Correct Answer : All of the above
Explanation : The user session can be identified with the help of authenticating users, IP address, and user agent as well.
Explanation : All of the above options are responsible for a successful PPC advertisement.
Correct Answer : QS * Max CPC (bid)
Explanation : Google uses QS * Max CPC (bid) formula for assessing the actual CPC as when an advertisement gets clicked.
Correct Answer : Advertising cost ($) / Ads clicked (#)
Explanation : The basic formula of pay-per-click is Advertising cost ($) / Ads clicked (#).