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VPN Technology
For an organization VPN technology uses some main techniques for privacy
a.Encryption /Authentication
b.Tunnelling
c.Fire walls
Reliable data transfer over a channel bit error rdt : 20 A more realist model of the underlying channel is one in which bits in packet may be computed. Such bit erro
Ethernet Frame Format Consists of seven fields There is No mechanism for acknowledging received frames considered an unreliable medium
Assume that a user wants to download from a server a web page that references 3 objects. The base page and each of the objects are of the same size that requires 20 ms transmission
Multiplexing Multiplexing is the set of techniques that allows simultaneous transmission of multiple signals across a single data like. It is methods for efficient utiliza
Determine the Objectives of computer security Though computerisation helps a lot in proper organisation of experience, it also opens a Pandora's Box simultaneously. On one
You should develop a system consisting of an application acting as a broker and several agents that need to communicate between them. The agents can only communicate in pairs (i.e.
Recognize the hardware component used to store buffers, tables, running-configuration etc? Ans) RAM is the dynamic memory area. ROM have the boot strap code, NVRAM have the star
Q. What is Topology? - Physical/logical arrangement - Topology of a network is the geometric depiction of the relationship of all the links and linking devices to one anothe
Monitor Stations Lost tokens - timer is issued each time a frame or token is generated If no frame is received in time period new token is generated by a monitor stat
telecommunication processors
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