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CCNA Cisco Certified Network Associate Study Guide (Exam 640-802) by Richard Deal

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Access Control Lists
CERTIFICATION OBJECTIVES
 
The last few chapters introduced you to routing protocols and their basic configuration. By default, once you set up routing, your router will allow any packet to flow from one interface to another. You may want to implement policies to restrict the flow of traffic, for security or traffic policy reasons. Cisco allows you to control the flow of ...

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