Chapter 15. Analyzing Subnet Masks

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 Classfull IP addressing

3.2 Describe the difference between IPv4 and IPv6 addressing scheme

3.2.a Comparative address space

The subnet mask used in one or many subnets in an IP internetwork says a lot about the intent of the subnet design. First, the mask divides addresses into two parts: prefix and host, with the host part defining the size of the subnet. Then, the class (A, B, or C) further divides the structure of addresses in a subnet, breaking the prefix part ...

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