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

[单选题]is used to ensure the confidentiality, integrity and authenticity of the two end points in the private network.A．CertificateB．EncryptionC．TunnelD．Presentation

[单选题]is used to ensure the confidentiality, integrity and authenticity of the two end points in the private network。A．CertificateB．EncryptionC．TunnelD．Presentation

[单选题] One of the most widely used routing protocols in IP networks is the Routing Information Protocol (RIP). RIP is the canonical example of a routing protocol built on the （71）algorithm. Routing protocols in internetworks differ slightly from the ideali

[问答题]And if the weather is used to make political points, then so of course, is

[单选题]Two substitutes were used during the basketball games.A.playersB.centersC.r

[单选题]( ) is a complex consisting of two or more connected computing units， it is

[判断题]There are some standard forms of time charter party used in the timecharter

[判断题]There are some standard forms of time charter party used in the timecharter

[多选题]There are also some standard forms of time charter party used in timecharte

[多选题]There are also some standard forms of time charter party used in timecharte