Provide three reasons for using a proxy server.

What will be an ideal response?


One reason for using a proxy server is to keep a Web server from knowing where the client computer is located. Another reason is for better performance, resulting from caching on the proxy server. The third reason is security, because some proxy servers inspect the contents, looking for inappropriate contents, viruses/malware, and so on.

Computer Science & Information Technology

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A(n) ________ is a notation that allows special characters to display in a Web page

Fill in the blank(s) with correct word

Computer Science & Information Technology

If the host on a network has the address 172.16.66.50/21, what is the subnet ID to which this host belongs?

A) 172.16.48.0 B) 172.16.56.0 C) 172.16.64.0 D) 172.16.72.0

Computer Science & Information Technology

Which keyboard shortcut selects the first field value in the first record when in Navigation Mode?

A. Tab B. Home + Up Arrow C. Up Arrow D. Ctrl+Home

Computer Science & Information Technology

In the straight selection sort algorithm, if we have a list of n elements we need ____ passes to completely rearrange the data.

A. n - 2 B. n - 1 C. n D. n + 1

Computer Science & Information Technology