BIS 221 Week 3 Knowledge Check A ______________ connects two or more devices in a limited geographical region. WAN LAN MAN GAN __________________ offer a single point of entry to an entire community of affiliated interests. Affinity portals Industry-wide portals Mobile portals Corporate portals _________________ is the largest-volume application running over the Internet. Electronic bulletin boards Electronic chat rooms Web-based call centers E-mail Which is not a characteristic of GEO telecommunication satellites? Satellites remain stationary relative to point on earth Few satellites needed for global coverage Least expensive to build Longest orbital life Which is not a characteristic of mobile computing and wireless technology? No need for a PC Increasing prices Bandwidth improvement The cell phone culture Which of the following is not a radio-frequency identification technology? Java code RFID QR code Barcode Which is not a step to planning for effective worksheet design? Determine database security
 Format the numerical value in the worksheet Decide what input values are needed State the purpose of the worksheet The intersection of a column and row is a ____. formula cell function worksheet If a formula contains a direct or indirect reference to the cell containing the formula, a __________________ exists. mixed cell reference formula cell reference circular reference formatted reference