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Q. What is Multimode Graded-Index Fiber?
- Ever since the core density decreases with distance from the centre the light beams refract into a curve
- Eliminates problem with a few of the signals penetrating the cladding and being lost
- As well signals intersect at regular intervals
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
Identify the 3 major functions at layer 3 of the OSI model Ans) Layer three explains the path, forwards the packet and executes software / logical addressing.
Discuss the interdependence of networking hardware and software. Is it possible to have one without the other? Explain
What is Ring Topology? The physical ring topology is a circular loop of point-to-point links. Every device connects directly to the ring or indirectly by and interface device o
Q. Electrical Characteristics of 9-Pin RS232 Connector? Electrical Characteristics - Single-ended One wire per signal and voltage levels are with respect to s
Network Devices a.Hub b.Repeater c.Bridge d.Gateway e.Switch f.Router Connecting devices can classified into networking and internetworking devices when
OSI Model Facts The OSI model classifies and organizes the methods that hosts perform to maintain data for transport across the network. You should be familiar with the OSI m
TOP Level Domain (TLD) Servers These servers are responsible for top level domains such as com org net edu, and going and all the country top level domains such a
Receipt of Acknowledgment In our GBN protocols an acknowledgment for packet with sequence number will be taken to be accumulative acknowledgment indicating that all packe
Explain how does IGRP work?
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