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Firewalls
After several security related internet newsgroups started overflowing with posts it becomes clear something hand to done to help secure networks. The first firewalls were implemented in routers between different segment s of the network. These firewalls were basically ACLs in routers.
Slowly firewall technology started to evolve. Early firewall technology known as packet filtering was not enough to stop the constant attacks. The firewall had to more intelligent and understand the different protocols.
What the Semantic Web is? Ans) The Semantic Web is a vision, that thinks to join together dispersed bits of data on the internet, very much like web pages are presently joined
Subscriber Database Core network also hosts the subscribers database ( for e, g HLR in GSM systems). Subscriber database is accessed by core network nodes fro funct
assignment is for incident response In this final week, you will provide a short procedures document (2–3 pages) concerning the steps by which to prepare for and execute expert te
Protocol Layers and their Service Models The internet is an extremely complicated system. It consists of many pieces like numerous applications and protocols various t
Thus now you know how packets travel from one computer to another computer over the Internet. however what's in-between? What in fact makes up the Internet infrastructure or backbo
What are the data units at different layers of the TCP / IP protocol suite? The data unit formed at the application layer is known as a message, at the transport layer the data
define protocol
Explain the building blocks of Client/Server? The client side building block runs the client side of the application. The server side building block runs the server side of
different framing methods
What is Stop-and-Wait Protocol? In Stop and wait protocol, sender sends single frame, waits unless it receives confirmation from the receiver (okay to go ahead), and then sends
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