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What is Ring topology
The network consists of a set of repeaters joined by point-to-point links in a closed loop. Each station attaches to the network at a repeater and can transmit data onto the network through the repeater.
Q. Show Nonreturn to Zero encoding? - Value of signal is for all time positive or negative - NRZ-L Signal level depends on bit represented; positive typically means 0
Why Routine security audits are essential It is essential that regular security audits are conducted to find out physically which computer is connected and permits access to
Screening Router In this setup network router acts as a firewall. It checks all incoming and outgoing packets according to the predefined rules. This filter is placed at the c
Clients and Servers are dividing logical entities that work together over a network to accomplish a task. Many systems with very dissimilar architectures that are connected togethe
Q. Describe Physical Layer in OSI layers model? Physical Layer : Controls the transmission of the actual data onto the network. It describes the electrical signals, line state
To model a WAN, we need a graph in which the nodes model switches and the edges model direct join between switches. The modeling saves essence of network, and it ignores attached d
Gateway A gateway is an internetwork device which joins different network protocols together. It woods on all seven layers of OSI model. Gateways are also known as pro
How does dynamic host configuration protocol aid in network administration? Instead of having to visit every client computer to configure a static IP address, the network admin
Local information is immediate hop routing table and distance from every switch. The switches regularly broadcast topology information i.e. distance, destination. Other switches mo
Question : (a) List down and explain the different signal propagation behaviours that radio waves exhibit. (b) Explain the term Delay Spread with reference to signal propaga
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