单选

(75)is used to ensure the confidentiality, integrity and authenticity of the two end points in the private network。

  • A.Certificate
  • B.Encryption
  • C.Tunnel
  • D.Presentation
参考答案
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A socket is composed of two addresses:(72)。

  • A.MAC address and IP address
  • B.MAC address and port address
  • C.port number and IP address
  • D.E-mail address and IP address

(70)

  • A.192.168.1.1
  • B.192.168.0.1
  • C.220.110.10.1
  • D.220.110.10.234

(68)

  • A.客户标识
  • B.姓名、住宅电话、E-mail
  • C.姓名、住宅电户、办公电话、E-mail、职位
  • D.客户标识、办公电话、职位

(66)

  • A.{1,2,3,4,5,6,7}
  • B.{1,2,3,4,4,5,6,7,7,7}
  • C.{1,2,3,4,5,6,7,9}
  • D.{4,7,5,1,7,6,2,7,3,4}
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