
A technician wants to decrease the overall attack surface of the servers in a data center through decreasing the number of open network ports on each server. Which of the following could the technician implement to increase security？（）
A
Host based intrusion detection software
B
Software firewall
C
NTFS
D
ACL
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