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Hub
A hub is a small box that connects individual devices on network so that these devices can communicate with each other. Hub is an inexpensive device. It is commonly know as passive hub as it operates below physical layer of OSI model and works just as a connector. It is just a point where the signals coming from different network devices or terminals copied. A hub be thought of as the centre of a bicycle wheel where the spokes meet. Hub is also named as concentrator. Hub is placed in a network connecting in topology format.
Q. What are the trends in Network Security ? Trends in Network Security Improved vigilance for virus infections Continual maturation of firewall technologies
What are the different tables used in EIGRP?
How does the cut-through switching technique work? Ans) Cut-Through switching copies only the destination address which is the first 6 bytes after the =frame preamble into its b
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Switches operate at layer 2. They enhance bandwidth by decreasing the number of devices sharing the media. They isolate collisions. Like a bridge they forward traffic based upon la
QUESTION (a) What are the problems with IPv4 on today's Internet and how does IPv6 solve these problems? (b) Describe at least three ways in which IPv6 is more efficient tha
Explain the physical and logical paths in a computer communication network also
a) A host is sending a HTTP request to a HTTP server. In the table below, propose a correct set of source and destination port numbers for segments sent from host to server and fr
What is the importance of implementing a Fault Tolerance System? Are there limitations? A fault tolerance system makes sure continuous data availability. This is done by elimin
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