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How many methods used to control traffic flowing into and out of the network by firewall?
Firewalls utilize one or more of three ways to control traffic flowing into and out of the network as given below:
1. Packet filtering: Packets i.e., small chunks of data are analyzed against a set of filters.
2. Packets which make this through the filters are sent to the requesting system and all others are rejected.
3. Proxy service: Information through the Internet is retrieved via the firewall and after that sent to the requesting system and as vice versa
4. Stateful inspection: A newer method which doesn't inspect the contents of each packet but in its place compares exact key parts of the packet to a database of trustable information.
Explain difference of Circuit switching versus Packet switching. Within circuit switching an end-to-end path is to be establishing before any data can be sent. Previously a con
Differentiate between Transport and Session layers of OSI model. OSI Model Transport Layer The transport layer utilizes the services provided through the network layer, as
Firewalls operate by Creening packets to/from the Network and give controllable filtering of network traffic.
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The CCITT standard bandwidth for speech is: (A) 20000 Hz (B) 15000 Hz (C) 7000 Hz (D) 3400 Hz Ans:
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Thread is a least unit of process. In process have one or more thread.
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