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State about the Packet filter firewalls
They remain the most common type of firewall in use as of today. They were the earliest firewalls developed and were capable of permitting or denying traffic based on certain simple field-level filters which could determine such things as source or destination packet address, or the protocol being used. The greatest advantage is that they are fast since they have minimum processor overheads, and are transparent as well as inexpensive. On the downside, they are not strong enough at the application level. This is because these firewalls work purely at the level of network layer, making them difficult to configure and manage effectively.
Most of the present day routers include capabilities of such firewalls as a standard feature in their system. This kind of packet filtering can be found in almost every major firewall available today.
State the difference between Byte streams and message Byte streams and message are different. In a message stream, network keeps track of the message boundaries. In a byte stre
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Interdepences of workstation hardware and software
Process to send data is called as encapsulation and process to receive data is called De-encapsulation.
What is difference between baseband and broadband transmission? In a baseband transmission, the whole bandwidth of the cable is consumed by a one signal. In broadband transmiss
what is the differnce between noise and distortion
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