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QUESTION
a) List the seven layers of the ISO-OSI model and briefly describe the role of each layer
b) Describe the functions of the following intermediate systems-
c) Assume six devices are arranged in a mesh topology
How many cables are needed?
How many ports are needed for each device?
modern technology in world of 21 century
Error Detection-- CRC Powerful error detection system Rather than addition, binary division is utilized A series of redundant bits called "CRC" or else "CRC remai
Explain Client/Server Networking Model. A networking model where one or more powerful computers (servers) give the dissimilar network services and all other user's computers (
what is difference between Star and Mesh topology?
What is a difference between a domain and workgroup?
Enumerate about the Virtual Private Network (VPN) Even though, many firewalls also include the features of the virtual private network, the functionality and capabilities of V
What is Error Detection? What are its methods? Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses
Packet Switching In the packet switching network type on specific path is used for data transfer. Instead the data is chopped up into small pieces called packed and s
State the Steps to provide more computing power In order to provide more computing power, the following steps may be taken: Add more processing power by addition of more
Q. Illustrate Network Layer in osi layers model? Network Layer : This is responsible for addressing messages and data so they are sent to the required destination, and for tr
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