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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?
What are the two broad class classifications under which Networks can be divided? All computer networks fit in one of the two dimensions namely: a) Transmission Technol
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Q. Illustrate the Model for Network Security? - A message is transferred from one party (Principal) to another. - A logical information channel is founded between the t
How do we explain the method of DPU, Segments, Datagram, Frame and packet?
Default IPX Ethernet encapsulation is Novell-Ether
What are the key functions of data link layer? Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer is utilized by
Quetion: A 22 nF capacitor is initially charged to 10V. It is then discharged by connecting a 100kW resistor across it. Approximately how long does it take for the voltage on t
What is meant by Symmentric Multiprocessing (SMP)? It treats all processors as equal. Any processor can do the work of any other processor. Applications are divided into thread
Question: a) Explain briefly three typical network topologies giving one advantage and one disadvantage of each topology. Explain the three topologies with appropriate diagrams
QUESTION a) The aim of a computer network is to increase efficiency and reduce costs. Explain how networks of computers achieve the above. b) Describe the star topology. Su
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