livro ccna 200-301 pdf

livro ccna 200-301 pdf

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Attackers discover system flaws or security vulnerabilities The browser uses the public key to determine your identity and the certification authority that provides the digital signature. (2) E-mail system 1) Access control to resource host (1) What impact will the shock wave virus have on the system? (1) Firewall technology. A firewall is the internal network and the Internet ( or general extranet ) between the security policy requirements of access control protection, is a kind of system or group of systems protection technology to prevent the immune function, its core is the idea of control over the package filtering technology. (4) Remove sharing. After being invaded by Nimda virus, some new shares will pop up in the system, such as the sharing of C drive, D drive, etc., and their sharing attributes should be removed. The SSL standard should provide data encryption services. The SSL standard uses symmetric encryption technology and public key encryption technology. Before the SSL client and the server exchange data, they first need to exchange the initial SSL handshake information. During the SSL handshake, encryption technology is used for encryption to ensure that the data is not intercepted and tampered during transmission. Second,livro ccna 200-301 pdf, SSL standard to provide a user authentication services. The SSL client and server have their own identification numbers, which are encrypted using a public key . When the client and the server exchange data, the SSL handshake needs to exchange their identification numbers to ensure that the data is sent to the correct client or server. Finally, the SSL standard should provide data integrity services. It uses hash functions and secret sharing methods to provide complete information services, and establishes a secure channel between the client and the server to ensure that the data reaches the destination intact during transmission.

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Latest Cisco CCNA 200-301 Dumps

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