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Firewalls
Firewalls emerged as a new technology in 1990s but its idea was present near two decades back. Historical context of "Firewall" is quite literal. It was in use to describe a barrier that separates a portion of a building dealing with fire, like a stove or a kitchen, from the rest of the structure. Later firewall found its use in connection with steam engines. It was described as a wall which separates an engine fire from passenger cars. Firewall ideas were greatly matured when Jeff Mogul from Digital Equipment Corporation published his papers in 1988 . His work described various processes that could be used to make networks secure. It was Marcus Ranum of AT&T Bell Laboratories who proposed the design of firewall and its components. He also coined the term "Firewall" for this quickly maturing technology. His work got much attention in 1990 and firewalls gained commercial popularity
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What is the major issue with hop count metric issue
Q. What is Sliding Window protocols? Alternatives: Sliding Window protocols - One task begins prior to the other one ends (concept of
UDP is connectionless, and does not give error checking. But remember, error checking can happen at other layers too.
Design Issues Of Interconnection Network Below are the issues, which must be considered when designing an interconnection network. 1) Size and Dimension of network: It m
There are two logical addressing :- a) Datalink is physical (hardware) addressing. b) Network is logical (software) addressing.
I have a larget text file of 1MB, how do i break down into chunks of packets to send over UDP? byte b[]=new byte[1024]; FileInputStream f=new FileInputStream("input.txt
I have a project on Information Communication Technology(I.C.T). So sir I want to know that what is internet? and how it works?
Given the address 172.16.2.120 and the subnet mask of 255.255.255.0. How many hosts are available? Ans) 172.16.2 120 is a standard Class B address with a subnet mask that permit
system files
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