CCNA Exam Prep (Exam 640-802), Second Edition

Chapter 4. General Network Security

<feature><title>Objectives</title>

This chapter covers the following Cisco-specific objectives for the “Identify security threats to a network and describe general methods to mitigate those threats” section of both the 640-802 CCNA and 640-822 ICND1 exams:

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Describe today’s increasing network security threats and explain the need to implement a comprehensive security policy to mitigate the threats

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Explain general methods to mitigate common security threats to network devices, hosts, and applications

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Describe the functions of common security appliances and applications

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Describe security recommended practices including initial steps ...