A network designer’s main responsibility includes defining the network and security architecture; the designer should not be concerned with the actual implementation of security mechanisms and deployment of security solutions. From a design standpoint, the network designer should focus on security management concepts, and the CCDA candidate must understand the reasons for network security, including the systematic approaches to manage security.
Cisco invented the concept of the Self-Defending Network, which describes the network infrastructure and the services used in order for the network to respond to attacks while maintaining availability and reliability. Networks should be able to absorb . . .
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