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Cisco CCNA Routing and Switching 200-120 Exam Cram, Fourth Edition by Keith Barker, Michael Valentine

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Chapter Ten. IP Services

This chapter covers the following official CCNA Routing and Switching 200-120 exam topics:

Identify the basic operation of NAT.

Configure and verify NAT for given network requirements.

Configure and verify NTP as a client.

Configure and verify DHCP (IOS router).

(For more information on the official CCNA exam topics, see the “About the CCNA Exam” section in the Introduction.)

In this chapter we examine the three main implementations of Network Address Translation (NAT) on Cisco routers, along with the applications, advantages, and disadvantages of the NAT service, and finally the configuration commands to implement, verify, and troubleshoot it.

We will examine the theory and configuration of Network Time Protocol ...

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