单选题A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）A21B23C80D443
单选题
A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）
A
21
B
23
C
80
D
443
参考解析
解析：
暂无解析
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