Chapter 14. Analyzing Existing Subnets

This chapter covers the following exam topics:

1.3. Use the OSI and TCP/IP models and their associated protocols to explain how data flows in a network

1.3.a. IP

3.1. Describe the operation and benefits of using private and public IP addressing

3.1.a. Classful IP addressing

3.1.b. RFC 1918

3.2. Describe the difference between IPv4 and IPv6 addressing scheme

3.2.a. Comparative address space

Often, a networking task begins with the discovery of the IP address and mask used by some host. Then, to understand how the internetwork routes packets to that host, you must find key pieces of information about the subnet—specifically the following:

Subnet ID

Subnet broadcast address

Subnet’s range of usable unicast ...

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