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Planning A Microsoft Windows Server 2003 Network Chapter 02

Planning A Microsoft Windows Server 2003 Network Chapter 02...

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Unformatted text preview: 70-293: MCSE Guide to Planning a Microsoft Windows Server 2003 NetworkChapter 2: TCP/IP Architecture70-293: MCSE Guide to Planning a Microsoft 2Objectives•Understand TCP/IP addressing•Describe the overall architecture of TCP/IP•Describe Application layer protocols•Discuss Transport layer protocols•Understand the role of various Internet layer protocols, including IP,ICMP, and ARP•Understand Network Interface layer protocols70-293: MCSE Guide to Planning a Microsoft 3Introduction To TCP/IP•Transmission Control Protocol/Internet Protocol (TCP/IP)•Most commonly used network protocol suite today•Wide vendor support•Open protocol•Provides access to Internet services•Windows Server 2003•Can use several protocols •Many of its main features require the use of TCP/IP70-293: MCSE Guide to Planning a Microsoft 4Activity 2-1: Repairing a Network Connection•The purpose of this activity is to repair a connection that has a corrupt TCP/IP configuration70-293: MCSE Guide to Planning a Microsoft 5IP Addresses•An IP address, like a mailing address for a house, is unique•An IP addresses has four numbers, each called an octet, that are separated by periods•Each octet in an IP address represents eight bits of information•A full IP address of four octets is 32 bits long70-293: MCSE Guide to Planning a Microsoft 6IP Addresses (continued)•An example of an IP address is 192.168.5.66•An IP address is composed of two parts: the network ID and the host ID•The network ID represents the network on which the computer is located•The host ID represents the individual computer on a network70-293: MCSE Guide to Planning a Microsoft 7Subnet Masks•A subnet mask defines which part of its IP address is the network ID and which part is the host ID•Subnet masks are composed of four octets just like an IP address •Wherever there is a 255 in the subnet mask, that octet is part of the network ID•Wherever there is a 0 in the subnet mask, that octet is part of the host ID70-293: MCSE Guide to Planning a Microsoft 8Subnet Masks (continued)•A computer uses its subnet mask to determine•Which network it is on•Whether other computers are on the same network or a different network•If two computers on the same network are communicating, then they can deliver packets directly to each other•If two computers are on different networks, they must use a router to communicate70-293: MCSE Guide to Planning a Microsoft 9Subnet Masks (continued)70-293: MCSE Guide to Planning a Microsoft 10Default Gateway•Default gateway is another term for router•If a computer does not know how to deliver a packet, it gives the packet to the default gateway to deliver•Routers can distinguish multiple networks and how to move packets between them•Routers can also figure out the best path to use to move a packet between different networks70-293: MCSE Guide to Planning a Microsoft 11Activity 2-2: Viewing IP Address Configuration•The purpose of this activity is to view the current IP address settings on a server70-293: MCSE Guide to Planning a Microsoft...
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