The best option and the one who explains itself better is the first option <span>Megabits per second; because the independent quantity is time in seconds and dependent quantity is amount of data in megabits. In this case the dependent variable is the amount of data in megabits, something you can control, but time in seconds is indeed the independent variable.</span>
Answer:
Spyware
Explanation:
Spyware is a type of program that is installed with or without your permission on your personal computers to collect information about users, their computer or browsing habits tracks each and everything that you do without your knowledge and send it to remote user.
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<span>3G technologies support digital transmission for both voice and data.</span>
Answer:Packet and circuit switching
Explanation: Packet switching is the technique through which the data is sent from the source to destination in the form of data packets on dynamic path.It is the time of connectionless switching and route generates for each packet.
Circuit switching is the switching technique having connected path for the sending and receiving of the data.They have well defined and established path for the transmission of data.
Other options are incorrect because they define the terms that are associated with the data that gets transmitted like bandwidth,transmission rate ,packet etc. These options are not the way in which data transmitted or switched.Thus, the correct option is packet and circuit switching.