专业技术初级资格网络管理员基础知识2002年网络管理员上午试题
题目内容

●In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet.There are two types of key technology: private key and public key. Private-key encryption methods are called __(71)__ ciphers, information is encrypted with __(72)__ both the sender and receiver hold privately. Public-key encryption methods are called __(73)__ ciphers, __(74)__ created for each user, encryption key and decryption key are __(75)__ .

2024-07-09

A.synchronous

B.asynchronous

C.symmetric

D.asymmetric

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