ccna 4 final exam pdf

ccna 4 final exam pdf

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(1) Removal of the cover letter virus. The software firewall uses Fair Personal Firewall. It mainly configures the disabling of designated IP addresses, applications, ports,ccna 4 final exam pdf, and sites . Requires students to master the above experiment, the configuration done for the further study and master the firewall is good preparation. Figure 4.4 Digital signature verification process (9) TGT (Ticket Granting Ticket) : the user proves his identity to TGS (Ticket Granting Server) (3) Access control. Access control characterizes the ability of the subject to operate with the specified authority over the object. The content of access control includes: personnel restrictions, access authority settings, data identification, control types and risk analysis, etc. It is an important aspect of internal network information security. 2. SSL The speed and simplicity of DES and the convenience and safety of RSA key management. In addition, the RSA algorithm has the following disadvantages: (1) The nameif command. 2) Threats posed by Java applets Especially suitable for data transmitted via the Internet. The security of the RSA algorithm is based on the difficulty of decomposing large numbers (in terms of computer processing power and processing time ) . Among the commonly used public key algorithms, RSA is unique in that it can perform digital signature and key exchange operations. (5) Transfer information and object format. Smurf attack combines IP spoofing, and ICMP replies way to make a lot of network traffic flooding the target system, resulting in head -standard system refused to normal system services. In this attack, the intruder is sent from the network address of the remote IP broadcast address of ICMP echo packets, when it receives such data packets and then forwarded out, all the computers on the network will receive the number of packets and then Send back ICMP echo response packets, which will make the network congested.

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Latest Cisco CCNA 200-301 Dumps

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