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What is Proxy Sever and Firewall
Proxy Sever
Also known as a proxy or application level gateway. It is an application that breaks the connection among sender and receiver. Thus, it helps us to stop hacker from getting Internet address and detail of a private network.
Firewall
Firewall is a method for keeping a network secure. It is mainly used in giving user's access to the Internet in a secure fashion as well as to separate a company's public web server from its internal network.
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What are the key design issues of a computer Network? a. Connectivity b. Cost-effective Resource Sharing c. Support for common Services d. Performance
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Question Approximately what is the low frequency cut-off of the band-pass filter shown in the figure?
8088 pin diagram
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