/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: JzsefHoffmann https://cdn.slidesharecdn.com/profile-photo-JzsefHoffmann-48x48.jpg?cb=1523007905 2G/3G/4G voice/data/mrab - drivetest/benchmark/engineering/e2eKPI. Competitor tracking and analysis. BigData, SQL.