Which of the following is not a primary source of ad fraud? r ogramu browser extensions that insert ads into a premium publisher's website and then list the ads as avallab ad targeting firms that create bots that imitate the behavior of real shoppers and then chardvertisers botnets hired by publishers to click on web pages to create phony traffic native advertising that is displayed on a social media site Question 29 Conversion rate is a measure of the: percentage of visitors who indicate an interest in a site's products by registering or visiting a product's pages. percentage of visitors who become customers. percentage of existing customers who continue to buy on a regular basis. percentage of shoppers who do not return within a year after their initial purchase. Question 30 Acquisition rate is a measure of the: percentage of visitors who indicate an interest in a site's products by registering or visiting a product's pages. percentage of visitors who become customers. percentage of existing customers who continue to buy on a regular basis. percentage of Shoppers who do not return within a year after their initial purchase. Question 25 An ad is considered vlewable if half of the ad can be viewed for at least five consecutive second True False Question 26 All of the following are among those most frequently affected by ad-blocking except: e gaming sites newsgroup/forums. social network sites, online retailers. Question 27 eCPM measures the ROI of an ad by dividing the total earnings of the ad by which of the following? the total number of impressions the total number of impressions in hundreds the total number of impressions in thousands the total number of Impressions in millions