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At the Physical layer of the OSI model Repeaters work by regenerating the signal to extend the distance it can travel.
Radio Waves - Frequency ranges: 3 KHz to 1 GHz - Omni directional - Susceptible to interference by other antennas utilizing same frequency or band - Ideal for long-di
OSI= Open System Interconnection.
Explain the Physical layer The Physical layer of the OSI model sets standards for sending and receiving electrical signals among devices. It explains how digital data (bits) ar
What is DNS? DNS is Domain Name System. The major function of this network service is to provide host names to TCP/IP address resolution.
data network design with live examples
Explain the uses of Firewall in computer For Intranet developers, restricting access of unauthorised users to the Web site has been the greatest challenge. In addition to preve
Parallel Balance Point In order to implement a parallel algorithm on a parallel computer, K number of processors is needed. It may be noted that the given input is assigned to
What are firewalls? Firewalls serve to protect an internal network from external attacks. These external threats can be hackers who need to steal data or computer viruses that
What is a Multiplexor
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