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briefly explain how firewalls protect networks
What is multiplexing and demultiplexing? Explain. Describe Time division, Frequency division and Wavelength division multiplexing. What is ADSL? How does it use multiplexi
Short for Internet Message Access Protocol. This is another most prevalent protocol of internet standard for email usage apart from POP. Usually all the modern email server and cli
Question The operational amplifier in the peak detector circuit shown in the figure below is powered from plus and minus 15 V. If Vout is at 1V and Vin is at 0.5V, at approxima
SONET SDH To satisfy the requirements of ever increasing data rate for diverse applications, ANS developed a standard known as synchronous optical network by utili
Q. Show the Congestion control in TCP? Congestion control in TCP TCP assumes that the cause of lost segment is due to congestion in the network Retransmission of
DNS - Protocol Attacks Generally, in the DNS protocol, flaws are based on the implementation issues. The three common issues are generally, associated which can be of one of t
How Does a Firewall Protect Firewalls work by controlling the information that comes in and out of the network. By using the Application Proxy service, the flow of information
What is LRC? In LRC, a block of bits is separated into rows and a redundant row of bits is added to the whole block. It can detect burst errors. If two bits in one data unit ar
Higher bandwidth Fibre optic cable an support dramatically higher bandwidths than either twisted pair or coaxial cable currently data rates and bandwidth utilizatio
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