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Q. Explain about Error Detection?
Data can be corrupted during transmission because of accidents, Storms, sudden increase in electricity and voltage / decrease in signal power over distance
For reliable communication errors should be detected and corrected
Q. How is computer networks used in teleconferencing? Teleconferencing: Teleconferencing allows conference to happen without the participants being in the same place. Applica
On a lan where are ip datagram transported?
Define Co-axial cable. A solid central conductor surrounded by insulating material and then by a cylindrical shield woven from fine wires is called as co-axial cable. The shie
Name the three ways or wireless data to be propagated.
File servers are useful for sharing files through a network. With a file server, the client passes requests for file records over network to file server
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
Multicast Routing Protocols Multicast group addresses are assigned by IANA [Internet Assigned Numbers Authority for well known services and protocols. Information is exchang
MAC (media access control) and LLC (logical link control) are both layer 2 protocols.
Wireless Access Wireless access connecting end systems ( that are often mobile) into the network. Today there are two broad types of wireless internet access(1) wireless an
Primary Function Core network typically providing the followings functionality 1.Aggregation : the highest level of aggregation in a service provider networks. The
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