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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.
Q. Show the Function of Signals? - TD transmitted data - RD received data - DSR data set ready Indicate whether DCE is powered on - DTR signifies data termi
File servers are useful for sharing files through a network. With a file server, the client passes requests for file records over network to file server
Elaborate the term - Database Connectivity Basic connectivity A number of database management systems are available today such as the Oracle, Sybase, Ingres, etc. Most
Q. Show the process of Mail Delivery? Mail Delivery -Consists of three stages -First stage - email goes from user agent to local server, where it is stored until it ma
Explain Point-to-Point connection type. Many point-to-point connections are associated with modems and PSTN (Public Switched Telephone Network) communications.
Question: a) Briefly describe the purpose of Windows Powershell? b) Name three ways software can be installed on Linux? c) What is an interrupt request? d) As the
What is IPv6? IPv6, or Internet Protocol version 6, was developed to change IPv4. At present, IPv4 is being used to control internet traffic, butis expected to get saturated in
There is only an application layer which is closer to user and also gives many application which user directly linked.for ex:- web browser
Assume that the clock-driven scheme for generating starting sequence numbers is used with a 16-bit wide clock counter (that is, sequence numbers range from 0 to 2^16). The clock t
Qustion: Convert the binary number 10111100 to hexadecimal.
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