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There are times when using packet filters makes sense. If the connections require high throughput or the protocols has proprietary technology that makes it not compatibles with other firewall technologies a packet filtering firewall might be in order. Although packet filters have limitations they also have the followings advantage over other firewall technologies.
a.Compatibility packet filters do not modify the packet stream so they works with any protocols.
b.Performance packet filters are very fast since they look only at the headers.
c.Scalability since packets filters are simple it is easy to scale the solution.
Shared variable programme structures In this section, we talk about some more concepts related to the shared programme. Concept of Lock Locks are used for protected a
Q. Describe Physical Layer in OSI layers model? Physical Layer : Controls the transmission of the actual data onto the network. It describes the electrical signals, line state
A communications channel is pathways over which information can be communicate. It may be described by a physical wire that connects communicating devices, or by a radio, laser, or
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Give the Description of security tools Software are coming up in which the user can select the kind of security measure required to be taken for encryption. One such example is
How does a Token-Passing Protocol works? The token-passing protocol relies on a control signal known as the token. A token is a 24-bit packet that circulates throughout the net
A socket is an abstraction that shows an endpoint of communication. Most applications that consciously use TCP and UDP do so by making a socket of the appropriate type and then per
Question: a) In route-optimized communication, a mobile node sends packets to a correspondent using the home address present in the destination option. Why does the design use
Question : a) In your view, what are the top three strengths and weaknesses of wireless systems? Rank them in order of priority. What can be done to address the weaknesses?
What are short, long and medium-term scheduling? Long term scheduler verifies which programs are admitted to the system for processing. It controls the degree of multiprogrammi
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