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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.
So how packets do determines their way across the Internet? Does each computer linked to the Internet know where the other computers are? Do packets just get 'broadcast' to every c
Explain the disadvantages of symmetric algorithms?
Q. Explain about Traffic shaping ? Traffic shaping -Method to control the amount and the rate of the traffic sent to the network.? Leaky bucket Token bucket -
Round Trip Time (RTT) and Time Out The size and the complexity of computer networks have grown in past years. To achieve an efficient and reliable transmission some
Q. How two adjacent layers communicate in a layered network or what do you understand by Service Access Point? Ans: In layered network, each layer has several entities and enti
In connectionless schema, there is no connection required. The source of data includes destination information in data and transmit to the network. Network transmit each data item
The Five steps to data encapsulation (IN ORDER): 1) User information is changed into data. 2) Data is changed into segments. 3) Segments are changed into datagram and pack
Can you Describe IGRP?
Path Overhead It is part of SPE and contain followings information: Performance monitor of synchronous transport , signal , path , track ,parity ,checks, and path status.
Explain the cost of a path between two nodes Given a network of nodes linked by bidirectional links, where every link has a cost associated with it in each direction, explain t
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