ccna chapter 7 exam online

ccna chapter 7 exam online

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7.3.6 Network monitoring SET Certification Three -Business Organization Processing Process The processing steps of the business organization are shown in Figure 9.5 . Sometimes, encryption key = decryption key (in the case of symmetric encryption ) . Assuming that E is an encryption algorithm, D is a decryption algorithm, and P is a plaintext, the mathematical expression of data encryption and decryption is: P = D(KD ,ccna chapter 7 exam online, E(KE , P )) . Note: The way the PIX firewall allocates addresses from the global address pool is from the low end to the high end of the range specified by the global command. Nov First, Alice and Bob agree on two large integers n and g , where 1< g < n , these two integers do not need to be kept secret, and then perform the following process. Plain text → "encryption" → cipher text → "decryption" → plain text (1) Send yourself out via E-mail . The security of RSA relies on decomposition of large numbers. Both the public key and the private key are functions of two large prime numbers ( greater than 100 decimal digits ) . The following describes how the key pair is generated. Authentication exchange is a mechanism for confirming the identity of an entity in the communication process by means of mutual exchange of agreed information. Common methods are: Is it allowed to access the system. Smart cards are similar in size to credit cards, and generally consist of a microprocessor, memory, and input and output facilities . The microprocessor can calculate a unique number (ID) of the card and the encrypted form of other data. The ID guarantees the authenticity of the card and the cardholder can access the system. In order to prevent the loss or theft of smart cards, many systems require the simultaneous use of the card and the identification code ( password, PIN) . If you only have the card but don't know the PIN code, you cannot enter the system. Using smart cards is better than using traditional password methods for authentication, but it is inconvenient to carry and the cost of opening an account is higher.

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Latest Cisco CCNA 200-301 Dumps

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