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Explain Fiber-Optics cable.
A cable with central glass tube covered with protective shield which transmit data using photons is fiber optics cable. These cables transmit data through concentrated bursts of laser beams which are carried by bundles of hair thin glass fibers. They have benefits over electronic cables in transmission speed and volume. This technology has revolutionized telecommunication applications which used electronic cables. Fiber optics cables as free from electro-magnetic interference as well as wire tapping.
INFANT MORTALITY PERIOD Initially there are a large number of failures, called initial failures or infant mortality. These failures are primarily due to manufacturing defects,
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802.11a OFDM a) Orthogonal frequency-division multiplexing utilizing a 5-GHz band b) Same as FDM except all sub bands are used by only one source at a given time c) Secu
What are proxy servers and how do they protect computer networks? Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without i
What is Telnet It is a protocol or set of rules that uses to connect one computer to another computer in network. It is also called as a remote login. The telnet operates on cl
S t d "B" 6.4 m Ku-BAND EARTH STATION (2004) D-Sat (District Satellite Project) circuits for rural connectivity via satellite are in operation. Purpose of this project i
What is virtual channel? Virtual channel is normally a connection from single source to one destination, although multicast connections are also allowed. The other name for vir
What is the difference between routable and non- routable protocols? Ans) Routable protocols can work with a router and can be used to build huge networks. Non-Routable protocol
Gigabit Ethernet Data rate of 1000 Mbps or else 1 Gbps Typically implemented as full-duplex with no CSMA/CD 1000Base-X utilizes long-wave optical fiber (1000Base-
For VOIP, first you need to consider the codec to use. Although there are many voice codecs, MyCo wants the safest bet and suggests that you design with the most known and oldest c
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