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Initialization
Imagine that all routers in our sample internetwork comes up at the same time. Each router sends a greeting packet to its neighbours to find out the state of each link. It then prepares an LSP based on results of these greeting and floods the network with it. Figure shows this process for router. The same step are performed by ever router in the router in the network as each come up.
Can you describe PPP packet format?
The application layer This layer enables users to access the network by providing a few services to the user some of the protocols and services available to the user ar
Explain the cost of a path between two nodes Given a network of nodes linked by bidirectional links, where every link has a cost associated with it in each direction, explain t
How does the cut-through switching technique work? Ans) Cut-Through switching copies only the destination address which is the first 6 bytes after the =frame preamble into its b
IGRP is a distance vector routing protocol designed by Cisco. The maximum hop count is 255, and it uses a combination of variables to verify a composite metric. IGRP has an adminis
Explain the importance of authentication. Authentication is the method of verifying a user's credentials before he can log into the network. It is normally performed using a us
PHYSICAL ADDRESSING IN A WAN: The physical addressing in a WAN is same as in LAN in the following way: The data is send in packets equivalent to frames. Every pack
Skype is a web-based service which offers cheap and free phone calls. Explain step by step (in terms of networking technology) what really happens from the point when you initiate
Programming Based on Message Passing As we know, the programming model based on message passing uses high level programming languages like C/C++ along with a number of message
DNS in the Internet -Domain name space is split into three sections: country, generic and inverse -Generic domains define hosts by generic behavior -Country domains are
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