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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?
How does Intranet Work? An Intranet can be defined as a private network which uses Internet tools. The principal tool is the Web browser, but there are other Internet tools su
1. Suppose the datagram source allocates 12 bytes for this option. Then when the datagram leaves the source host, the RR option area will be like this: 7 12 4 0 0 0 0 0 0 0 0 0
What is Kerberos in Networking? It is an authentication service developed at the Massachusetts Institute of Technology. Kerberos uses encryption to stop intruders from discover
What is Redundancy? The method of including extra information in the transmission solely for the purpose of comparison. This technique is known as redundancy.
Introduction An algorithm is defined as a series of computational steps required to accomplish an exact task. The algorithm works for a given input and will terminate in a well
PROTOCOL SOFTWARE AND ETHERNET WIRING: All wiring methods use identical Ethernet specifications. e.g. they need same message format. They need same CSMA/CD algorithems. They m
What is virtual channel? Virtual channel is normally a connection from one source to one destination, although multicast connections are also allowed. The other name for virtua
A network in which there is multiple network links among computers to provide multiple paths for data to travel.
Define RIP protocol?
Data Transfer After connection is established bidirectional data transfer can take place. The client and server can both send data and acknowledgments. Figure show
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