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Bridges and Collisions  A collision domain is a network (or part of a network) that is constructed so that a collision occurs when two computers transmit packets at precisely the same time.  Adding a hub to a local area network (LAN) increases its size but maintains a single collision domain because hubs relay signals immediately at the phy...

22 trang | Chia sẻ: thanhle95 | Ngày: 02/07/2021 | Lượt xem: 456 | Lượt tải: 1

BOOTP  Supplies an IP address and other Transmission Control Protocol/Internet Protocol (TCP/IP) parameters  Can supply an executable boot file using Trivial File Transfer Protocol (TFTP)  Requires you to manually configure parameters for each client  Cannot allocate IP addresses automatically  Cannot prevent IP address duplication6 ...

37 trang | Chia sẻ: thanhle95 | Ngày: 02/07/2021 | Lượt xem: 398 | Lượt tải: 1

ARP Address Resolution Process 1. IP packages transport layer information into a datagram by inserting the IP address of the destination system into the Destination IP Address field of the IP header. 2. IP compares the network identifier in the destination IP address to its own network identifier and determines whether to send the datagram di...

32 trang | Chia sẻ: thanhle95 | Ngày: 02/07/2021 | Lượt xem: 512 | Lượt tải: 1

Port Numbers and Sockets  A port number refers to a specific application or process running on a computer.  A socket is a combination of a port number and an IP address.  The Internet Assigned Numbers Authority (IANA) assigns well-known port numbers to common Internet applications.  The most commonly used port numbers are listed in the...

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IP Addresses  Internet Protocol (IP) is the only network layer protocol with its own addressing system.  IP addresses are 32 bits long.  IP addresses have two parts: a network identifier and a host identifier.  IP addresses are assigned to network interface adapters, not to computers.  The Source IP Address field in the IP header alwa...

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Fiber Optic Ethernet  Fiber Optic Inter-Repeater Link (FOIRL)  IEEE 802.3 fiber optic standards:  10Base-FL  10Base-FB  10Base-FP  100Base-FX  Gigabit Ethernet standards16 The 5-4-3 Rule  A standard network can have no more than FIVE segments, connected by FOUR repeaters, of which no more than THREE segments can be mixing segmen...

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Windows NT/Windows 2000 Optional Networking Services  Microsoft Internet Information Services (IIS)  Windows Internet Name Service (WINS)  Domain Name System (DNS) Server  Dynamic Host Configuration Protocol (DHCP) Server  Routing and Remote Access Service (RRAS)  Distributed file system (Dfs)  Microsoft Cluster Server

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Default Windows 2000 Networking Components  Plug and Play installs the following components automatically when the operating system detects a network interface adapter:  Client for Microsoft Networks  Internet Protocol (TCP/IP)  File And Printer Sharing For Microsoft Networks  You can remove these modules or add others as needed afte...

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Network Interface Adapters  Called network interface cards (NICs) when installed in expansion slots  Provide the computer with an interface to the network  Usually take the form of an expansion card  Can be integrated into the motherboard19 Network Interface Adapter Functions  Data-link protocol implementation  Data encapsulation  ...

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Client/Server and Peer-to-Peer Networking  On a client/server network, computers function as either clients or servers.  On a peer-to-peer network, computers can function as both clients and servers.  Microsoft Windows, UNIX, and Linux are peer-to-peer operating systems.  Novell NetWare is a client/server operating system.

25 trang | Chia sẻ: thanhle95 | Ngày: 02/07/2021 | Lượt xem: 411 | Lượt tải: 1