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Virtual Private Network (VPN) adds the features of both public and private networks. It is fixed to single organization and needs public network for connectivity.
These connections are sometimes known tunnels and connect sites. Every site sees tunnel as point-to-point link. There is no access for other clients of public networks.
GUARANTEEING ABSOLUTE PRIVACY:
In addition to restricting data packets, VPN machines use encryption to sure absolute privacy. Even if an outside does manage to retain a copy of the data packet the outside will be unable to interpret the message.
Q. Describe about Packet Switching? Packet Switching - Data are transmitted in separate units - Called Packet - Packets are variable length blocks - The max leng
how to connect two pc in lan?
TCP/IP is a name provided to the collection (or suite) of networking protocols that have been used to construct the global Internet. The protocols are also referred to as the DoD (
Suppose a small company wants to develop a computer network of 18 computers in its main office. Due to limited resources the company wants a network architecture where a single com
Define about the term - hackers Every time technology updates itself, new techniques evolve. At the same time thieves or intruders (in the information technology line, they are
ROLE OF DESIGN IN ACHIEVING RELIABILITY One of the most important methods for achieving high reliability is through design. Use reliability cannot be higher than the design re
Two broad classes of middleware are a) General middleware b) Service-specific middleware.
What is the difference between TFTP and FTP application layer protocols? Ans) TFTP - Trivial File Transfer Protocol A stripped down version of FTP, easy to use and fast. TFTP
What are the drawbacks of ARCNet? Here are some drawbacks of ARCNet: 1. Standard ARCNet is very slow (2.5 Mb/s). It is almost seven times slower than Token Ring. 2. ARC
State the example of intranet security Imagine a situation when a company develops a major new product secretly using its Intranet. Hackers break the security and take away all
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