A network protocol includes rules for: Select one: Select one: O a. message exchange timing O b. the type of connection used O c. all of these O d. the form of error detectionWhen your purchases are swiped over the bar-code reader at the point-of-sale terminals at a supermarket, a _____ records the data. Select one: Select one: Q a. enterprise resource planning system O b. transaction processing system O c. office automation system Q d. functionalarea information system 0 e. dashboard Data is broken into _ _ ___ to be transmitted over the Internet Select one: Select one: O a. messages O b. bytes O c. packets O d. bitsWhich of the following is an advantage of multi-tier server architectures? Select one: Select one: Q a. Lower network cost O b. Easier network monitoring 0 c. Better network load balancing Q d. Lower network complexity The information to be communicated in a data communications system is the: Select one: Select one: Q a. Message O b. Medium 0 c. Protocol O cl. Transmission Which of the following is an example of an 3-tier architecture? Select one: Select one: Q a. A smartphone accessing a home server using wi-fi O b. A computer accessing a webpage on a server which also accesses a database 0 c. A smartphone downloading an MP3 from a remote server Q d. A computer accessing a server to download data Under the advertising-subscription mixed revenue model... Select one: Select one: Q a. subscribers purchase products through an online catalog. O b. subscribers receive a portion of revenues from site advertising. O c. subscribers get to advertise their products on the website. 0 d. subscribers pay a fee and accept a (smaller) amount of advertising. The _____________ processes and sells independently collected data on consumer behaviour patterns Select one: Select one: Q a. Fee-for-service business model C) b. Infomediary business model C) c. Digital content revenue business model Q d. Sales revenue business model