Term
| Address Resolution Protocol (ARP) |
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Definition
| Used to determine a host's MAC address from it's IP address.Also used to view and make changes to IP address-to MAC address translation tables. |
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Term
| Automatic Private IP Addressing |
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Definition
| A feature of the Windows OS that enables DHCP clients to self-configure an IP address and subnet mask automatically when a DHCP Server is not available. |
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Term
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Definition
| A device that connects two networks and passes traffic between them based only on the node address, so that traffic between nodes on one network does not appear on the other network. For example,in Ethernet networks it looks at the Ethernet address and filters and forward packets based on the MAC addresses.Operate at Level 2 of the OSI model. |
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Term
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Definition
| A special network address that refers to all users on the network.In a TCP/IP network it would be 255.255.255.255. Any packet sent to this address will be sent to everyone on that LAN. |
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Term
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Definition
| The collection of all devices that will recieve each other's broadcast frames.A router will not cross a broadcast frames. |
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Term
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Definition
| The group of all devices whose frames could potentially collide with one another. |
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Term
| Domain Name Service (DNS) |
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Definition
| A protocol and system for mapping IP addresses to user friendly names.It resolves host names to IP addresses,and vice versa (with reverse lookups). |
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Term
| Dynamic Host Configuration Protocol (DHCP) |
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Definition
| A dependable flexible alternative to manual TCP/IP configuration that provides PCs with automatic configuration of the three necessary TCP/IP parameters-IP address,subnet mask and default gateway. |
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Term
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Definition
| A Protocol designed primarily transferring data across a network.FTP denotes both a protocol and a utility used for this purpose.It was created to quickly and efficiently transfer data files from one host to another without impacting remote hosts' resources. |
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Term
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Definition
| A defined series of binary data that is the basic container for a discrete amount of data moving across a network.Also called a jacket. |
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Term
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Definition
| The protocol used for communication between a web server and a web browser. |
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Term
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Definition
| The secure version of the protocol used for communication between a web server and a web browser |
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Term
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Definition
| An Alternative to POP3, it retrieves e-mail from e-mail server like POP3.Uses TCP/IP Port 143. |
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Term
| Internet Control Message Protocol (ICMP) |
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Definition
| Enables systems on a TCP/IP Network to share status and error information.Two of the most common uses of ICMP messages are ping and tracert. |
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Term
| IPX/SPX:IPX/SPX (Internetwork Packet Exchange/Sequence Packet Exchange) |
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Definition
| Protocol suite developed by Novell, primarily for supporting Novell NetWare-based networks. |
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Term
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Definition
| Designed to overcome the problem encountered with SMTP, in which workstations were not confined to permanent terminal based connections to a mainframe.A POP3 mail server holds the mail in a mail-drop until the workstation is ready to recieve the mail. |
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Term
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Definition
| Any IP Address that can be used on a LAN that is restricted to that LAN and can not be routed to the Internet. |
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Term
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Definition
| A type of server that makes single Internet connection and services requests on behalf of many users. |
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Term
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Definition
| A physical layer device that amplifies the signals it receives on one port and resends it on another port.Used to extend the distance of a network segment. |
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Term
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Definition
| A device connecting seperate networks that forwards a packet from one network to another based on the network address for the protocol being used.These devices operate at Layer 3 (Network) of the OSI seven-layer model. |
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Term
| Secure File Transfer Protocol |
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Definition
| Used when you need to transfer files over an encrypted connection.It uses an SSH session,which provides the encryption. |
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Term
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Definition
| Protocol used to send and receive mail over the internet. |
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Term
| SNMP (Simple Network Management Protocol) |
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Definition
| An internet standard for monitoring and configuring network devices.A network using this protocol is composed of management systems and agents. |
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Term
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Definition
| A device that filters and forwards traffic based on some criteria.A bridge and a router are both examples of switches. |
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Term
| TCP/IP (Transmission Control Protocol/Internet Protocol) |
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Definition
| A set of communication protocols developed by the U.S. Department of Defense that enables dissimilar computers to share information over a network. |
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