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Nt1330 Unit 1 Exercise 1

In: Computers and Technology

Submitted By flashjay2015
Words 756
Pages 4
IP Addressing Scenario
Unit 1 Exercise 1
ITT Technical Institute
Floyd Washington Jr.
April 4, 2015

When setting up a network that will consist of many host computers, one of the first things that an administrator must do is to determine what class of networks that they must administer to a given business. This is the point where every administrator must know how to implement classful and classless IP addressing. A classful network is a network addressing architecture used in the internet from 1981 until the introduction of Classless Inter-Domain Routing (CIDR) in 1993. Classful IP addressing divides the addtess space on the internet into five address classes. Each class is coded in the first four bits of the address. Today the classful network concepts remain in play only limited scope of the default configuration parameters. There are 32 bits contained in any IPv4 IP address. A Class A network has eight bits in the network number field and 24 bits in the rest of the field and covers a range of 0-126 in the leading field. There are 128 Class A networks with 16,777,216 hosts capability per network. The range of the Class A networks are 0.0.0.0 to 127.255.255.255. A Class B network has 16 bits in the network number field and has 16 bits in the rest of the fields and covers a range from 128.0.0.0 to 191.255.255.255. There are 16,385 Class B networks and each network has the capability of having 65,536 network hosts. A Class C network has 24bits in the network number field and eight bits in the rest of the field. There are 2,097,152 networks in the C Class. Each network has the capability of having 256 hosts on each network. The Class C network range spans from 192.0.0.0 to 223.255.255.255 Keep in mind that the first three classes of networks are unicast networks, which means that these addresses can send messages to a single network destination identified...

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