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Explain the importance of authentication.
Authentication is the method of verifying a user's credentials before he can log into the network. It is normally performed using a username and password. This gives a secure means of limiting the access from unwanted intruders on the network.
Q. Show a simplex Stop and Wait automatic repeat request? A simplex Stop and Wait ARQ - Normal Operation - Frame lost - Acknowledgement lost - Acknowledgement de
What is DoS? A do, or Denial-of-Service attack, is an attempt to stop users from being able to access the internet or any other network services. Such attacks might be come in
State about transcontinental ?ber A transcontinental ?ber link may have many gigabits/sec of the bandwidth, but latency will also be high due to speed of light propagation abov
What is Unacknowledged connectionless service This service is a datagram-style service. It is a very simple service that does not involve any of the flow- and error-control mec
OBJECTIVES After studying this part, you should be able to: Explain the Metrics for Performance Evaluation; Notify about various Parallel System Overheads; Desc
explain benz network?
Can you describe the concept of TTL?
Hybrid Networks Allows an organization to have its own private networks and at the same time access to the global internet. the organization may share its information w
What to do to connection with external communication For dealing with external communication, the Web server must have a static IP. Having a static IP could also be a problemat
identify different network topologies.
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