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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 states and encoding of the data and the connector types used. An illustration is 10BaseT.
What are the Data link protocols? Data link protocols are sets of specifications used to implement the data link layer. The categories of Data Link protocols are 1. Asynchro
Tree topology Comments 1 - This features star nodes on a bus network 2 - All the disadvantages and advantages of both types of networks described above apply to this s
How is NAT executed
How an Ethernet Worked? The operation of Ethernet can be explained in simple terms as follows: Each computer on the Ethernet Network, also called as a node, operates indepen
what are the categories of LAN
WAN -Wide Area Network
PHYSICAL ADDRESSING IN A WAN: The physical addressing in a WAN is same as in LAN in the following way: The data is send in packets equivalent to frames. Every pack
Question 1: (a) Explain what is meant by circuit switching? Give its main shortcoming and explain its relevance in telephone systems. (b) Outline the differences betwee
explain history of internet?
Reliability is the probability of success ; where success is defined as compliance to specified requirements. A system or an item is considered reliable if it performs satisfactori
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