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What are proxy servers and how do they protect computer networks?
Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without information of the correct IP address, even the physical location of the network can't be identified. Proxy servers can make a network virtually invisible to external users.
To stop Service Advertisements (SAPs) from flooding a network, Cisco routers do not forward them. How are services advertised to other networks? Ans) Every router builds its own
Q. Show the TCP/IP and OSI Similarities? TCP/IP and OSI Similarities - Both have Layers - Both have Application Layers - Have Comparable Transport and Network Layer
Can you describe RPC (Remote Procedure Calls)?
Connection Establishment TCP transmits data in full duplex mode. When two TCP is two machines are connected they are able to send segments to each other simultaneously. This
Describe what is meant by Asymmetric Multiprocessing (AMP)? Ans) It imposses hierarchy and a division of labour between processors. Only one designated processor, the master, co
Disadvantages You typically would not use a packet filter as your only security solution for your network packets filters have two major disadvantages. a. Low securit
Q. What do you mean by Modems? Telephone Modems - A telephone line has a bandwidth of approximately 2400 Hz for data transmission
Describe the literal meaning of the term Intranet The literal meaning of the term Intranet as given in various dictionaries is as follows: In' tra net - n. 1) A network
which are 5 major network services
Q. Show the Masking process? Masking Take out the address of the physical network from an IP address Used by routers inside the organization
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