They can be used to just copy/paste e-mailed information without writing down on a paper and losing valuable time. This is one example.
The answer is A. Client request and receive files to and from a server.
Out of the following, the only one that I see is not the basic role of a webmaster is replying to customers questions about the web site! Usually they have a specific job for that; like customer service etc. Hopefully that helps.
Answer:IP is internet protocol, every router has one some routers are dynamic which means they change everything the router reboots and some routers are static which means you would have to call your isp(Internet Service Provider) to get it changed.
Explanation: I do illegal things :)
00110001 00110100 00110000
