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Q. What do you understand by OSI?
Ans: The Open System Interconnection (OSI) reference model illustrates how information from a software application in one computer goes through a network medium to a software application in another computer. The OSI reference model is a basic conceptual model composed of seven layers, each indicate particular network functions. The model was designed by the International Standardization Organization (ISO) in 1984, and it is now considered the main architectural model for inter-computer communications.
The project idea is : Analyze Snort or PCAP data from a public WIFI hotspot (describe traffice seen and what it is, protocols, ports, etc). This is what is expected. Initially r
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
design issues
DNS Message There are the only two kinds of DNS message DNS query and reply messages. Further mote both query and reply message have the same format as shown in figure.
how to security net
explain Learning Bridges in deatil.
MULTICASTING : The answer to above problem is multicasting. It is the normal form of broadcasting. It acts like broadcasting however it does not broadcast frames automatically
Network Devices a.Hub b.Repeater c.Bridge d.Gateway e.Switch f.Router Connecting devices can classified into networking and internetworking devices when
what are the applications of different encoding schemes
Advantages of VPNs Advantages discussed in the following section include those related to security. Consolidation transparency cost. And administration. a. Improved secur
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