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GB0-190-CN · Question #732
GB0-190-CN Question #732: Real Exam Question with Answer & Explanation
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Question
XYZ 公司的两个分支之间用同步专线互连,使用HDLC 作为封装协议。下面关于HDLC 安全性的说法正确的是______。
Options
- A链路层封装协议类型
- B验证方式
- C最大传输单元
- D网络层协议类型
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