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“>Can a network really defend itself?The short answer is, “Yes, it can.” Network security has evolved from independently deployed products such as firewalls into the realm of system-wide solutions. And Cisco Systems® is at the forefront of the technology development that is making self-defending networks a reality.The reason is simple: For today’s companies, especially in this era of regulatory activity, preserving the integrity, confidentiality and longevity of corporate informat 
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