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Defining Subnet Masking
A subnet mask is a 32-bit number that is combined with an IP address to mask specific address bits. Hosts use the subnet masks to determine the segment of an IP address that is the network address. The Class A networks, Class B networks, and Class C networks utilize default subnet masks which encompass the first 8, 16, and 24 bits. The default subnet mask values work fine for networks that do not need to be subnetted. Fairly large networks are divided into smaller...
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An Overview on Secure Sockets Layer (SSL)
The Secure Sockets Layer (SSL) protocol was developed by Netscape Communications, and enables secure communication over the Internet. SSL works at the transport layer of Transmission Control Protocol/Internet Protocol (TCP/IP), which makes the protocol independent of the application layer protocol functioning on top of it. SSL is an open standard protocol and is supported by a range of both servers and clients.
SSL can be utilized for the...
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Routing Overview
Routing can be defined as the process and its associated technologies that convey data over the internetwork from one local area network (LAN) to another. There are numerous technologies available that can enable connectivity between remote networks. The Internet can also provide LAN-to-LAN connectivity. Routing takes place in IP networks, based on IP routing tables and its entries. The information in the IP routing tables is used by IP hosts to transfer data over the...
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An Introduction Network Protocols
A protocol is a collection of specifications or rules for data packets that enable information to be sent over the network. Network protocols are designed for network communication. In order to understand the different protocols available and their efficiencies, lets first look at the Open Systems Interconnection (OSI) reference model. This is the standard model for network communication developed by International Organization for Standardization (ISO). The...
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NetBIOS Name Resolution Overview
NetBIOS, broadcasts names to listening nodes on the network. NetBIOS utilizes a User Datagram Protocol (UDP) query to broadcast names. NetBIOS names identified computers on the network before the introduction of Windows 2000. The NetBIOS name is resolved to an IP address through Windows Internet Name Service (WINS), broadcasting, or the LMHOSTS file. If the LAN is a NetBIOS LAN, the NetBIOS name is then the network address. The NetBIOS name is assigned by an...
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