Planning A Microsoft Windows Server 2003 Network Chapter 04

Planning A Microsoft Windows Server 2003 Network Chapter 04...

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Unformatted text preview: 70-293: MCSE Guide to Planning a Microsoft Windows Server 2003 NetworkChapter 4: Planning and Configuring Routing and Switching70-293: MCSE Guide to Planning a Microsoft Wi2Objectives•Build IP networks•Configure Windows Server 2003 as a router•Create and configure demand-dial connections•Understand the purpose of virtual LANs•Implement Network Address Translation•Work with Internet Connection Sharing•Configure Internet Connection Firewall•Plan Internet connectivity70-293: MCSE Guide to Planning a Microsoft Wi3Building a Subnetted IP Network•Subnetting: breaking a single large IP network into smaller networks•Main benefit of subnetting is network traffic control•Supernetting is the opposite process of subnetting•Supernetting combines multiple small networks into one large network 70-293: MCSE Guide to Planning a Microsoft Wi4Binary Numbering and TCP/IP•IP addresses are expressed in dotted decimal notation•A computer looks at an IP address as a single group of 32 binary digits•The subnet mask determines which bits are part of the network ID and which bits are part of the host ID 70-293: MCSE Guide to Planning a Microsoft Wi5Decimal Numbering•The decimal system uses the values from 0 to 9 for each digit•The value of the first column in the decimal numbering system is ten to the zero power (10=1); the value of the second column is ten to the first power (101=10) etc.70-293: MCSE Guide to Planning a Microsoft Wi6Binary Numbering•Subnetting is based on binary•Binary is a base-two numbering system, which means that there are only two potential values for each digit, 0 and 170-293: MCSE Guide to Planning a Microsoft Wi7Conversion Between Binary and Decimal•To convert a binary octet to a decimal value, multiply the digit in each column by the value of each column and then determine the sum of those products•Binary digits are always either 1 or 0, so multiply the value of each column by 1 or 0 •Most people use Windows Calculator to perform the conversion70-293: MCSE Guide to Planning a Microsoft Wi8Activity 4-1: Converting Binary Numbers to Decimal UsingWindows Calculator•The purpose of this activity is to convert numbers between binary and decimal numbering systems70-293: MCSE Guide to Planning a Microsoft Wi9Binary Subnet Masks•The binary process used by your computer to find the network ID is called ANDing •If both binary digits being compared have a value of 1, then the result is 1•If one digit is 0 and the other is 1, or if both digits are zero, then the result is 0•When an IP address is ANDed with a subnet mask, the result is the network ID 70-293: MCSE Guide to Planning a Microsoft Wi10Activity 4-2: ANDing•The purpose of this activity is to find the network ID of several IP addresses based on the given subnet mask70-293: MCSE Guide to Planning a Microsoft Wi11The Benefits of Subnets•Subnetting provides the following benefits:•Improves performance•Reduces collisions•Limits broadcasts•Controls traffic70-293: MCSE Guide to Planning a Microsoft Wi...
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Planning A Microsoft Windows Server 2003 Network Chapter 04...

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