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Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an ( ) network, Typical applications include remote command-line, login, and remote command execution, but any network service can be secured with SSH. The protocol works in the ( ) model, which means that the connection in established by-the SSH client connecting to the SSH server. The SSH client drives the connection setup process and uses public key cryptography to verify the ( ) of the SSH server.After the setup phase the SSH protocol uses strong (此空作答) encryption and hashing algorithms to ensure the privacy and integrity of the data that is exchanged between the client and server. There are several options that can be used for user authentication. The most common ones are passwords and ( ) key authentication.

A.dynaniC
B.random
C.B.randomCsymmetriC
D.asymetrie

正确答案及解析

正确答案

解析

Secure Shell（SSH）是一种加密网络协议，用于在不安全网络上安全地操作网络服务，典型的应用程序包括远程命令行、登录和远程命令执行，但任何网络服务都可以使用SSH进行安全保护。协议在P2P模型中工作，这意味着连接到SSH服务器的SSH客户机建立了连接。SSH客户机驱动连接设置过程，并使用公钥加密来验证SSH服务器的身份。之后安装阶段SSH协议使用强对称加密和哈希算法来确保在客户机和服务器之间交换的数据的隐私性和完整性。有几个选项可用于用户身份验证。最常见的是密码和公钥认证。