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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. Explain Simple Mail Transfer Protocol? Electronic Mail -Simple Mail Transfer Protocol (SMTP) is used to support email on the Internet -Addressing consists of two pa
Explain what is digital certificate?
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Name the layer responsible for putting 1s and 0s into a logical group? Ans) Frames are broken down into 1s and 0s and placed onto the physical medium by the Data Lin layer.
What is a Database Server? With a database server, the client passes SQL requests as messages to the database server. The results of every SQL command are returned over the net
10Base2 - Thinnet Cable diameter is about 0.64 cm (RG-58) More flexible as well as easier to handle and install than Thicknet "2" represents a maximum segment len
How to Configure the Ethernet Interfaces on the Host PCs Configure the Ethernet interfaces of PC1, PC2, PC3, PC4, PC5, and PC6 with the IP addresses and default gateways indica
Byte Number TCP number all data bytes that are transmitted in a connection. Numbering is independent in each direction when TCP receives bytes of data a process. It stor
simple introduction,defination and with example & digram
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