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The second point to consider is that from each location, some calls are internal to that site and some are going to outside locations. Again, as an approximation, MyCo telecom people suggests to use a 50-50 rule (50% internal, 50% going out) for the LOs and 70-30 (70% internal, 30% going out) for the HQ and RC buildings. Given this, calculate bandwidth needed for voice traffic from each location going to other locations. The bandwidth needed for voice calls within each location is not needed because all locations must have broadband connectivity for internal communications.
Q. Why we use numbering frames? Why numbering frames? Stop--and-wait ARQ, 1. Numbering Frames prevents the retaining of duplicate frames.. 2. Numbered acknowled
To execute any algorithm, selection of a proper data structure is very crucial. A particular operation may be executed with a data structure in a smaller time but it may have a ver
Wideband Digital Cross Connects A SONET cross connect accepts various optical carries rates accesses the STS signals and switches at this level . it is idally used at
Routing Table Each router now uses the shortest path tree to construct its routing table . each router uses the same algorithm and the same link state database its own sh
Q. Explain about Traffic shaping ? Traffic shaping -Method to control the amount and the rate of the traffic sent to the network.? Leaky bucket Token bucket -
Q. Define the Backbone Networks? Backbone Networks - Allows several LANs to be connected - Non of station is directly connected to the backbone - Stations are part
UDP is connectionless, and does not give error checking. But remember, error checking can happen at other layers too.
Transition Phases A PPP connection goes through phases which can be shown in a transition phase . Dead: In the dead phase the link is not being used. There is no ac
Network Devices a.Hub b.Repeater c.Bridge d.Gateway e.Switch f.Router Connecting devices can classified into networking and internetworking devices when
Consider the site-to-site VPN scenario shown in Figure 2. Let's deploy the AH protocol on the two VPN routers so that no desktop on the two sites need to do any AH operations. Assu
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