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What are some drawbacks of implementing a ring topology?
In case one workstation on the network varies a malfunction, it can bring down the whole network. Another drawback is that when there are adjustments and reconfigurations required to be performed on a particular part of the network, the whole network has to be temporarily brought down as well.
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
a) Which of the well-known Internet applications uses a separate TCP connection for control? b) The separate control connection as in (a) above is an example of control (sig
what is difference between Star and Mesh topology?
What is the difference among Windows 2000 and Windows 2003?
State about data and data files - Information The third and major component of the system liable to be attacked is the data and data files used by the company. It is the most s
SONET STS SONET defines a hierarchy of signalling levels called as STSs (Synchronous Transport Signals). Every STS level supports a certain data rate specified in megabits p
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
What is VRC? It is the most common and least costly mechanism for Error Detection. In VRC, a parity bit is added to each data unit so that the total number of 1s becomes even f
Internet Backbone Internet backbone is the physical networks ( usually relying on fiber optic cable ) that carries internet traffic between different networks and i
telecommunication processors
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