下列不属于数据完整性技术的是（）。
- A.CA认证
- B.数据签名
- C.数据加密
- D.传输安全(通信安全)
正确答案及解析
正确答案
解析
数据完整性技术有：@CA认证；②数据签名；③防火墙系统；④传输安全(通信安全)； ⑤入侵监测系统。
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