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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.
Process communicating End systems communicate with each other by the processes. A process can be thought of a s program that is running within end systems. Process
Tree interconnection network Tree interconnection network(TIN)), processors are organized in a whole binary tree pattern.
Which of the following commands will display the current print jobs on a printer named Office Printer 01?
Q. Show the properties of Microwaves? Microwaves - Frequencies among 1 and 300 GHz - Unidirectional - Narrow focus requires sending as well as receiving antennas to
Control Frame: solicit_successor Periodically ask for any station to link by sending solicit_successor Token with sender's addr and successor's addr wait 2 (as in
Router#
The address recorded by a router should be its outgoing interface. That is, if a router forwards a datagram that has the record route option enabled, and if the datagram arrives at
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
TCP is connection-oriented. Connection-oriented is a kind of connection established between the source & destination machines before any data is sent that means a connection is est
Ring: It is a simple linear array where end nodes are associated. It is equal to a mesh with wrap around connections. The data transfer in a ring is generally one direction. So,
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