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Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
Q. Explain about Traditional Modems? - Subsequent to modulation by the modem an analog signal reaches the telephone company switching station where it sampled and digitized to
Q. Define RS232 Interface? - Indicates the interface between DTE and DCE: V.28 mechanical as well as electrical characteristics V.24: functional as well as procedur
Hubs/Repeaters Hubs/Repeaters are used to connect together two or more network segments of any media type. In larger design, signal quality starts to deteriorate as segment exc
What is a DNS resource record? A resource record is an entry in a name server's database. There are various types of resource records used, containing name-to-address resolutio
IGRP is a distance vector routing protocol designed by Cisco. The maximum hop count is 255, and it uses a combination of variables to verify a composite metric. IGRP has an adminis
State the reason for Intranet system breaks down Care must be taken to ensure that proper spare parts are available even after about five years of commissioning. In addition t
What is Frequency borrowing In the simplest case, frequencies are taken from adjacent cells by congested cells. The frequencies can also be assigned to cells dynamically.
Design, develop and build network systems
Explain in brief -Ring Topolgy Comments 1 - A faulty connection amid two stations can cause network failure 2 - It's difficult to add a new station/device as it has to come betwe
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