某银行为用户提供网上服务，允许用户通过浏览器管理自己的银行账户信息。为保障通信的安全，该Web服务器可选的协议是( )。
- A.POP
- B.SNMP
- C.HTTP
- D.HTTPS
正确答案及解析
正确答案
解析
POP是邮局协议，用于接收邮件；SNMP是简单网络管理协议，用于网络管理：HTTP是超文本传输协议，众多Web服务器都使用HTTP，但是它不是安全的协议：HTTPS是安全的超文本传输协议。
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