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Company profile provides brief information about a company. The information includes the company vision, mission, goals and objective and how the company has used them in attaining its market objectives.

Security of information is important when the information is stored or transferred over the public Internet. To address the security concerns of Internet users, several algorithms are being used depending on the type of security and level of protection required. The article discusses about these algorithms, and the levels of protection available in each of these standards.

Malware is a term used to describe any "malicious software" program. Malware includes spyware, adware, tracking cookies, Trojan horses, worms, and viruses.

Virtual Trunking Protocol (VTP) is used for communication within VLANs. VLANs, short for Virtual LANs, are used in place for traditional LANs for ease of maintenance, and security. The article discusses different VTP protocols.

LANs (Local Area Networks) and WANs (Wide Area Networks) are two basic types of networks used in digital communications. Typically, LANs are used within a private campus, where as WANs require regional government permission for laying and may cover very long distances.

Subnetting an IP Network is done primarily for better utilization of available IP address space, and routing purpose. Other reasons include better organization, use of different physical media (such as Ethernet, WAN, etc.), and securing network resources.

With the recent advent of wireless communications, several wireless technologies have come to the fore. Notable among these are Blue tooth, Infrared, Wimax, and WiFi. Each of these communications methods is discussed in the article.