Network Topologies
Specify various topologies for the networks?
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a) BUS topology:
Within this topology, each computer is connected to the primary network cable in the single line.
Advantages:
a) It is quite inexpensive,b) It can be easily installed, c) It is simple to understand, d) It can easily extended.b) STAR topology:
In this topology, all the systems are connected through the central hub.
a) It may be inexpensive, b) We can easily install and configure it.c) All the physical problems can easily be trouble shooted.c) RING topology:
Within this topology, all systems are connected within the loop.
a) All systems have the equal access to network media, b) Simple Installation, and c) Signal does not degrade as much as in other topologies as each computer regenerates it.
Describe in brief the responsibilities of Network layer?
Difference between Switch & Hub: Switch: Switches functions at Layer 2 Data Link Layer Forward / Filter decision using MAC address Loop Avoidance Address Learning Break-up collision domains
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What do you mean by the term Digrams and Trigrams?
MAC address: It is the address for a device as it is recognized at the Media Access Control (abbreviated as MAC) layer in the network architecture. The MAC address is generally stored in ROM on the network adapter card and is exclusive.
Write down a short note on the Frequency Division Multiple Access?
Cost factor: Cost factor signifies it greatly decreases the cost as the resources can be shared.
Explain what is meant by the exponential growth of congestion window?
Briefly describe the configuration of 4 + 4 + 4?
What is the difference between sparse mode and dense mode multicast?
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