about cisco ccna

about cisco ccna

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IDEA encrypts information, while RSA is used to pass the session key. If classified according to the number of bits processed for each encryption, the encryption algorithm can be divided into serial ciphers and block ciphers. The former only encrypts one bit at a time, while the latter lists the information first 4.2 Identification techniques and methods An example of when to use the conduit command is to use ICMP messages to test connectivity through the PIX . In order to allow the echo request from outside (Ping) through PIX firewall must be configured to a pipe (Conduit) . Moreover, external users must have a target IP address available. You can use the static command to map this information on the PIX firewall. In the CA system, the public key system is mainly used for the secret key ( called control word in the CA system - Control- Before the start of the application project, the IC Card Application Service Center of the Ministry of Construction will uniformly provide the key system and special blank cards to the local card issuers . The key system includes: 1 CD ( key management system program ) , 1 floppy disk ( electronic version of key management system data ) , 6 mother cards (PSAM card transmission card, PSAM mother card,about cisco ccna, PSAM mother card transmission card, Master control transmission card, city ​​master key card, city master key card transmission card ) ; special blank cards are used to generate consumption, recharge, and transaction security authentication cards, and blank cards required for generating user cards and management cards in each city are pre-installed There is a master key manufactured by the Ministry of Construction. The city user card consumption keys by the Ministry of Construction IC to provide unified service card issuers to the city center, top key and key by the transaction should generate their own key management system with the city, as 3.21 shown.

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Latest Cisco CCNA 200-301 Dumps

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