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Question:
(a) Explain how a Token Ring networks allows sharing of bandwidth (access control).
(b) (i) CSMA/CD is not appropriate for wireless communication. Explain why.
(ii) Multiple Access with Collision Avoidance (MACA) is typically used for wireless Local area networks. With the help of a diagram describe how MACA works efficiently for wireless networks.
(c) Draw a diagram to show the seven layers of the OSI model.
Q. Explain Full Duplex data transmission? - Have two separate Communication channels as well as use each one for simplex Data traffic (in different directions). - If this is
what's the difference among Symmetric and Asymmetric cryptosystem?
There is a many-to-one relationship among clients and server. Clients always start the dialog by requesting a service. Servers are passively awaiting for requests from clients.
Use Packet Tracer software to model the network that you have designed, and configure the network to make sure it is running properly. The following requirements should be met:
Q. Show the Parity Check - Performance? Parity Check - Performance Is able to detect all single-bit errors Can as well detect burst errors if the total number of
using binary adition, what is the result of 1010 + 10? Using binary addition, how would you repeatedly increment a number by 2?
Recognize the command that will show the RIP routes entering and leaving the router? Ans) Route# debug ip rip
Q. Explain Types of Redundancy Checks? Parity Check Simple Parity Check Two Dimensional Parity Check / Longitudinal Redundancy Check (LRC) CRC (Cyclic Redund
Large data packets result in fewer load because a smaller part of the packet is used for header information. Optimum networks use 4kB data packets or larger. Large data packets
What are the Communication tools ? Voice mail ? Email ? Fax ? Video conferencing applications
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