Part IV: Infrastructure Services

This part of the text deals with one of five overall sections you must master for the ICND1 exam. There are three chapters total that make up Part 4. These three chapters, taken as a whole, represent 15 percent of the exam questions you face in your exam. This means that the Infrastructure Services area is the fourth most important section of the five overall sections that you deal with on your testing day! Remember, even though relatively few questions are from this section, those questions could still easily make the difference between a passing and failing mark on this test.

Here you begin with the critical services of DNS, DHCP, and NTP. You also master ACLS and NAT. For many students, these three chapters ...

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