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Communication, Resource sharing and Media (When many host share their resources with every other OR when many devices connect with each other for resource sharing )
Explain ISO's OSI Architecture The Open System Interconnection (OSI) is a standard reference model for communication among two end users in a network. It is used in developing
Q. What are the trends in Network Security ? Trends in Network Security Improved vigilance for virus infections Continual maturation of firewall technologies
Question: a) In a wireless network where WEP is enforced as security mechanism, what procedure would the network manager adopt for changing WEP default keys. b) Using Pla
Q. Working of TCP - buffers? TCP - buffers Sending & receiving buffers - Processes don't consume data at the same speed Sending site: - White section: unfilled
10Base5 - Thicknet A rigid coaxial cable (RG-8) approx 0.4 in' thick used in the original Ethernet networks Bus topology LAN utilize base signalling with a maximum se
A carrier is frequency modulated with a sinusoidal signal of 2 kHz, resulting in a maximum frequency deviation of 5 kHz. (a) Find the bandwidth of the modulated signal (b) The ampl
Nonselective fading and Selective fading Nonselective fading, is a fading in which all frequency methods of the received signal fluctuate in the similar proportions simultaneo
Twisted Pair Cable Twisted pair cable consists of two insulated copper wires each about 1 mm thick arranged in a regular spiral pattern. The wires are twisted together
What is Protocol Data Unit? The data unit in the LLC level is known as the protocol data unit (PDU). The PDU having of four fields a destination service access point (DSAP), a
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